{"id":3368,"date":"2024-06-18T08:24:51","date_gmt":"2024-06-18T01:24:51","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=3368"},"modified":"2026-07-05T20:52:34","modified_gmt":"2026-07-05T13:52:34","slug":"hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3","title":{"rendered":"H\u00f3a Ch\u1ea5t FeCl3: L\u00e0 G\u00ec, T\u00ednh Ch\u1ea5t, \u1ee8ng D\u1ee5ng V\u00e0 N\u01a1i Mua FeCl3"},"content":{"rendered":"<p>FeCl3 (S\u1eaft (III) Clorua), c\u00f2n g\u1ecdi l\u00e0 <strong data-start=\"507\" data-end=\"526\">Ferric Chloride<\/strong>, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 quan tr\u1ecdng c\u00f3 m\u00e3 <strong data-start=\"567\" data-end=\"584\">CAS 7705\u201308\u20130<\/strong>. H\u00f3a ch\u1ea5t n\u00e0y <strong data-start=\"599\" data-end=\"670\">c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in,<\/strong> v\u00e0 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nh\u1edd t\u00ednh ch\u1ea5t <strong data-start=\"717\" data-end=\"776\">keo t\u1ee5, oxy h\u00f3a m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng h\u00f2a tan t\u1ed1t trong n\u01b0\u1edbc<\/strong>.<\/p><p>FeCl3 t\u1ed3n t\u1ea1i \u1edf <strong data-start=\"797\" data-end=\"849\">d\u1ea1ng khan (n\u00e2u \u0111en) v\u00e0 d\u1ea1ng ng\u1eadm n\u01b0\u1edbc (v\u00e0ng n\u00e2u)<\/strong>, m\u1ed7i d\u1ea1ng c\u00f3 \u1ee9ng d\u1ee5ng ri\u00eang bi\u1ec7t trong th\u1ef1c t\u1ebf.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Hoa_chat_FeCl3_la_gi\" title=\"H\u00f3a ch\u1ea5t FeCl3 l\u00e0 g\u00ec?\">H\u00f3a ch\u1ea5t FeCl3 l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Cac_ten_goi_khac_cua_FeCl3\" title=\"C\u00e1c t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a FeCl3\">C\u00e1c t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a FeCl3<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Dac_diem_tinh_chat_cua_hoa_chat_FeCl3\" title=\"\u0110\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t c\u1ee7a h\u00f3a ch\u1ea5t FeCl3\">\u0110\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t c\u1ee7a h\u00f3a ch\u1ea5t FeCl3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Tinh_chat_vat_ly_FeCl3\" title=\"T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl3\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Tinh_chat_hoa_hoc_hoa_chat_FeCl3\" title=\"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc h\u00f3a ch\u1ea5t FeCl3\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc h\u00f3a ch\u1ea5t FeCl3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Ung_dung_noi_bat_cua_FeCl3_trong_nganh_cong_nghiep\" title=\"\u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a FeCl3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.\">\u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a FeCl3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Dieu_che_Hoa_Chat_FeCl3_bang_cach_nao\" title=\"\u0110i\u1ec1u ch\u1ebf H\u00f3a Ch\u1ea5t FeCl3 b\u1eb1ng c\u00e1ch n\u00e0o?\">\u0110i\u1ec1u ch\u1ebf H\u00f3a Ch\u1ea5t FeCl3 b\u1eb1ng c\u00e1ch n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Bao_quan_FeCl3\" title=\"B\u1ea3o qu\u1ea3n FeCl3:\">B\u1ea3o qu\u1ea3n FeCl3:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Luu_y_an_toan_khi_su_dung_FeCl3\" title=\"L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng FeCl3:\">L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng FeCl3:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_co_doc_khong\" title=\"FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng?\">FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Tim_noi_mua_ban_hoa_chat_FeCl3_uy_tin_%E2%80%93_chat_luong\" title=\"T\u00ecm n\u01a1i mua b\u00e1n h\u00f3a ch\u1ea5t FeCl3 uy t\u00edn \u2013 ch\u1ea5t l\u01b0\u1ee3ng.\">T\u00ecm n\u01a1i mua b\u00e1n h\u00f3a ch\u1ea5t FeCl3 uy t\u00edn \u2013 ch\u1ea5t l\u01b0\u1ee3ng.<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Tai_sao_FeCl3_duoc_su_dung_thay_the_cho_cac_chat_keo_tu_khac_trong_xu_ly_nuoc_thai\" title=\"T\u1ea1i sao FeCl3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho c\u00e1c ch\u1ea5t keo t\u1ee5 kh\u00e1c trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i?\">T\u1ea1i sao FeCl3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho c\u00e1c ch\u1ea5t keo t\u1ee5 kh\u00e1c trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_co_tac_dung_trong_san_xuat_thep_khong_gi_va_kim_loai_khong\" title=\"FeCl3 c\u00f3 t\u00e1c d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i kh\u00f4ng?\">FeCl3 c\u00f3 t\u00e1c d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_co_anh_huong_den_suc_khoe_con_nguoi_khi_tiep_xuc_lau_dai_khong\" title=\"FeCl3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i kh\u00f4ng?\">FeCl3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_co_tac_dong_gi_den_moi_truong_khi_bi_thai_ra_ngoai\" title=\"FeCl3 c\u00f3 t\u00e1c \u0111\u1ed9ng g\u00ec \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng khi b\u1ecb th\u1ea3i ra ngo\u00e0i?\">FeCl3 c\u00f3 t\u00e1c \u0111\u1ed9ng g\u00ec \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng khi b\u1ecb th\u1ea3i ra ngo\u00e0i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_co_the_thay_the_bang_hoa_chat_nao_trong_cac_ung_dung_cong_nghiep\" title=\"FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng h\u00f3a ch\u1ea5t n\u00e0o trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p?\">FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng h\u00f3a ch\u1ea5t n\u00e0o trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Thong_so_ky_thuat_dung_dich_FeCl3_40\" title=\"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt dung d\u1ecbch FeCl3 40%\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt dung d\u1ecbch FeCl3 40%<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Ung_dung_dung_dich_FeCl3_40_trong_cong_nghiep\" title=\"\u1ee8ng d\u1ee5ng dung d\u1ecbch FeCl3 40% trong c\u00f4ng nghi\u1ec7p\">\u1ee8ng d\u1ee5ng dung d\u1ecbch FeCl3 40% trong c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#FeCl3_38_hay_40_Lua_chon_nao_phu_hop\" title=\"FeCl3 38% hay 40%: L\u1ef1a ch\u1ecdn n\u00e0o ph\u00f9 h\u1ee3p?\">FeCl3 38% hay 40%: L\u1ef1a ch\u1ecdn n\u00e0o ph\u00f9 h\u1ee3p?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Huong_dan_su_dung_va_lieu_dung_FeCl3_40_thuc_te\" title=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 li\u1ec1u d\u00f9ng FeCl3 40% th\u1ef1c t\u1ebf\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 li\u1ec1u d\u00f9ng FeCl3 40% th\u1ef1c t\u1ebf<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/#Huong_dan_pha_loang_tu_dung_dich_long_FeCl3_40\" title=\"H\u01b0\u1edbng d\u1eabn pha lo\u00e3ng t\u1eeb dung d\u1ecbch l\u1ecfng FeCl3 40%\">H\u01b0\u1edbng d\u1eabn pha lo\u00e3ng t\u1eeb dung d\u1ecbch l\u1ecfng FeCl3 40%<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hoa_chat_FeCl3_la_gi\"><\/span>H\u00f3a ch\u1ea5t FeCl3 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>FeCl3 l\u00e0 g\u00ec? <\/strong>\u0110\u00e2y l\u00e0 h\u00f3a ch\u1ea5t h\u00e0ng \u0111\u1ea7u trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 c\u00f3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1edd \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc \u01b0u vi\u1ec7t. FeCl3 <strong data-start=\"1269\" data-end=\"1311\">c\u00f3 m\u00e0u s\u1eafc thay \u0111\u1ed5i theo d\u1ea1ng t\u1ed3n t\u1ea1i:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong data-start=\"1316\" data-end=\"1330\">D\u1ea1ng khan:<\/strong> M\u00e0u <strong data-start=\"1335\" data-end=\"1346\">n\u00e2u \u0111en<\/strong>, d\u1ec5 h\u00fat \u1ea9m.<\/li>\n\n<li><strong data-start=\"1363\" data-end=\"1382\">D\u1ea1ng ng\u1eadm n\u01b0\u1edbc:<\/strong> M\u00e0u <strong data-start=\"1387\" data-end=\"1408\">v\u00e0ng n\u00e2u ho\u1eb7c cam<\/strong>, c\u00f3 t\u00ednh h\u00fat \u1ea9m m\u1ea1nh.<\/li>\n\n<li><strong data-start=\"1435\" data-end=\"1455\">Dung d\u1ecbch FeCl3:<\/strong> M\u00e0u <strong data-start=\"1460\" data-end=\"1482\">v\u00e0ng n\u00e2u \u0111\u1eb7c tr\u01b0ng<\/strong> khi h\u00f2a tan trong n\u01b0\u1edbc.<\/li>\n\n<li><strong data-start=\"1511\" data-end=\"1544\">Khi ph\u1ea3n \u1ee9ng v\u1edbi ki\u1ec1m (NaOH):<\/strong> T\u1ea1o k\u1ebft t\u1ee7a <strong data-start=\"1557\" data-end=\"1579\">Fe(OH)3 m\u00e0u n\u00e2u \u0111\u1ecf<\/strong>.<\/li><\/ul><p>\ud83d\udca1 <strong data-start=\"1585\" data-end=\"1595\">L\u01b0u \u00fd:<\/strong> M\u00e0u s\u1eafc c\u1ee7a FeCl3 gi\u00fap d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi FeCl2 (m\u00e0u xanh r\u00eau).<\/p><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_ten_goi_khac_cua_FeCl3\"><\/span>C\u00e1c t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a FeCl3<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li>Iron(III) chloride<\/li>\n\n<li>Ph\u00e8n s\u1eaft 3<\/li>\n\n<li>Ferric Chloride<\/li>\n\n<li>Feric Clorua<\/li>\n\n<li>Ph\u00e8n S\u1eaft (III) Clorua FeCl\u2083 40%<\/li>\n\n<li>FeCl3 96%<\/li><\/ul><p>\nH\u00f3a ch\u1ea5t FeCl3 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i m\u00e0 c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c nh\u1edd t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3.\n\n<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/fecl3-40-1.jpg\" alt=\"H\u00f3a Ch\u1ea5t FeCl3: L\u00e0 G\u00ec, T\u00ednh Ch\u1ea5t, \u1ee8ng D\u1ee5ng V\u00e0 N\u01a1i Mua FeCl3\" class=\"wp-image-3318 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/fecl3-40-1.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/fecl3-40-1-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dac_diem_tinh_chat_cua_hoa_chat_FeCl3\"><\/span><strong>\u0110\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t c\u1ee7a h\u00f3a ch\u1ea5t FeCl3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\n\u0110\u1eb7c \u0111i\u1ec3m h\u00f3a ch\u1ea5t FeCl3 g\u1ed3m d\u1ea1ng khan v\u00e0 d\u1ea1ng ng\u1eadm n\u01b0\u1edbc:\n<\/p><ul class=\"wp-block-list\"><li><strong>D\u1ea1ng khan<\/strong>: Ch\u1ea5t r\u1eafn m\u00e0u n\u00e2u \u0111en, v\u1ea3y tinh th\u1ec3, c\u00f3 m\u00f9i kh\u00f3i axit nh\u1eb9 do ph\u1ea3n \u1ee9ng v\u1edbi h\u01a1i n\u01b0\u1edbc t\u1ea1o axit HCl.<\/li>\n\n<li><strong>D\u1ea1ng ng\u1eadm n\u01b0\u1edbc<\/strong>: M\u00e0u v\u00e0ng n\u00e2u ho\u1eb7c cam, h\u00ecnh phi\u1ebfn s\u00e1u m\u1eb7t, tan trong n\u01b0\u1edbc t\u1ecfa nhi\u1ec7t m\u1ea1nh.<\/li><\/ul><p><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl3<\/strong>:\n<\/p><ul class=\"wp-block-list\"><li><strong data-start=\"2616\" data-end=\"2635\">\u0110i\u1ec3m n\u00f3ng ch\u1ea3y:<\/strong> 306\u00b0C (khan), 37\u00b0C (ng\u1eadm n\u01b0\u1edbc).<\/li>\n\n<li><strong data-start=\"2672\" data-end=\"2685\">\u0110i\u1ec3m s\u00f4i:<\/strong> 315\u00b0C.<\/li>\n\n<li><strong data-start=\"2697\" data-end=\"2716\">Kh\u1ed1i l\u01b0\u1ee3ng mol:<\/strong> 162.2 g\/mol (khan), 270.3 g\/mol (ng\u1eadm n\u01b0\u1edbc).<\/li>\n\n<li><strong data-start=\"2766\" data-end=\"2787\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang:<\/strong> 2.898 g\/cm\u00b3 (khan), 1.82 g\/cm\u00b3 (ng\u1eadm n\u01b0\u1edbc).<\/li>\n\n<li><strong data-start=\"2836\" data-end=\"2854\">Tan t\u1ed1t trong:<\/strong> N\u01b0\u1edbc, ethanol, glycerin, methanol, acetone.<\/li><\/ul><p><strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc FeCl3<\/strong>:\n<\/p><ul class=\"wp-block-list\"><li><strong>Ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc:<\/strong> T\u1ea1o dung d\u1ecbch c\u00f3 t\u00ednh axit m\u1ea1nh, m\u00e0u v\u00e0ng n\u00e2u.<\/li>\n\n<li><strong>T\u00ednh oxy h\u00f3a:<\/strong> D\u1ec5 oxy h\u00f3a kim lo\u1ea1i y\u1ebfu h\u01a1n nh\u01b0 \u0111\u1ed3ng, t\u1ea1o FeCl2 v\u00e0 CuCl2.<ul class=\"wp-block-list\"><li><span class=\"base\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mord\">3<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">C<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mord\">2<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">C<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mord\">2<\/span><\/span><\/li><\/ul><\/li>\n\n<li>D\u1ec5 h\u00fat \u1ea9m v\u00e0 sinh kh\u00f3i \u0111\u1ed9c khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<\/li>\n\n<li>FeCl3 l\u00e0 <strong style=\"color: #555555;\" data-start=\"1954\" data-end=\"1967\">mu\u1ed1i axit<\/strong><span style=\"color: #555555;\"> do c\u00f3 kh\u1ea3 n\u0103ng th\u1ee7y ph\u00e2n trong n\u01b0\u1edbc t\u1ea1o <\/span><strong style=\"color: #555555;\" data-start=\"2008\" data-end=\"2021\">axit m\u1ea1nh<\/strong><span style=\"color: #555555;\">:<\/span><ul class=\"wp-block-list\"><li><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mord\">3<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">3<\/span><span class=\"mord\"><span class=\"mord mathnormal\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mclose\">)<span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">3<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mord mathnormal\">Cl<\/span><\/span><\/li>\n\n<li>\ud83d\udca1 <strong style=\"color: #555555;\" data-start=\"2066\" data-end=\"2104\">Dung d\u1ecbch FeCl3 c\u00f3 pH t\u1eeb 2.5 &#8211; 3.5<\/strong><span style=\"color: #555555;\">, ch\u1ee9ng t\u1ecf t\u00ednh <\/span><strong style=\"color: #555555;\" data-start=\"2120\" data-end=\"2133\">axit m\u1ea1nh<\/strong><span style=\"color: #555555;\">. Do \u0111\u00f3, FeCl3 kh\u00f4ng ph\u1ea3i <\/span><strong style=\"color: #555555;\" data-start=\"2159\" data-end=\"2167\">baz\u01a1<\/strong><span style=\"color: #555555;\"> m\u00e0 thu\u1ed9c nh\u00f3m <\/span><strong style=\"color: #555555;\" data-start=\"2182\" data-end=\"2203\">mu\u1ed1i c\u00f3 t\u00ednh axit<\/strong><span style=\"color: #555555;\">.<\/span><\/li><\/ul><\/li>\n\n<li><strong data-start=\"3094\" data-end=\"3116\">Ph\u1ea3n \u1ee9ng v\u1edbi ki\u1ec1m:<\/strong><ul class=\"wp-block-list\"><li><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mord\">3<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">3<\/span><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mclose\">)<\/span><span class=\"mord\">3<\/span><span class=\"mrel\">\u2193<\/span><\/span><span class=\"base\"><span class=\"mord\">+<\/span><span class=\"mord\">3<\/span><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord mathnormal\">Cl<\/span><\/span><\/li><\/ul><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_FeCl3\"><\/span><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0 306\u00b0C (khan) v\u00e0 37 \u00b0C (ng\u1eadm 6 n\u01b0\u1edbc)<\/li>\n\n<li>Kh\u1ed1i l\u01b0\u1ee3ng mol l\u00e0 162.2 g\/mol (khan) v\u00e0 270.3 g\/mol (ng\u1eadm 6 n\u01b0\u1edbc)<\/li>\n\n<li>Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang l\u00e0 2.898 g\/cm3 (khan) v\u00e0 1.82 g\/cm3 (ng\u1eadm 6 n\u01b0\u1edbc)<\/li>\n\n<li>\u0110i\u1ec3m s\u00f4i: 315\u00b0C (khan).<\/li>\n\n<li>Tan t\u1ed1t trong dung m\u00f4i ph\u00e2n c\u1ef1c nh\u01b0 ethanol, methanol, v\u00e0 acetone.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_hoa_chat_FeCl3\"><\/span><strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc h\u00f3a ch\u1ea5t FeCl3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc: FeCl3 l\u00e0 ch\u1ea5t d\u1ec5 tan trong n\u01b0\u1edbc, t\u1ea1o th\u00e0nh dung d\u1ecbch c\u00f3 t\u00ednh axit m\u1ea1nh nh\u1edd qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n, minh ch\u1ee9ng qua ph\u1ea3n \u1ee9ng:<ul class=\"wp-block-list\"><li><strong>FeCl3 + 3H2O -> Fe(OH)3 + 3HCl<\/strong><\/li>\n\n<li><span style=\"color: #0000ff;\"><em>Dung d\u1ecbch n\u00e0y c\u00f3 m\u00e0u v\u00e0ng n\u00e2u \u0111\u1eb7c tr\u01b0ng.<\/em><\/span><\/li><\/ul><\/li><\/ul><p><em>B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 <strong><a href=\"https:\/\/hoachatlocthien.com\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/\" target=\"_new\" rel=\"noopener\">FeCl2 v\u00e0 FeCl3 c\u00f3 m\u00e0u g\u00ec<\/a><\/strong> \u0111\u1ec3 ph\u00e2n bi\u1ec7t hai h\u1ee3p ch\u1ea5t n\u00e0y trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/em><\/p><ul class=\"wp-block-list\"><li>Ph\u1ea3n \u1ee9ng v\u1edbi ki\u1ec1m (NaOH): T\u1ea1o th\u00e0nh s\u1eaft(III) hydroxide v\u00e0 mu\u1ed1i \u0103n:<ul class=\"wp-block-list\"><li><strong>FeCl3 + 3NaOH -> Fe(OH)3 + 3NaCL<\/strong><\/li>\n\n<li><span style=\"color: #0000ff;\"><em>S\u1eaft(III) hydroxide k\u1ebft t\u1ee7a c\u00f3 m\u00e0u n\u00e2u \u0111\u1ecf.<\/em><\/span><\/li><\/ul><\/li>\n\n<li>Oxy h\u00f3a kim lo\u1ea1i: FeCl3 c\u00f3 t\u00ednh ch\u1ea5t oxy h\u00f3a m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 oxy h\u00f3a c\u00e1c kim lo\u1ea1i y\u1ebfu h\u01a1n nh\u01b0 \u0111\u1ed3ng:<ul class=\"wp-block-list\"><li><strong>2FeCL3 + Cu -> 2FeCl2 + CuCl2<\/strong><\/li><\/ul><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_dung_noi_bat_cua_FeCl3_trong_nganh_cong_nghiep\"><\/span><strong>\u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a FeCl3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li>\u1ee8ng d\u1ee5ng FeCl3 trong c\u00f4ng nghi\u1ec7p bao g\u1ed3m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in, v\u00e0 x\u1eed l\u00fd kh\u00ed th\u1ea3i, minh ch\u1ee9ng cho t\u00ednh \u0111a n\u0103ng c\u1ee7a h\u1ee3p ch\u1ea5t n\u00e0y:<ul class=\"wp-block-list\"><li><strong>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong>: L\u00e0 ch\u1ea5t keo t\u1ee5\u00a0trong <strong><a href=\"https:\/\/hoachatlocthien.com\/hoa-chat-xu-ly-nuoc\/\" target=\"_new\" rel=\"noopener\">h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/a><\/strong> gi\u00fap lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng, phosphate v\u00e0 ch\u1ea5t l\u01a1 l\u1eedng. FeCl3 c\u0169ng t\u1ea1o b\u00f4ng b\u1ec1n, l\u00e0m n\u01b0\u1edbc trong su\u1ed1t h\u01a1n, ph\u00f9 h\u1ee3p cho n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb v\u00e0 c\u00f4ng nghi\u1ec7p.<\/li>\n\n<li><strong>C\u00f4ng ngh\u1ec7 x\u1eed l\u00fd b\u00f9n th\u1ea3i<\/strong>: Lo\u1ea1i b\u1ecf n\u01b0\u1edbc kh\u1ecfi b\u00f9n, gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng c\u1ea7n x\u1eed l\u00fd.<\/li>\n\n<li><strong>S\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t kh\u1eafc axit \u0111\u1ec3 t\u1ea1o c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n.<\/li>\n\n<li><strong>D\u01b0\u1ee3c ph\u1ea9m v\u00e0 y h\u1ecdc<\/strong>: D\u00f9ng l\u00e0m ch\u1ea5t l\u00e0m se v\u1ebft th\u01b0\u01a1ng, h\u1ed7 tr\u1ee3 ki\u1ec3m so\u00e1t ch\u1ea3y m\u00e1u v\u00e0 gi\u00fap s\u1ea1ch v\u1ebft th\u01b0\u01a1ng.<\/li>\n\n<li><strong>Ng\u00e0nh nhu\u1ed9m<\/strong>: C\u1ed1 \u0111\u1ecbnh m\u00e0u s\u1eafc v\u00e0 x\u1eed l\u00fd t\u1ea1p ch\u1ea5t tr\u00ean v\u1ea3i.<\/li>\n\n<li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u00f4m<\/strong>: Lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li>\n\n<li><strong>S\u1ea3n xu\u1ea5t thu\u1ed1c tr\u1eeb s\u00e2u<\/strong>: L\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li><\/ul><\/li>\n\n<li>L\u00e0 ch\u1ea5t \u0103n m\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh kh\u1eafc axit \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u00ean b\u1ea3ng m\u1ea1ch in. FeCl3 \u0103n m\u00f2n \u0111\u1ed3ng, gi\u00fap t\u1ea1o ra c\u00e1c m\u1eabu m\u1ea1ch c\u1ea7n thi\u1ebft.<\/li>\n\n<li>FeCl3 d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd b\u00f9n th\u1ea3i c\u00f4ng nghi\u1ec7p, gi\u00fap t\u00e1ch n\u01b0\u1edbc kh\u1ecfi b\u00f9n v\u00e0 gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng b\u00f9n th\u1ea3i c\u1ea7n x\u1eed l\u00fd. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do <strong><a href=\"https:\/\/hoachatlocthien.com\/sat-clorua-fecl2-fecl3\/\" target=\"_new\" rel=\"noopener\">mua mu\u1ed1i s\u1eaft Clorua<\/a><\/strong> lu\u00f4n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u c\u1ee7a c\u00e1c doanh nghi\u1ec7p trong ng\u00e0nh c\u00f4ng nghi\u1ec7p x\u1eed l\u00fd n\u01b0\u1edbc.<\/li>\n\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c kim lo\u1ea1i n\u1eb7ng v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c t\u1eeb n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/li>\n\n<li>Trong d\u01b0\u1ee3c ph\u1ea9m FeCl3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 d\u01b0\u1ee3c ph\u1ea9m v\u00e0 h\u00f3a ch\u1ea5t y t\u1ebf.<\/li>\n\n<li>S\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p nhu\u1ed9m \u0111\u1ec3 t\u1ea1o m\u00e0u v\u00e0 c\u1ed1 \u0111\u1ecbnh m\u00e0u tr\u00ean v\u1ea3i.<\/li>\n\n<li>S\u1ea3n xu\u1ea5t s\u01a1n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u00e0u s\u1eafc v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a s\u01a1n.<\/li>\n\n<li>FeCl3 c\u00f3 th\u1ec3 x\u1eed l\u00fd kh\u00ed th\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m t\u1eeb kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/FeCl3-40-1-1.jpg\" alt=\"H\u00f3a Ch\u1ea5t FeCl3: L\u00e0 G\u00ec, T\u00ednh Ch\u1ea5t, \u1ee8ng D\u1ee5ng V\u00e0 N\u01a1i Mua FeCl3\" class=\"wp-image-3319 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/FeCl3-40-1-1.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/03\/FeCl3-40-1-1-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dieu_che_Hoa_Chat_FeCl3_bang_cach_nao\"><\/span><strong>\u0110i\u1ec1u ch\u1ebf H\u00f3a Ch\u1ea5t FeCl3 b\u1eb1ng c\u00e1ch n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Chu\u1ea9n b\u1ecb thi\u1ebft b\u1ecb v\u00e0 h\u00f3a ch\u1ea5t<\/strong><ul class=\"wp-block-list\"><li>FeCl3 b\u1ed9t<\/li>\n\n<li>N\u01b0\u1edbc c\u1ea5t<\/li>\n\n<li>B\u00ecnh \u0111\u1ef1ng<\/li>\n\n<li>\u0110\u1ed3 \u0111o l\u01b0\u1eddng<\/li>\n\n<li>K\u00ednh b\u1ea3o h\u1ed9<\/li>\n\n<li>G\u0103ng tay h\u00f3a h\u1ecdc<\/li>\n\n<li>\u00c1o kho\u00e1c b\u1ea3o h\u1ed9<\/li><\/ul><\/li>\n\n<li><strong>\u0110o l\u01b0\u1ee3ng FeCl3 c\u1ea7n s\u1eed d\u1ee5ng<\/strong><ul class=\"wp-block-list\"><li>L\u01b0\u1ee3ng n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, n\u1ed3ng \u0111\u1ed9 mong mu\u1ed1n v\u00e0 c\u00f4ng th\u1ee9c pha ch\u1ebf c\u1ee5 th\u1ec3 n\u00ean c\u1ea7n x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t c\u1ea7n pha.<\/li><\/ul><\/li>\n\n<li><strong>Pha lo\u00e3ng FeCl3<\/strong><ul class=\"wp-block-list\"><li>\u0110\u1eb7t b\u00ecnh \u0111\u1ef1ng l\u00ean tr\u00ean n\u1ec1n v\u00e0 b\u1eaft \u0111\u1ea7u \u0111\u1ed5 n\u01b0\u1edbc c\u1ea5t v\u00e0o b\u00ecnh. N\u1ebfu mu\u1ed1n l\u00e0m dung d\u1ecbch d\u01b0\u1edbi d\u1ea1ng dung d\u1ecbch n\u1ed3ng \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh, h\u00e3y \u0111o n\u01b0\u1edbc c\u1ea5t c\u1ea9n th\u1eadn.<\/li>\n\n<li>Nh\u1ea5n m\u1ea1nh r\u1eb1ng l\u00e0 n\u01b0\u1edbc c\u1ea5t n\u00ean \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o b\u00ecnh tr\u01b0\u1edbc v\u00e0 sau \u0111\u00f3 th\u00eam FeCl3 b\u1ed9t v\u00e0o n\u01b0\u1edbc kh\u00f4ng ph\u1ea3i ng\u01b0\u1ee3c l\u1ea1i nh\u1eb1m tr\u00e1nh s\u1ef1 x\u1ea3y ra c\u1ee7a ph\u1ea3n \u1ee9ng nhi\u1ec7t v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1eafn t\u1eaft.<\/li><\/ul><\/li>\n\n<li><strong>Khu\u1ea5y \u0111\u1ec1u<\/strong><ul class=\"wp-block-list\"><li>Khu\u1ea5y \u0111\u1ec1u dung d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 khu\u1ea5y th\u00edch h\u1ee3p cho \u0111\u1ebfn khi S\u1eaft III Clorua ho\u00e0n to\u00e0n tan trong n\u01b0\u1edbc. Trong qu\u00e1 tr\u00ecnh n\u00e0y, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a dung d\u1ecbch c\u00f3 th\u1ec3 t\u0103ng, v\u00ec v\u1eady h\u00e3y l\u00e0m vi\u1ec7c c\u1ea9n th\u1eadn.<\/li><\/ul><\/li>\n\n<li><strong>Ki\u1ec3m tra n\u1ed3ng \u0111\u1ed9<\/strong><ul class=\"wp-block-list\"><li>S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ph\u00e2n t\u00edch h\u00f3a h\u1ecdc th\u00edch h\u1ee3p \u0111\u1ec3 ki\u1ec3m tra n\u1ed3ng \u0111\u1ed9 c\u1ee7a dung d\u1ecbch FeCl3 n\u1ebfu c\u1ea7n. C\u00f3 th\u1ec3 th\u00eam FeCl3 b\u1ed9t ho\u1eb7c n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh n\u1ed3ng \u0111\u1ed9.<\/li><\/ul><\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bao_quan_FeCl3\"><\/span><strong>B\u1ea3o qu\u1ea3n FeCl3<\/strong>:<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li>Nhi\u1ec7t \u0111\u1ed9 b\u1ea3o qu\u1ea3n: 15\u201325\u00b0C, tr\u00e1nh \u0111\u1ec3 \u0111\u00f4ng c\u1ee9ng.<\/li>\n\n<li>\u0110\u1ef1ng trong v\u1eadt li\u1ec7u ch\u1ecbu \u0103n m\u00f2n nh\u01b0 th\u1ee7y tinh, nh\u1ef1a PVC, ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u1ea3m b\u1ea3o n\u1eafp \u0111\u1eady k\u00edn.<\/li>\n\n<li>Tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, v\u00ec FeCl3 d\u1ec5 h\u00fat \u1ea9m v\u00e0 sinh kh\u00f3i \u0111\u1ed9c.<\/li>\n\n<li>L\u01b0u tr\u1eef n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u0111\u1ed9 \u1ea9m cao.<\/li>\n\n<li>G\u1eafn nh\u00e3n r\u00f5 r\u00e0ng v\u1edbi t\u00ean, n\u1ed3ng \u0111\u1ed9, v\u00e0 ng\u00e0y s\u1ea3n xu\u1ea5t.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Luu_y_an_toan_khi_su_dung_FeCl3\"><\/span><strong>L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng FeCl3<\/strong>:<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li>\u0110eo g\u0103ng tay cao su, k\u00ednh b\u1ea3o h\u1ed9, v\u00e0 \u00e1o b\u1ea3o h\u1ed9 khi l\u00e0m vi\u1ec7c.<\/li>\n\n<li>L\u00e0m vi\u1ec7c trong kh\u00f4ng gian th\u00f4ng tho\u00e1ng \u0111\u1ec3 h\u1ea1n ch\u1ebf h\u00edt ph\u1ea3i kh\u00f3i \u0111\u1ed9c.<\/li>\n\n<li>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i \u0111\u00fang quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan ch\u1ee9c n\u0103ng.<\/li>\n\n<li>\u0110\u1ecdc k\u1ef9 h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 t\u00e0i li\u1ec7u an to\u00e0n tr\u01b0\u1edbc khi thao t\u00e1c.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl3_co_doc_khong\"><\/span>FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong data-start=\"4335\" data-end=\"4355\">Ti\u1ebfp x\u00fac da\/m\u1eaft:<\/strong> C\u00f3 th\u1ec3 g\u00e2y k\u00edch \u1ee9ng m\u1ea1nh, b\u1ecfng r\u00e1t.<\/li>\n\n<li><strong data-start=\"4396\" data-end=\"4409\">H\u00edt ph\u1ea3i:<\/strong> G\u00e2y k\u00edch \u1ee9ng \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p, ho, kh\u00f3 th\u1edf.<\/li>\n\n<li><strong data-start=\"4454\" data-end=\"4468\">Nu\u1ed1t ph\u1ea3i:<\/strong> C\u00f3 th\u1ec3 g\u00e2y \u0111au b\u1ee5ng, n\u00f4n m\u1eeda, ti\u00eau ch\u1ea3y.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_noi_mua_ban_hoa_chat_FeCl3_uy_tin_%E2%80%93_chat_luong\"><\/span><strong>T\u00ecm n\u01a1i mua b\u00e1n h\u00f3a ch\u1ea5t FeCl3 uy t\u00edn \u2013 ch\u1ea5t l\u01b0\u1ee3ng.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nH\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 uy t\u00edn \u0111\u1ec3 <strong><a href=\"https:\/\/hoachatlocthien.com\/fecl3-sat-iii-chloride\/\" target=\"_new\" rel=\"noopener\">mua FeCl3<\/a><\/strong> v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t kh\u00e1c d\u00f9ng trong c\u00f4ng nghi\u1ec7p. V\u1edbi cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 c\u1ea3 c\u1ea1nh tranh, ch\u00fang t\u00f4i lu\u00f4n \u0111\u1ed3ng h\u00e0nh c\u00f9ng kh\u00e1ch h\u00e0ng trong m\u1ecdi d\u1ef1 \u00e1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng an to\u00e0n c\u0169ng nh\u01b0 s\u1ea3n ph\u1ea9m t\u1ed1t nh\u1ea5t.\n<\/p><ul class=\"wp-block-list\"><li>Uy t\u00edn &#8211; ch\u1ea5t l\u01b0\u1ee3ng: L\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb h\u00e0ng \u0111\u1ea7u L\u1ed9c Thi\u00ean \u0111\u00e3 c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m trong vi\u1ec7c cung c\u1ea5p h\u00f3a ch\u1ea5t cho c\u00e1c nh\u00e0 m\u00e1y l\u1edbn.<\/li>\n\n<li>Gi\u00e1 c\u1ea3 c\u1ea1nh tranh: Ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p s\u1ea3n ph\u1ea9m gi\u00e1 c\u1ea3 c\u1ea1nh tranh nh\u1ea5t th\u1ecb tr\u01b0\u1eddng. Gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed cho doanh nghi\u1ec7p.<\/li>\n\n<li>S\u1ea3n ph\u1ea9m \u0111a d\u1ea1ng: Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m <strong><em>h<\/em><em>\u00f3a ch\u1ea5t Axit HCl, X\u00fat L\u1ecfng NaOH, N\u01b0\u1edbc Javel \u2013 NaOCl, h\u00f3a ch\u1ea5t FeC2, V\u00f4i<\/em><\/strong>\u2026. v\u00e0 \u0111a d\u1ea1ng s\u1ea3n ph\u1ea9m, trong \u0111\u00f3 ch\u00fang t\u00f4i\u00a0<strong>chuy\u00ean cung c\u1ea5p h\u00f3a ch\u1ea5t FeCl3.<\/strong><\/li><\/ul><p>\nN\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm \u0111\u1ecba \u0111i\u1ec3m mua b\u00e1n FeCl3 t\u1ea1i khu v\u1ef1c mi\u1ec1n nam. H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean s\u1ebd l\u00e0 m\u1ed9t \u0111\u1ed1i t\u00e1c v\u00f4 c\u0169ng \u0111\u00e1ng tin c\u00e2\u1ef5, b\u1edfi ch\u00fang t\u00f4i lu\u00f4n t\u1ef1 h\u00e0o v\u1ec1 s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9 c\u1ee7a s\u1ea3n ph\u1ea9m. B\u00e1o gi\u00e1 nhanh ch\u00f3ng lu\u00f4n s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n 24\/7 khi b\u1ea1n mu\u1ed1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ea3n ph\u1ea9m. <em>C\u0169ng nh\u01b0 c\u00e2u n\u00f3i&nbsp;<strong>\u201c V\u1eefng ch\u1eafc tr\u00ean m\u1ecdi h\u00e0nh tr\u00ecnh \u2013 L\u1ed9c Thi\u00ean \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n\u201d<\/strong><\/em><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"993\" height=\"659\" data-sizes=\"(max-width: 993px) 100vw, 993px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/bao-quan-FeCl3.jpg\" alt=\"S\u1eaft (III) Clorua; Ph\u00e8n s\u1eaft (III) Clorua; FeCl3;\" class=\"wp-image-1801 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/bao-quan-FeCl3.jpg 993w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/bao-quan-FeCl3-500x332.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 993px; --smush-placeholder-aspect-ratio: 993\/659;\" \/><\/figure><\/div><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong><span style=\"color: #0000ff;\">H O T L I N E:<\/span> <a href=\"tel:0979891929\"><span style=\"color: #ff0000;\">0979.89.1929<\/span><\/a><\/strong> Li\u00ean h\u00ea\u0323 ngay v\u01a1\u0301i chu\u0301ng t\u00f4i nhe\u0301 \u0111\u00ea\u0309 nh\u00e2\u0323n \u0111\u01b0\u01a1\u0323c nh\u01b0\u0303ng t\u01b0 v\u00e2\u0301n h\u01b0\u0303u i\u0301ch nh\u00e2\u0301t!<\/p><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><div class=\"row row-collapse row-full-width\"  id=\"row-618536368\">\n\n\n\t<div id=\"col-911478670\" class=\"col medium-6 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><strong>C\u00d4NG TY TNHH \u0110\u1ea6U T\u01af PH\u00c1T TRI\u1ec2N L\u1ed8C THI\u00caN<\/strong><\/p>\n<ul>\n<li><strong>\u0110\u1ecba ch\u1ec9:\u00a0<\/strong>452\/6B T\u1ec9nh L\u1ed9 10, P. B\u00ecnh Tr\u1ecb \u0110\u00f4ng, Q. B\u00ecnh T\u00e2n, TP.HCM<\/li>\n<li><strong>\u0110i\u1ec7n tho\u1ea1i:<\/strong> 028 6269 5669 - \u00a0028 6269 5662<\/li>\n<li><strong>Website:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/\" target=\"_blank\" rel=\"noopener\">hoachatlocthien.com<\/a><\/li>\n<li><strong>Fax :\u00a0<\/strong>028 6269 5662 -\u00a0<strong>HotLine<\/strong>: <a href=\"tel:0979891929\">0979 89 19 29<\/a><\/li>\n<\/ul>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-778089290\" class=\"col medium-6 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><strong>Chi nh\u00e1nh v\u00e0 kho h\u00e0ng<\/strong><\/p>\n<ul>\n<li><strong>Kho 1<\/strong>: \u1ea4p Ph\u01b0\u1edbc H\u01b0ng, X. M\u1ef9 Xu\u00e2n, H. T\u00e2n Th\u00e0nh, T. B\u00e0 R\u1ecba - V\u0169ng T\u00e0u<\/li>\n<li><strong>Kho 2<\/strong>: Ph\u01b0\u1edbc Th\u00e1i, X. Ph\u01b0\u1edbc B\u00ecnh, H. Long\u00a0 Th\u00e0nh, T. \u0110\u1ed3ng Nai<\/li>\n<li><strong>Kho 3<\/strong>: KCN T\u00e2n \u0110\u00f4ng Hi\u1ec7p B, D\u0129 An, B\u00ecnh D\u01b0\u01a1ng .<\/li>\n<li><strong>Kho 4<\/strong>: KCN H\u00f2a Kh\u00e1nh , \u0110\u00e0 N\u1eb5ng<\/li>\n<li><strong>Kho 5:<\/strong> KCN \u00d4 M\u00f4, Ph\u01b0\u1eddng Ph\u01b0\u1edbc Th\u1edbi, Qu\u1eadn \u00d4 M\u00f4n, Tp.C\u1ea7n Th\u01a1<\/li>\n<li><strong>Kho 6:<\/strong> KCN \u0110\u1ea1i \u0110\u1ed3ng - Ho\u00e0n S\u01a1n, X. Tri Ph\u01b0\u01a1ng, Ti\u00ean Du, B\u1eafc Ninh<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<p><iframe style=\"border: 0;\" data-src=\"https:\/\/www.google.com\/maps\/embed?pb=!1m14!1m8!1m3!1d501722.0146604921!2d106.620075!3d10.757339!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x31752c2e56f3cff7%3A0x39eeb29d74c428f2!2zQ8O0bmcgdHkgSG_DoSBDaOG6pXQgTOG7mWMgVGhpw6pu!5e0!3m2!1svi!2sus!4v1697254383560!5m2!1svi!2sus\" width=\"100%\" height=\"500\" allowfullscreen=\"allowfullscreen\" title=\"Google Maps c\u1ee7a H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/p><div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1739525778470\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"Tai_sao_FeCl3_duoc_su_dung_thay_the_cho_cac_chat_keo_tu_khac_trong_xu_ly_nuoc_thai\"><\/span>T\u1ea1i sao FeCl3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho c\u00e1c ch\u1ea5t keo t\u1ee5 kh\u00e1c trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>FeCl3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i nh\u1edd v\u00e0o <strong>kh\u1ea3 n\u0103ng keo t\u1ee5 m\u1ea1nh m\u1ebd<\/strong>, nh\u01b0ng c\u00f3 g\u00ec \u0111\u1eb7c bi\u1ec7t so v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t keo t\u1ee5 kh\u00e1c nh\u01b0 <strong>PAC (Poly Aluminium Chloride) ho\u1eb7c Al2(SO4)3 (Ph\u00e8n Nh\u00f4m Sulfat)?<\/strong><br \/>\u2705 <strong>Hi\u1ec7u su\u1ea5t keo t\u1ee5 cao h\u01a1n:<\/strong> FeCl3 c\u00f3 t\u00ednh axit m\u1ea1nh, gi\u00fap <strong>t\u1ea1o b\u00f4ng nhanh h\u01a1n<\/strong> v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t l\u01a1 l\u1eedng.<br \/>\u2705 <strong>Kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh pH qu\u00e1 nhi\u1ec1u:<\/strong> Dung d\u1ecbch FeCl3 c\u00f3 pH th\u1ea5p (~2.5 &#8211; 3.5), c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 trong n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 ki\u1ec1m cao m\u00e0 kh\u00f4ng c\u1ea7n nhi\u1ec1u h\u00f3a ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh pH nh\u01b0 khi d\u00f9ng PAC ho\u1eb7c ph\u00e8n nh\u00f4m.<br \/>\u2705 <strong>Lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng:<\/strong> FeCl3 c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft t\u1ee7a v\u1edbi c\u00e1c kim lo\u1ea1i n\u1eb7ng nh\u01b0 <strong>Asen (As), Ch\u00ec (Pb), K\u1ebdm (Zn)<\/strong> trong n\u01b0\u1edbc th\u1ea3i, gi\u00fap x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nguy hi\u1ec3m.<br \/>\ud83d\udca1 <strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> FeCl3 c\u00f3 th\u1ec3 \u0103n m\u00f2n thi\u1ebft b\u1ecb n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu axit nh\u01b0 nh\u1ef1a PVC, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c cao su ch\u1ecbu h\u00f3a ch\u1ea5t.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739525793394\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"FeCl3_co_tac_dung_trong_san_xuat_thep_khong_gi_va_kim_loai_khong\"><\/span>FeCl3 c\u00f3 t\u00e1c d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kim lo\u1ea1i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>FeCl3 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc m\u00e0 c\u00f2n c\u00f3 \u1ee9ng d\u1ee5ng <strong>trong ng\u00e0nh luy\u1ec7n kim v\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9<\/strong>:<br \/>\ud83d\udd39 <strong>T\u1ea9y g\u1ec9 kim lo\u1ea1i:<\/strong> FeCl3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp oxit s\u1eaft (g\u1ec9 s\u00e9t) tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p tr\u01b0\u1edbc khi m\u1ea1 k\u1ebdm ho\u1eb7c s\u01a1n ph\u1ee7.<br \/>\ud83d\udd39 <strong>\u0102n m\u00f2n kim lo\u1ea1i c\u00f3 ki\u1ec3m so\u00e1t:<\/strong> Trong ng\u00e0nh <strong>c\u00f4ng ngh\u1ec7 kh\u1eafc m\u1ea1ch (etching)<\/strong>, FeCl3 gi\u00fap t\u1ea1o hoa v\u0103n chi ti\u1ebft tr\u00ean kim lo\u1ea1i nh\u01b0 <strong>\u0111\u1ed3ng, th\u00e9p kh\u00f4ng g\u1ec9, b\u1ea1c, titan<\/strong>, \u1ee9ng d\u1ee5ng trong <strong>s\u1ea3n xu\u1ea5t vi m\u1ea1ch, trang s\u1ee9c v\u00e0 ngh\u1ec7 thu\u1eadt kh\u1eafc axit<\/strong>.<br \/>\ud83d\udd39 <strong>T\u00e1i ch\u1ebf kim lo\u1ea1i:<\/strong> FeCl3 c\u00f3 th\u1ec3 gi\u00fap chi\u1ebft t\u00e1ch kim lo\u1ea1i qu\u00fd t\u1eeb h\u1ee3p kim ho\u1eb7c r\u00e1c th\u1ea3i \u0111i\u1ec7n t\u1eed nh\u1edd t\u00ednh oxy h\u00f3a m\u1ea1nh.<br \/>\ud83d\udca1 <strong>L\u01b0u \u00fd:<\/strong> Khi s\u1eed d\u1ee5ng FeCl3 \u0111\u1ec3 kh\u1eafc axit ho\u1eb7c l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i, c\u1ea7n ph\u1ea3i c\u00f3 <strong>quy tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ph\u00f9 h\u1ee3p<\/strong> \u0111\u1ec3 tr\u00e1nh \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739525801297\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"FeCl3_co_anh_huong_den_suc_khoe_con_nguoi_khi_tiep_xuc_lau_dai_khong\"><\/span>FeCl3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>M\u1eb7c d\u00f9 FeCl3 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, nh\u01b0ng khi <strong>ti\u1ebfp x\u00fac l\u00e2u d\u00e0i<\/strong>, h\u00f3a ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn s\u1ee9c kh\u1ecfe:<br \/>\ud83e\ude78 <strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn da v\u00e0 m\u1eaft:<\/strong><br \/>G\u00e2y <strong>k\u00edch \u1ee9ng m\u1ea1nh<\/strong>, c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng h\u00f3a h\u1ecdc n\u1ebfu ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<br \/>Ti\u1ebfp x\u00fac m\u1eaft c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong>t\u1ed5n th\u01b0\u01a1ng gi\u00e1c m\u1ea1c, vi\u00eam k\u1ebft m\u1ea1c<\/strong> n\u1ebfu kh\u00f4ng r\u1eeda s\u1ea1ch ngay l\u1eadp t\u1ee9c.<br \/>\ud83d\udca8 <strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 h\u00f4 h\u1ea5p:<\/strong><br \/>H\u00edt ph\u1ea3i b\u1ee5i ho\u1eb7c h\u01a1i FeCl3 c\u00f3 th\u1ec3 <strong>k\u00edch th\u00edch ni\u00eam m\u1ea1c m\u0169i, h\u1ecdng<\/strong>, g\u00e2y ho, kh\u00f3 th\u1edf.<br \/>Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i c\u00f3 th\u1ec3 g\u00e2y <strong>vi\u00eam ph\u1ed5i h\u00f3a ch\u1ea5t<\/strong>, \u0111\u1eb7c bi\u1ec7t khi l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng k\u00edn kh\u00f4ng th\u00f4ng gi\u00f3.<br \/>\ud83d\udc8a <strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 ti\u00eau h\u00f3a:<\/strong><br \/>N\u1ebfu nu\u1ed1t ph\u1ea3i FeCl3 c\u00f3 th\u1ec3 g\u00e2y <strong>\u0111au b\u1ee5ng d\u1eef d\u1ed9i, n\u00f4n m\u1eeda, ti\u00eau ch\u1ea3y<\/strong> do t\u00ednh axit m\u1ea1nh.<br \/>M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi n\u1ed3ng \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y <strong>ng\u1ed9 \u0111\u1ed9c s\u1eaft<\/strong>, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gan v\u00e0 h\u1ec7 th\u1ea7n kinh.<br \/>\ud83d\udca1 <strong>Bi\u1ec7n ph\u00e1p an to\u00e0n:<\/strong><br \/>\u2714 <strong>Lu\u00f4n \u0111eo g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9, kh\u1ea9u trang<\/strong> khi l\u00e0m vi\u1ec7c v\u1edbi FeCl3.<br \/>\u2714 <strong>Kh\u00f4ng l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng k\u00edn, thi\u1ebfu th\u00f4ng gi\u00f3.<\/strong><br \/>\u2714 <strong>R\u1eeda s\u1ea1ch ngay l\u1eadp t\u1ee9c b\u1eb1ng n\u01b0\u1edbc n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi da ho\u1eb7c m\u1eaft.<\/strong><\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739525813626\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"FeCl3_co_tac_dong_gi_den_moi_truong_khi_bi_thai_ra_ngoai\"><\/span>FeCl3 c\u00f3 t\u00e1c \u0111\u1ed9ng g\u00ec \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng khi b\u1ecb th\u1ea3i ra ngo\u00e0i?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Do <strong>t\u00ednh axit m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng cao<\/strong>, FeCl3 c\u00f3 th\u1ec3 g\u00e2y t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<br \/>\ud83c\udf0a <strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn ngu\u1ed3n n\u01b0\u1edbc:<\/strong><br \/>FeCl3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m <strong>pH c\u1ee7a n\u01b0\u1edbc<\/strong>, g\u00e2y <strong>axit h\u00f3a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc<\/strong>, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i.<br \/>Khi b\u1ecb r\u00f2 r\u1ec9 ra s\u00f4ng h\u1ed3, FeCl3 c\u00f3 th\u1ec3 k\u1ebft t\u1ee7a th\u00e0nh <strong>Fe(OH)3<\/strong>, l\u00e0m \u0111\u1ee5c n\u01b0\u1edbc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9ng th\u1ef1c v\u1eadt th\u1ee7y sinh.<br \/>\ud83c\udf31 <strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ea5t v\u00e0 th\u1ef1c v\u1eadt:<\/strong><br \/>FeCl3 khi th\u1ea5m v\u00e0o \u0111\u1ea5t c\u00f3 th\u1ec3 <strong>g\u00e2y ng\u1ed9 \u0111\u1ed9c cho c\u00e2y tr\u1ed3ng<\/strong> do l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng vi l\u01b0\u1ee3ng s\u1eaft trong \u0111\u1ea5t.<br \/>Trong n\u1ed3ng \u0111\u1ed9 cao, FeCl3 c\u00f3 th\u1ec3 <strong>ph\u00e1 h\u1ee7y h\u1ec7 vi sinh v\u1eadt c\u00f3 l\u1ee3i<\/strong> trong \u0111\u1ea5t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y h\u1eefu c\u01a1 v\u00e0 c\u1ea5u tr\u00fac \u0111\u1ea5t.<br \/>\ud83d\udca1 <strong>Bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng:<\/strong><br \/>\u2714 <strong>X\u1eed l\u00fd FeCl3 th\u1ea3i b\u1eb1ng c\u00e1ch trung h\u00f2a v\u1edbi NaOH ho\u1eb7c v\u00f4i (Ca(OH)\u2082) tr\u01b0\u1edbc khi x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng.<\/strong><br \/>\u2714 <strong>L\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n FeCl3 trong th\u00f9ng ch\u1ecbu h\u00f3a ch\u1ea5t \u0111\u1ec3 tr\u00e1nh r\u00f2 r\u1ec9.<\/strong><br \/>\u2714 <strong>Kh\u00f4ng \u0111\u1ed5 tr\u1ef1c ti\u1ebfp FeCl3 xu\u1ed1ng c\u1ed1ng, s\u00f4ng su\u1ed1i ho\u1eb7c \u0111\u1ea5t.<\/strong><\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739525824633\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"FeCl3_co_the_thay_the_bang_hoa_chat_nao_trong_cac_ung_dung_cong_nghiep\"><\/span>FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng h\u00f3a ch\u1ea5t n\u00e0o trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>M\u1eb7c d\u00f9 FeCl3 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, nh\u01b0ng trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng, c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng c\u00e1c h\u00f3a ch\u1ea5t kh\u00e1c \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t ho\u1eb7c gi\u1ea3m t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng.<br \/>\ud83e\uddea <strong>Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i:<\/strong><br \/>+ <strong>Poly Aluminium Chloride (PAC):<\/strong> Hi\u1ec7u su\u1ea5t keo t\u1ee5 cao, \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH.<br \/>+ <strong>Al2(SO4)3 (Ph\u00e8n nh\u00f4m):<\/strong> D\u1ec5 s\u1eed d\u1ee5ng, \u00edt \u0103n m\u00f2n nh\u01b0ng hi\u1ec7u qu\u1ea3 keo t\u1ee5 k\u00e9m h\u01a1n FeCl3.<br \/>+ <strong>Clorua s\u1eaft (II) &#8211; FeCl2:<\/strong> C\u00f3 t\u00ednh kh\u1eed t\u1ed1t, ph\u00f9 h\u1ee3p cho x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 oxy h\u00f3a cao.<br \/>\u2699 <strong>Trong s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in (etching):<\/strong><br \/>+ <strong>Axit nitric (HNO3) + Axit photphoric (H3PO4):<\/strong> D\u00f9ng trong kh\u1eafc m\u1ea1ch nh\u01b0ng c\u1ea7n ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng.<br \/>+ <strong>Dung d\u1ecbch amoni persulfat (NH4)2S2O8:<\/strong> \u00cdt nguy hi\u1ec3m h\u01a1n, kh\u00f4ng t\u1ea1o c\u1eb7n Fe(OH)3.<br \/>\ud83d\udd2c <strong>Trong c\u00f4ng nghi\u1ec7p kim lo\u1ea1i:<\/strong><br \/>+ <strong>Axit clohydric (HCl):<\/strong> T\u1ea9y g\u1ec9 th\u00e9p nh\u01b0ng t\u1ea1o nhi\u1ec1u kh\u00ed \u0111\u1ed9c HCl.<br \/>+ <strong>Dung d\u1ecbch NaOH + H2O2:<\/strong> D\u00f9ng \u0111\u1ec3 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i m\u00e0 kh\u00f4ng \u0103n m\u00f2n m\u1ea1nh nh\u01b0 FeCl3.<br \/>\ud83d\udca1 <strong>L\u01b0u \u00fd khi thay th\u1ebf FeCl3:<\/strong><br \/>\u2714 C\u1ea7n <strong>x\u00e1c \u0111\u1ecbnh \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/strong> c\u1ee7a t\u1eebng \u1ee9ng d\u1ee5ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn h\u00f3a ch\u1ea5t thay th\u1ebf ph\u00f9 h\u1ee3p.<br \/>\u2714 Xem x\u00e9t <strong>t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, \u0111\u1ed9 an to\u00e0n v\u00e0 chi ph\u00ed<\/strong> tr\u01b0\u1edbc khi thay \u0111\u1ed5i quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div><!-- FeCl3 Liquid 40% Sections 2026-07-05 -->\n<!-- ============================================================\n     FeCl3 Dung D\u1ecbch L\u1ecfng 40% \u2014 4 Sections B\u1ed5 Sung N\u1ed9i Dung\n     S\u1ea3n ph\u1ea9m: Dung d\u1ecbch FeCl\u2083 38\u201340% | H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean\n     hoachatlocthien.com\n     ============================================================ -->\n\n<!-- ============================================================\n     SECTION A \u2014 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt dung d\u1ecbch FeCl\u2083 40%\n     ============================================================ -->\n<section id=\"thong-so-ky-thuat-fecl3-40\">\n\n  <h2><span class=\"ez-toc-section\" id=\"Thong_so_ky_thuat_dung_dich_FeCl3_40\"><\/span>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt dung d\u1ecbch FeCl<sub>3<\/sub> 40%<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n  <p class=\"passage-answer\">\n    Dung d\u1ecbch FeCl<sub>3<\/sub> 40% (Ferric Chloride solution) do H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p l\u00e0 dung d\u1ecbch\n    s\u1eaft(III) clorua n\u1ed3ng \u0111\u1ed9 38\u201340% w\/w, d\u1ea1ng l\u1ecfng m\u00e0u n\u00e2u cam \u0111\u1ebfn n\u00e2u \u0111\u1ecf \u0111\u1eadm, s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp\n    trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, kh\u1eafc m\u1ea1ch in PCB v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n\n    h\u00f2a tan hay pha ch\u1ebf t\u1eeb d\u1ea1ng r\u1eafn. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c nh\u1eadp kh\u1ea9u ch\u00ednh ng\u1ea1ch, \u0111\u00f3ng g\u00f3i IBC 1.000 l\u00edt ho\u1eb7c\n    giao b\u1ed3n 20\u201325 t\u1ea5n, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh theo t\u1eebng l\u00f4 h\u00e0ng.\n  <\/p>\n\n  <table class=\"specs-table\">\n    <thead>\n      <tr>\n        <th>Th\u00f4ng s\u1ed1<\/th>\n        <th>Gi\u00e1 tr\u1ecb \/ M\u00f4 t\u1ea3<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>T\u00ean h\u00f3a h\u1ecdc<\/td>\n        <td>S\u1eaft(III) clorua \u2014 Ferric Chloride Solution<\/td>\n      <\/tr>\n      <tr>\n        <td>C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed<\/td>\n        <td>FeCl<sub>3<\/sub> (trong dung d\u1ecbch n\u01b0\u1edbc)<\/td>\n      <\/tr>\n      <tr>\n        <td>S\u1ed1 CAS<\/td>\n        <td>7705-08-0<\/td>\n      <\/tr>\n      <tr>\n        <td>S\u1ed1 EC (EINECS)<\/td>\n        <td>231-729-4<\/td>\n      <\/tr>\n      <tr>\n        <td>UN Number (dung d\u1ecbch)<\/td>\n        <td>UN 2582 \u2014 Ferric Chloride Solution<\/td>\n      <\/tr>\n      <tr>\n        <td>Nh\u00f3m nguy hi\u1ec3m (IMO\/ADR)<\/td>\n        <td>Class 8 \u2014 Ch\u1ea5t \u0103n m\u00f2n<\/td>\n      <\/tr>\n      <tr>\n        <td>H\u00e0m l\u01b0\u1ee3ng FeCl<sub>3<\/sub><\/td>\n        <td>38\u201340% w\/w<\/td>\n      <\/tr>\n      <tr>\n        <td>M\u00e0u s\u1eafc<\/td>\n        <td>N\u00e2u cam \u0111\u1ebfn n\u00e2u \u0111\u1ecf \u0111\u1eadm<\/td>\n      <\/tr>\n      <tr>\n        <td>T\u1ef7 tr\u1ecdng (20\u00b0C)<\/td>\n        <td>~1,42 g\/cm\u00b3 (\u1edf 40%); ~1,38 g\/cm\u00b3 (\u1edf 38%)<\/td>\n      <\/tr>\n      <tr>\n        <td>pH (dung d\u1ecbch nguy\u00ean ch\u1ea5t)<\/td>\n        <td>~1,0\u20132,0 (axit m\u1ea1nh)<\/td>\n      <\/tr>\n      <tr>\n        <td>Nhi\u1ec7t \u0111\u1ed9 s\u00f4i<\/td>\n        <td>~100\u2013105\u00b0C (g\u1ea7n b\u1eb1ng n\u01b0\u1edbc)<\/td>\n      <\/tr>\n      <tr>\n        <td>\u0110i\u1ec3m \u0111\u00f3ng b\u0103ng<\/td>\n        <td>~-22\u00b0C (dung d\u1ecbch 40%); ~-15\u00b0C (dung d\u1ecbch 38%)<\/td>\n      <\/tr>\n      <tr>\n        <td>\u0110\u1ed9 nh\u1edbt (20\u00b0C)<\/td>\n        <td>~5\u20138 cP<\/td>\n      <\/tr>\n      <tr>\n        <td>Quy c\u00e1ch \u0111\u00f3ng g\u00f3i<\/td>\n        <td>IBC 1.000 L \/ B\u1ed3n xe b\u1ed3n 20\u201325 t\u1ea5n<\/td>\n      <\/tr>\n      <tr>\n        <td>Xu\u1ea5t x\u1ee9<\/td>\n        <td>Nh\u1eadp kh\u1ea9u \u2014 Trung Qu\u1ed1c<\/td>\n      <\/tr>\n      <tr>\n        <td>B\u1ed3n ch\u1ee9a ph\u00f9 h\u1ee3p<\/td>\n        <td>HDPE, FRP vinyl ester, PVC, b\u1ed3n th\u00e9p b\u1ecdc l\u00f3t cao su\/PE<\/td>\n      <\/tr>\n      <tr>\n        <td>B\u1ea3o qu\u1ea3n<\/td>\n        <td>Nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng, tr\u00e1nh \u0111\u00f3ng b\u0103ng, \u0111\u1eady k\u00edn tr\u00e1nh \u1ea9m v\u00e0 \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp<\/td>\n      <\/tr>\n      <tr>\n        <td>Nh\u00e0 cung c\u1ea5p<\/td>\n        <td>H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean \u2014 hoachatlocthien.com<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n\n  <div class=\"ai-passage\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n    <p class=\"ai-question\"><strong>C\u00e2u h\u1ecfi:<\/strong> Dung d\u1ecbch FeCl<sub>3<\/sub> 40% c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n    <p itemprop=\"text\">\n      Dung d\u1ecbch FeCl<sub>3<\/sub> 40% l\u1ecfng cung c\u1ea5p b\u1edfi H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean c\u00f3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh nh\u01b0 sau:\n      n\u1ed3ng \u0111\u1ed9 FeCl<sub>3<\/sub> \u0111\u1ea1t 38\u201340% w\/w, d\u1ea1ng l\u1ecfng m\u00e0u n\u00e2u cam \u0111\u1ebfn n\u00e2u \u0111\u1ecf \u0111\u1eadm. T\u1ef7 tr\u1ecdng \u1edf 20\u00b0C kho\u1ea3ng\n      1,42 g\/cm\u00b3 (v\u1edbi n\u1ed3ng \u0111\u1ed9 40%). pH c\u1ee7a dung d\u1ecbch nguy\u00ean ch\u1ea5t trong kho\u1ea3ng 1,0\u20132,0, thu\u1ed9c nh\u00f3m axit m\u1ea1nh,\n      c\u1ea7n x\u1eed l\u00fd b\u1eb1ng thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 \u0111\u1ea7y \u0111\u1ee7. \u0110i\u1ec3m \u0111\u00f3ng b\u0103ng c\u1ee7a dung d\u1ecbch 40% l\u00e0 kho\u1ea3ng -22\u00b0C, ngh\u0129a l\u00e0 an\n      to\u00e0n b\u1ea3o qu\u1ea3n \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng t\u1ea1i Vi\u1ec7t Nam. S\u1ed1 UN c\u1ee7a dung d\u1ecbch FeCl<sub>3<\/sub> l\u00e0 UN 2582, ph\u00e2n lo\u1ea1i\n      Class 8 \u2014 ch\u1ea5t \u0103n m\u00f2n, kh\u00e1c v\u1edbi UN 1773 d\u00e0nh cho d\u1ea1ng r\u1eafn. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong IBC 1.000 l\u00edt\n      ho\u1eb7c giao b\u1eb1ng xe b\u1ed3n 20\u201325 t\u1ea5n. B\u1ed3n ch\u1ee9a ph\u00f9 h\u1ee3p l\u00e0 HDPE, FRP vinyl ester ho\u1eb7c PVC \u2014 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng\n      d\u00f9ng b\u1ed3n th\u00e9p carbon th\u00f4ng th\u01b0\u1eddng v\u00ec FeCl<sub>3<\/sub> c\u00f3 t\u00ednh \u0103n m\u00f2n kim lo\u1ea1i r\u1ea5t m\u1ea1nh.\n    <\/p>\n  <\/div>\n\n<\/section>\n<!-- \/SECTION A -->\n\n\n<!-- ============================================================\n     SECTION B \u2014 \u1ee8ng d\u1ee5ng FeCl\u2083 l\u1ecfng 40% theo t\u1eebng ng\u00e0nh\n     ============================================================ -->\n<section id=\"ung-dung-fecl3-40-cong-nghiep\">\n\n  <h2><span class=\"ez-toc-section\" id=\"Ung_dung_dung_dich_FeCl3_40_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng dung d\u1ecbch FeCl<sub>3<\/sub> 40% trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n  <p class=\"passage-answer\">\n    Dung d\u1ecbch FeCl<sub>3<\/sub> 40% d\u1ea1ng l\u1ecfng c\u00f3 \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi d\u1ea1ng r\u1eafn: c\u00f3 th\u1ec3 b\u01a1m tr\u1ef1c ti\u1ebfp v\u00e0o\n    h\u1ec7 th\u1ed1ng qua b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng c\u1ea7n c\u00f4ng \u0111o\u1ea1n h\u00f2a tan, gi\u1ea3m thi\u1ec3u r\u1ee7i ro ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t v\u00e0 ti\u1ebft\n    ki\u1ec7m chi ph\u00ed v\u1eadn h\u00e0nh. \u0110\u00e2y l\u00e0 l\u00fd do h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, tr\u1ea1m x\u1eed l\u00fd n\u01b0\u1edbc c\u1ea5p v\u00e0 c\u01a1 s\u1edf\n    s\u1ea3n xu\u1ea5t PCB t\u1ea1i Vi\u1ec7t Nam \u01b0u ti\u00ean s\u1eed d\u1ee5ng FeCl<sub>3<\/sub> d\u1ea1ng dung d\u1ecbch l\u1ecfng 38\u201340% t\u1eeb H\u00f3a Ch\u1ea5t L\u1ed9c\n    Thi\u00ean cho c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p c\u1ee7a m\u00ecnh.\n  <\/p>\n\n  <ol class=\"application-list\">\n\n    <li>\n      <strong>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i &amp; n\u01b0\u1edbc c\u1ea5p (keo t\u1ee5 &#8211; Coagulation)<\/strong><br>\n      FeCl<sub>3<\/sub> 40% l\u1ecfng l\u00e0 ch\u1ea5t keo t\u1ee5 hi\u1ec7u qu\u1ea3 cho c\u1ea3 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc c\u1ea5p sinh ho\u1ea1t.\n      Khi b\u01a1m v\u00e0o n\u01b0\u1edbc, ion Fe\u00b3\u207a th\u1ee7y ph\u00e2n t\u1ea1o b\u00f4ng keo Fe(OH)<sub>3<\/sub> h\u1ea5p ph\u1ee5 v\u00e0 k\u00e9o l\u1eafng c\u1eb7n, m\u00e0u,\n      kim lo\u1ea1i n\u1eb7ng v\u00e0 vi khu\u1ea9n. Li\u1ec1u d\u00f9ng \u0111i\u1ec3n h\u00ecnh: 20\u201350 mg\/L FeCl<sub>3<\/sub> (t\u00ednh theo FeCl<sub>3<\/sub>),\n      pH t\u1ed1i \u01b0u 6,5\u20138,0.<br>\n      <em>Ph\u1ea3n \u1ee9ng ch\u00ednh: FeCl<sub>3<\/sub> + 3H<sub>2<\/sub>O \u2192 Fe(OH)<sub>3<\/sub>\u2193 + 3HCl<\/em>\n    <\/li>\n\n    <li>\n      <strong>Kh\u1eafc m\u1ea1ch in PCB (Etching)<\/strong><br>\n      Trong s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in (PCB), dung d\u1ecbch FeCl<sub>3<\/sub> 40% l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp, kh\u00f4ng\n      c\u1ea7n pha lo\u00e3ng th\u00eam, \u0111\u1ec3 \u0103n m\u00f2n ch\u1ecdn l\u1ecdc l\u1edbp \u0111\u1ed3ng theo m\u1ea1ch \u0111\u00e3 thi\u1ebft k\u1ebf. Nhi\u1ec7t \u0111\u1ed9 dung d\u1ecbch etching\n      duy tr\u00ec 45\u201355\u00b0C cho t\u1ed1c \u0111\u1ed9 kh\u1eafc t\u1ed1i \u01b0u. Sau ph\u1ea3n \u1ee9ng, FeCl<sub>3<\/sub> chuy\u1ec3n th\u00e0nh FeCl<sub>2<\/sub>\n      v\u00e0 c\u00f3 th\u1ec3 t\u00e1i sinh b\u1eb1ng Cl<sub>2<\/sub>.<br>\n      <em>Ph\u1ea3n \u1ee9ng: 2FeCl<sub>3<\/sub> + Cu \u2192 2FeCl<sub>2<\/sub> + CuCl<sub>2<\/sub><\/em>\n    <\/li>\n\n    <li>\n      <strong>Lo\u1ea1i phosphate trong n\u01b0\u1edbc th\u1ea3i (Dephosphorization)<\/strong><br>\n      FeCl<sub>3<\/sub> 40% l\u1ecfng \u0111\u01b0\u1ee3c ch\u00e2m v\u00e0o b\u1ec3 sinh h\u1ecdc ho\u1eb7c b\u1ec3 l\u1eafng \u0111\u1ec3 k\u1ebft t\u1ee7a phosphate d\u01b0\u1edbi d\u1ea1ng\n      FePO<sub>4<\/sub>\u2193. T\u1ef7 l\u1ec7 mol Fe:P t\u1ed1i \u01b0u l\u00e0 1,5\u20132:1 t\u00f9y h\u00e0m l\u01b0\u1ee3ng phosphate \u0111\u1ea7u v\u00e0o. Ph\u01b0\u01a1ng ph\u00e1p\n      n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi n\u01b0\u1edbc th\u1ea3i ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, ch\u0103n nu\u00f4i v\u00e0 \u0111\u00f4 th\u1ecb c\u00f3 t\u1ea3i l\u01b0\u1ee3ng P cao,\n      gi\u00fap \u0111\u00e1p \u1ee9ng QCVN 40:2011 c\u1ed9t A (&lt;4 mg P\/L).\n    <\/li>\n\n    <li>\n      <strong>X\u1eed l\u00fd v\u00e0 t\u00e1ch n\u01b0\u1edbc b\u00f9n th\u1ea3i<\/strong><br>\n      Dung d\u1ecbch FeCl<sub>3<\/sub> 40% k\u1ebft h\u1ee3p v\u1edbi polymer (PAM) trong h\u1ec7 th\u1ed1ng m\u00e1y \u00e9p b\u00f9n (filter press,\n      belt press, centrifuge) gi\u00fap \u0111i\u1ec1u h\u00f2a b\u00f9n, t\u0103ng kh\u1ea3 n\u0103ng t\u00e1ch n\u01b0\u1edbc v\u00e0 gi\u1ea3m 30\u201340% th\u1ec3 t\u00edch b\u00f9n c\u1ea7n\n      x\u1eed l\u00fd. Li\u1ec1u FeCl<sub>3<\/sub> \u0111i\u1ec3n h\u00ecnh 3\u20138 kg\/t\u1ea5n b\u00f9n kh\u00f4, k\u1ebft h\u1ee3p PAM 0,5\u20132 kg\/t\u1ea5n.\n    <\/li>\n\n    <li>\n      <strong>D\u1ec7t nhu\u1ed9m \u2014 Ch\u1ea5t c\u1eafn m\u00e0u (Mordant)<\/strong><br>\n      Trong ng\u00e0nh d\u1ec7t nhu\u1ed9m, FeCl<sub>3<\/sub> 40% l\u1ecfng \u0111\u01b0\u1ee3c pha lo\u00e3ng th\u00eam \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 2\u20135% tr\u01b0\u1edbc khi\n      d\u00f9ng l\u00e0m ch\u1ea5t c\u1eafn m\u00e0u (mordant) gi\u00fap m\u00e0u thu\u1ed1c nhu\u1ed9m b\u00e1m ch\u1eafc v\u00e0o s\u1ee3i v\u1ea3i t\u1ef1 nhi\u00ean (cotton, linen,\n      len). V\u1ea3i \u0111\u01b0\u1ee3c ng\u00e2m trong dung d\u1ecbch mordant \u1edf 60\u201370\u00b0C trong 30\u201360 ph\u00fat tr\u01b0\u1edbc khi nhu\u1ed9m m\u00e0u, t\u1ea1o\n      gam m\u00e0u x\u00e1m, \u0111en ho\u1eb7c t\u00edm t\u00f9y lo\u1ea1i thu\u1ed1c nhu\u1ed9m k\u1ebft h\u1ee3p.\n    <\/li>\n\n    <li>\n      <strong>Ng\u00e0nh gi\u1ea5y &amp; b\u1ed9t gi\u1ea5y<\/strong><br>\n      FeCl<sub>3<\/sub> 40% d\u1ea1ng l\u1ecfng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y \u0111\u1ec3 kh\u1eed m\u00e0u n\u01b0\u1edbc th\u1ea3i quy tr\u00ecnh t\u1ea9y\n      tr\u1eafng, ki\u1ec3m so\u00e1t sinh tr\u01b0\u1edfng vi sinh v\u1eadt g\u00e2y nh\u1edbt (slime control) trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc tu\u1ea7n ho\u00e0n v\u00e0\n      keo t\u1ee5 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u1ea7u ra \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n x\u1ea3 th\u1ea3i. T\u00ednh linh ho\u1ea1t d\u1ea1ng l\u1ecfng gi\u00fap b\u01a1m \u0111\u1ecbnh\n      l\u01b0\u1ee3ng ch\u00ednh x\u00e1c theo t\u1ea3i l\u01b0\u1ee3ng th\u1ef1c t\u1ebf d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t.\n    <\/li>\n\n    <li>\n      <strong>S\u1ea3n xu\u1ea5t s\u1eaft(II) clorua (FeCl<sub>2<\/sub>)<\/strong><br>\n      FeCl<sub>3<\/sub> 40% l\u1ecfng l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ec3 t\u1ed5ng h\u1ee3p FeCl<sub>2<\/sub> trong c\u00f4ng nghi\u1ec7p h\u00f3a\n      ch\u1ea5t v\u00e0 luy\u1ec7n kim. S\u1eaft kim lo\u1ea1i (scrap iron ho\u1eb7c iron powder) ph\u1ea3n \u1ee9ng v\u1edbi FeCl<sub>3<\/sub> dung d\u1ecbch\n      t\u1ea1o ra FeCl<sub>2<\/sub> tan trong n\u01b0\u1edbc theo ph\u1ea3n \u1ee9ng kh\u1eed \u0111\u01a1n gi\u1ea3n.<br>\n      <em>Ph\u1ea3n \u1ee9ng: Fe + 2FeCl<sub>3<\/sub> \u2192 3FeCl<sub>2<\/sub><\/em>\n    <\/li>\n\n  <\/ol>\n\n  <div class=\"ai-passage\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n    <p class=\"ai-question\"><strong>C\u00e2u h\u1ecfi:<\/strong> FeCl<sub>3<\/sub> 40% d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n    <p itemprop=\"text\">\n      Dung d\u1ecbch FeCl<sub>3<\/sub> 40% l\u1ecfng c\u1ee7a H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ch\u1ee7\n      y\u1ebfu theo c\u01a1 ch\u1ebf keo t\u1ee5 (coagulation): ion Fe\u00b3\u207a t\u1eeb FeCl<sub>3<\/sub> th\u1ee7y ph\u00e2n ngay trong n\u01b0\u1edbc t\u1ea1o\n      th\u00e0nh b\u00f4ng keo Fe(OH)<sub>3<\/sub> mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng, h\u1ea5p ph\u1ee5 v\u00e0 k\u1ebft t\u1ee5 c\u00e1c h\u1ea1t l\u01a1 l\u1eedng, m\u00e0u,\n      ch\u1ea5t h\u1eefu c\u01a1, vi khu\u1ea9n v\u00e0 kim lo\u1ea1i n\u1eb7ng mang \u0111i\u1ec7n t\u00edch \u00e2m, sau \u0111\u00f3 l\u1eafng xu\u1ed1ng \u0111\u00e1y b\u1ec3 l\u1eafng. Ph\u1ea3n \u1ee9ng:\n      FeCl<sub>3<\/sub> + 3H<sub>2<\/sub>O \u2192 Fe(OH)<sub>3<\/sub>\u2193 + 3HCl. Li\u1ec1u ch\u00e2m \u0111i\u1ec3n h\u00ecnh cho n\u01b0\u1edbc th\u1ea3i\n      c\u00f4ng nghi\u1ec7p l\u00e0 20\u201350 mg FeCl<sub>3<\/sub>\/L, pH t\u1ed1i \u01b0u 6,5\u20138,0. \u0110\u1ed1i v\u1edbi lo\u1ea1i phosphate, li\u1ec1u d\u00f9ng\n      t\u00ednh theo t\u1ef7 l\u1ec7 mol Fe:P = 1,5\u20132:1. D\u1ea1ng l\u1ecfng 40% gi\u00fap b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng t\u1ef1 \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng\n      m\u00e0 kh\u00f4ng c\u1ea7n h\u00f2a tan th\u1ee7 c\u00f4ng, gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1eadn h\u00e0nh tr\u1ea1m x\u1eed l\u00fd.\n    <\/p>\n  <\/div>\n\n<\/section>\n<!-- \/SECTION B -->\n\n\n<!-- ============================================================\n     SECTION C \u2014 So s\u00e1nh FeCl\u2083 l\u1ecfng 38% vs 40%\n     ============================================================ -->\n<section id=\"so-sanh-fecl3-38-vs-40\">\n\n  <h2><span class=\"ez-toc-section\" id=\"FeCl3_38_hay_40_Lua_chon_nao_phu_hop\"><\/span>FeCl<sub>3<\/sub> 38% hay 40%: L\u1ef1a ch\u1ecdn n\u00e0o ph\u00f9 h\u1ee3p?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n  <p class=\"passage-answer\">\n    H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p dung d\u1ecbch FeCl<sub>3<\/sub> \u1edf c\u1ea3 hai n\u1ed3ng \u0111\u1ed9 th\u01b0\u01a1ng ph\u1ea9m ph\u1ed5 bi\u1ebfn l\u00e0 38%\n    v\u00e0 40% w\/w. M\u1eb7c d\u00f9 ch\u00eanh l\u1ec7ch n\u1ed3ng \u0111\u1ed9 ch\u1ec9 2%, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111i\u1ec3m\n    \u0111\u00f3ng b\u0103ng, \u0111\u1ed9 nh\u1edbt v\u00e0 nguy c\u01a1 k\u1ebft tinh \u2014 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn, nh\u1ea5t l\u00e0 \u0111\u1ed1i v\u1edbi\n    c\u00e1c nh\u00e0 m\u00e1y \u1edf mi\u1ec1n B\u1eafc v\u1eadn h\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n m\u00f9a \u0111\u00f4ng l\u1ea1nh ho\u1eb7c kho ch\u1ee9a kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng ki\u1ec3m\n    so\u00e1t nhi\u1ec7t \u0111\u1ed9. Vi\u1ec7c ch\u1ecdn \u0111\u00fang n\u1ed3ng \u0111\u1ed9 gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed v\u1eadn chuy\u1ec3n, v\u1eadn h\u00e0nh b\u01a1m v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n\n    l\u01b0u tr\u1eef quanh n\u0103m.\n  <\/p>\n\n  <table class=\"specs-table\">\n    <thead>\n      <tr>\n        <th>Ti\u00eau ch\u00ed<\/th>\n        <th>FeCl<sub>3<\/sub> 38%<\/th>\n        <th>FeCl<sub>3<\/sub> 40%<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>H\u00e0m l\u01b0\u1ee3ng FeCl<sub>3<\/sub><\/td>\n        <td>38% w\/w<\/td>\n        <td>40% w\/w<\/td>\n      <\/tr>\n      <tr>\n        <td>T\u1ef7 tr\u1ecdng (20\u00b0C)<\/td>\n        <td>~1,38 g\/cm\u00b3<\/td>\n        <td>~1,42 g\/cm\u00b3<\/td>\n      <\/tr>\n      <tr>\n        <td>pH (nguy\u00ean ch\u1ea5t)<\/td>\n        <td>~1,2\u20132,0<\/td>\n        <td>~1,0\u20132,0<\/td>\n      <\/tr>\n      <tr>\n        <td>\u0110i\u1ec3m \u0111\u00f3ng b\u0103ng<\/td>\n        <td>~-15\u00b0C<\/td>\n        <td>~-22\u00b0C<\/td>\n      <\/tr>\n      <tr>\n        <td>\u0110\u1ed9 nh\u1edbt (20\u00b0C)<\/td>\n        <td>~4\u20136 cP (lo\u00e3ng h\u01a1n, b\u01a1m d\u1ec5 h\u01a1n)<\/td>\n        <td>~5\u20138 cP (\u0111\u1eb7c h\u01a1n)<\/td>\n      <\/tr>\n      <tr>\n        <td>Chi ph\u00ed \/ \u0111\u01a1n v\u1ecb ho\u1ea1t ch\u1ea5t<\/td>\n        <td>Cao h\u01a1n nh\u1eb9 (ph\u1ea3i mua th\u00eam th\u1ec3 t\u00edch)<\/td>\n        <td>Kinh t\u1ebf h\u01a1n (ho\u1ea1t ch\u1ea5t cao h\u01a1n\/l\u00edt)<\/td>\n      <\/tr>\n      <tr>\n        <td>R\u1ee7i ro k\u1ebft tinh<\/td>\n        <td>Th\u1ea5p h\u01a1n \u1edf &lt;10\u00b0C<\/td>\n        <td>Cao h\u01a1n \u1edf &lt;10\u00b0C \u2014 c\u1ea7n l\u01b0u \u00fd mi\u1ec1n B\u1eafc m\u00f9a \u0111\u00f4ng<\/td>\n      <\/tr>\n      <tr>\n        <td>Ph\u00f9 h\u1ee3p cho m\u00f9a l\u1ea1nh (mi\u1ec1n B\u1eafc)<\/td>\n        <td>\u2714 T\u1ed1t h\u01a1n \u2014 an to\u00e0n t\u1edbi ~-15\u00b0C<\/td>\n        <td>\u26a0 C\u1ea7n b\u1ea3o \u00f4n b\u1ed3n n\u1ebfu &lt;10\u00b0C<\/td>\n      <\/tr>\n      <tr>\n        <td>Ph\u00f9 h\u1ee3p cho b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng<\/td>\n        <td>\u2714 R\u1ea5t t\u1ed1t \u2014 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n<\/td>\n        <td>\u2714 T\u1ed1t \u2014 c\u1ea7n ch\u1ecdn b\u01a1m \u0111\u1ee7 c\u00f4ng su\u1ea5t<\/td>\n      <\/tr>\n      <tr>\n        <td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/td>\n        <td>N\u01b0\u1edbc c\u1ea5p, n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb, mi\u1ec1n B\u1eafc m\u00f9a \u0111\u00f4ng<\/td>\n        <td>PCB etching, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, mi\u1ec1n Nam<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n\n  <p><strong>L\u01b0u \u00fd quan tr\u1ecdng cho kh\u00e1ch h\u00e0ng mi\u1ec1n B\u1eafc:<\/strong> Dung d\u1ecbch FeCl<sub>3<\/sub> 40% c\u00f3 \u0111i\u1ec3m\n  \u0111\u00f3ng b\u0103ng ~-22\u00b0C \u2014 v\u1ec1 l\u00fd thuy\u1ebft v\u1eabn an to\u00e0n \u1edf \u0111i\u1ec1u ki\u1ec7n m\u00f9a \u0111\u00f4ng mi\u1ec1n B\u1eafc Vi\u1ec7t Nam (nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t\n  th\u01b0\u1eddng -3\u00b0C \u0111\u1ebfn -5\u00b0C). Tuy nhi\u00ean \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 10\u00b0C, \u0111\u1ed9 nh\u1edbt t\u0103ng v\u00e0 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n k\u1ebft tinh c\u1ee5c\n  b\u1ed9 trong b\u1ed3n l\u01b0u tr\u1eef kh\u00f4ng \u0111\u1ea3o tr\u1ed9n. FeCl<sub>3<\/sub> 38% an to\u00e0n h\u01a1n trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y nh\u1edd \u0111i\u1ec3m\n  k\u1ebft tinh cao h\u01a1n (~-15\u00b0C so v\u1edbi ~-22\u00b0C) v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n\n  <div class=\"ai-passage\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n    <p class=\"ai-question\"><strong>C\u00e2u h\u1ecfi:<\/strong> N\u00ean d\u00f9ng FeCl<sub>3<\/sub> 38% hay 40% cho tr\u1ea1m x\u1eed l\u00fd n\u01b0\u1edbc?<\/p>\n    <p itemprop=\"text\">\n      L\u1ef1a ch\u1ecdn gi\u1eefa dung d\u1ecbch FeCl<sub>3<\/sub> 38% v\u00e0 40% cung c\u1ea5p b\u1edfi H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o\n      \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh v\u00e0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd. FeCl<sub>3<\/sub> 40% c\u00f3 m\u1eadt \u0111\u1ed9 ho\u1ea1t ch\u1ea5t cao h\u01a1n (1,42 g\/cm\u00b3)\n      n\u00ean kinh t\u1ebf h\u01a1n v\u1ec1 chi ph\u00ed v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u kho tr\u00ean \u0111\u01a1n v\u1ecb ho\u1ea1t ch\u1ea5t, ph\u00f9 h\u1ee3p cho c\u00e1c tr\u1ea1m x\u1eed l\u00fd\n      n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn \u1edf mi\u1ec1n Nam v\u00e0 mi\u1ec1n Trung n\u01a1i nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng xu\u1ed1ng th\u1ea5p d\u01b0\u1edbi 10\u00b0C.\n      FeCl<sub>3<\/sub> 38% ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c tr\u1ea1m x\u1eed l\u00fd n\u01b0\u1edbc c\u1ea5p sinh ho\u1ea1t, n\u01a1i y\u00eau c\u1ea7u li\u1ec1u nh\u1ecf v\u00e0\n      b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c, ho\u1eb7c c\u00e1c nh\u00e0 m\u00e1y mi\u1ec1n B\u1eafc v\u1eadn h\u00e0nh m\u00f9a \u0111\u00f4ng v\u00ec nguy c\u01a1 k\u1ebft tinh th\u1ea5p h\u01a1n\n      (\u0111i\u1ec3m \u0111\u00f3ng b\u0103ng -15\u00b0C so v\u1edbi -22\u00b0C) v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n gi\u00fap b\u01a1m ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. C\u1ea3 hai n\u1ed3ng \u0111\u1ed9\n      \u0111\u1ec1u c\u00f3 th\u1ec3 b\u01a1m tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng qua b\u01a1m peristaltic ho\u1eb7c diaphragm v\u1eadt li\u1ec7u PE\/PTFE.\n    <\/p>\n  <\/div>\n\n<\/section>\n<!-- \/SECTION C -->\n\n\n<!-- ============================================================\n     SECTION D \u2014 H\u01b0\u1edbng d\u1eabn pha lo\u00e3ng & li\u1ec1u d\u00f9ng FeCl\u2083 l\u1ecfng 40%\n     ============================================================ -->\n<section id=\"huong-dan-su-dung-fecl3-40\">\n\n  <h2><span class=\"ez-toc-section\" id=\"Huong_dan_su_dung_va_lieu_dung_FeCl3_40_thuc_te\"><\/span>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 li\u1ec1u d\u00f9ng FeCl<sub>3<\/sub> 40% th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n  <p class=\"passage-answer\">\n    \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a dung d\u1ecbch FeCl<sub>3<\/sub> 40% l\u1ecfng t\u1eeb H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean l\u00e0 t\u00ednh ti\u1ec7n l\u1ee3i v\u1eadn\n    h\u00e0nh: c\u00f3 th\u1ec3 b\u01a1m th\u1eb3ng v\u00e0o h\u1ec7 th\u1ed1ng x\u1eed l\u00fd qua b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng peristaltic ho\u1eb7c diaphragm m\u00e0 kh\u00f4ng c\u1ea7n\n    b\u1ea5t k\u1ef3 c\u00f4ng \u0111o\u1ea1n h\u00f2a tan hay pha ch\u1ebf th\u1ee7 c\u00f4ng n\u00e0o. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh v\u1eadn h\u00e0nh, gi\u1ea3m\n    ph\u01a1i nhi\u1ec5m h\u00f3a ch\u1ea5t cho c\u00f4ng nh\u00e2n v\u00e0 \u0111\u1ea3m b\u1ea3o li\u1ec1u ch\u00e2m ch\u00ednh x\u00e1c, \u1ed5n \u0111\u1ecbnh su\u1ed1t 24\/7. V\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng\n    d\u1ee5ng c\u1ea7n n\u1ed3ng \u0111\u1ed9 th\u1ea5p h\u01a1n, dung d\u1ecbch 40% c\u00f3 th\u1ec3 pha lo\u00e3ng \u0111\u01a1n gi\u1ea3n b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch trong b\u1ed3n HDPE ho\u1eb7c\n    b\u00ecnh PE tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.\n  <\/p>\n\n  <table class=\"specs-table\">\n    <thead>\n      <tr>\n        <th>\u1ee8ng d\u1ee5ng<\/th>\n        <th>C\u00e1ch d\u00f9ng \/ Pha lo\u00e3ng<\/th>\n        <th>Li\u1ec1u d\u00f9ng th\u1ef1c t\u1ebf<\/th>\n        <th>Ghi ch\u00fa<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>N\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p (keo t\u1ee5)<\/td>\n        <td>Pha lo\u00e3ng 1:5 \u2192 n\u1ed3ng \u0111\u1ed9 ~10% tr\u01b0\u1edbc khi ch\u00e2m<\/td>\n        <td>20\u201350 mg FeCl<sub>3<\/sub>\/L n\u01b0\u1edbc th\u1ea3i<\/td>\n        <td>pH t\u1ed1i \u01b0u 6,5\u20138,0; k\u1ebft h\u1ee3p PAC ho\u1eb7c PAM t\u0103ng hi\u1ec7u qu\u1ea3<\/td>\n      <\/tr>\n      <tr>\n        <td>N\u01b0\u1edbc c\u1ea5p sinh ho\u1ea1t<\/td>\n        <td>Pha lo\u00e3ng 1:10 \u2192 n\u1ed3ng \u0111\u1ed9 ~5% tr\u01b0\u1edbc khi ch\u00e2m<\/td>\n        <td>5\u201320 mg FeCl<sub>3<\/sub>\/L n\u01b0\u1edbc ngu\u1ed3n<\/td>\n        <td>Tu\u00e2n th\u1ee7 QCVN 01:2009\/BYT; ph\u1ed1i h\u1ee3p v\u1edbi v\u00f4i \u0111i\u1ec1u ch\u1ec9nh pH<\/td>\n      <\/tr>\n      <tr>\n        <td>PCB Etching (kh\u1eafc m\u1ea1ch in)<\/td>\n        <td><strong>D\u00f9ng tr\u1ef1c ti\u1ebfp 38\u201340%, kh\u00f4ng pha lo\u00e3ng<\/strong><\/td>\n        <td>B\u1ec3 ng\u00e2m\/phun; dung d\u1ecbch \u1edf 45\u201355\u00b0C<\/td>\n        <td>Thay dung d\u1ecbch khi [Fe\u00b2\u207a] &gt; 30 g\/L; c\u00f3 th\u1ec3 t\u00e1i sinh b\u1eb1ng Cl\u2082<\/td>\n      <\/tr>\n      <tr>\n        <td>D\u1ec7t nhu\u1ed9m \u2014 Mordant<\/td>\n        <td>Pha lo\u00e3ng 1:8 \u2192 n\u1ed3ng \u0111\u1ed9 ~5%<\/td>\n        <td>20\u201350 g FeCl<sub>3<\/sub>\/L dung d\u1ecbch mordant<\/td>\n        <td>Nhi\u1ec7t \u0111\u1ed9 ng\u00e2m 60\u201370\u00b0C, th\u1eddi gian 30\u201360 ph\u00fat\/m\u1ebb<\/td>\n      <\/tr>\n      <tr>\n        <td>Lo\u1ea1i phosphate n\u01b0\u1edbc th\u1ea3i<\/td>\n        <td>Pha lo\u00e3ng 1:5 r\u1ed3i ch\u00e2m v\u00e0o b\u1ec3 sinh h\u1ecdc\/b\u1ec3 l\u1eafng<\/td>\n        <td>T\u1ef7 l\u1ec7 mol Fe:P = 1,5\u20132:1<\/td>\n        <td>\u0110o P \u0111\u1ea7u v\u00e0o \u0111\u1ec3 t\u00ednh li\u1ec1u ch\u00ednh x\u00e1c; pH sau x\u1eed l\u00fd 6,5\u20137,5<\/td>\n      <\/tr>\n      <tr>\n        <td>B\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng t\u1ef1 \u0111\u1ed9ng (\u0111a \u1ee9ng d\u1ee5ng)<\/td>\n        <td><strong>D\u00f9ng tr\u1ef1c ti\u1ebfp nguy\u00ean ch\u1ea5t 40%<\/strong><\/td>\n        <td>C\u00e0i \u0111\u1eb7t theo l\u01b0u l\u01b0\u1ee3ng h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng bi\u1ebfn t\u1ea7n<\/td>\n        <td>B\u01a1m peristaltic ho\u1eb7c diaphragm; v\u1eadt li\u1ec7u \u0111\u1ea7u b\u01a1m PE\/PTFE\/Viton<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n\n  <h3><span class=\"ez-toc-section\" id=\"Huong_dan_pha_loang_tu_dung_dich_long_FeCl3_40\"><\/span>H\u01b0\u1edbng d\u1eabn pha lo\u00e3ng t\u1eeb dung d\u1ecbch l\u1ecfng FeCl<sub>3<\/sub> 40%<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n  <p><strong>Nguy\u00ean t\u1eafc an to\u00e0n:<\/strong> Lu\u00f4n \u0111\u1ed5 n\u01b0\u1edbc s\u1ea1ch v\u00e0o b\u00ecnh\/b\u1ed3n HDPE ho\u1eb7c PE tr\u01b0\u1edbc, sau \u0111\u00f3 th\u00eam\n  FeCl<sub>3<\/sub> 40% l\u1ecfng t\u1eeb t\u1eeb v\u00e0o n\u01b0\u1edbc, khu\u1ea5y \u0111\u1ec1u b\u1eb1ng khu\u1ea5y c\u01a1 h\u1ecdc ho\u1eb7c s\u1ee5c kh\u00ed. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng\n  l\u00e0m ng\u01b0\u1ee3c l\u1ea1i (\u0111\u1ed5 n\u01b0\u1edbc v\u00e0o axit\/FeCl<sub>3<\/sub>) v\u00ec c\u00f3 th\u1ec3 g\u00e2y b\u1eafn t\u00f3e. Kh\u00f4ng s\u1eed d\u1ee5ng b\u00ecnh, b\u1ed3n hay\n  d\u1ee5ng c\u1ee5 b\u1eb1ng th\u00e9p carbon th\u00f4ng th\u01b0\u1eddng, nh\u00f4m hay \u0111\u1ed3ng \u2014 ch\u1ec9 d\u00f9ng HDPE, PE, FRP ho\u1eb7c PVC.<\/p>\n\n  <p><strong>C\u00f4ng th\u1ee9c t\u00ednh th\u1ec3 t\u00edch FeCl<sub>3<\/sub> 40% c\u1ea7n d\u00f9ng:<\/strong><\/p>\n  <p>V(FeCl<sub>3<\/sub> 40%) = [C_mong_mu\u1ed1n (%) \u00d7 V_t\u1ed5ng (L)] \/ 40%<\/p>\n\n  <p><strong>V\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/strong><\/p>\n  <ul>\n    <li>Pha 100 L dung d\u1ecbch FeCl<sub>3<\/sub> <strong>10%<\/strong>:\n      V = (10% \u00d7 100 L) \/ 40% = <strong>25 L FeCl<sub>3<\/sub> 40%<\/strong> + <strong>75 L n\u01b0\u1edbc s\u1ea1ch<\/strong><\/li>\n    <li>Pha 200 L dung d\u1ecbch FeCl<sub>3<\/sub> <strong>5%<\/strong>:\n      V = (5% \u00d7 200 L) \/ 40% = <strong>25 L FeCl<sub>3<\/sub> 40%<\/strong> + <strong>175 L n\u01b0\u1edbc s\u1ea1ch<\/strong><\/li>\n    <li>Pha 50 L dung d\u1ecbch FeCl<sub>3<\/sub> <strong>20%<\/strong>:\n      V = (20% \u00d7 50 L) \/ 40% = <strong>25 L FeCl<sub>3<\/sub> 40%<\/strong> + <strong>25 L n\u01b0\u1edbc s\u1ea1ch<\/strong><\/li>\n  <\/ul>\n\n  <div class=\"ai-passage\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n    <p class=\"ai-question\"><strong>C\u00e2u h\u1ecfi:<\/strong> Li\u1ec1u d\u00f9ng FeCl<sub>3<\/sub> 40% \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p l\u00e0 bao nhi\u00eau?<\/p>\n    <p itemprop=\"text\">\n      Li\u1ec1u d\u00f9ng dung d\u1ecbch FeCl<sub>3<\/sub> 40% l\u1ecfng c\u1ee7a H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p\n      th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 20 \u0111\u1ebfn 50 mg\/L t\u00ednh theo FeCl<sub>3<\/sub>, t\u00f9y thu\u1ed9c v\u00e0o h\u00e0m l\u01b0\u1ee3ng c\u1eb7n l\u01a1 l\u1eedng,\n      m\u00e0u v\u00e0 COD c\u1ee7a n\u01b0\u1edbc th\u1ea3i \u0111\u1ea7u v\u00e0o. pH t\u1ed1i \u01b0u cho qu\u00e1 tr\u00ecnh keo t\u1ee5 l\u00e0 6,5\u20138,0; n\u1ebfu pH n\u01b0\u1edbc th\u1ea3i th\u1ea5p\n      h\u01a1n c\u1ea7n b\u1ed5 sung v\u00f4i ho\u1eb7c NaOH \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh tr\u01b0\u1edbc. \u0110\u1ec3 x\u1eed l\u00fd phosphate, li\u1ec1u t\u00ednh theo t\u1ef7 l\u1ec7 mol\n      Fe:P = 1,5\u20132:1 so v\u1edbi h\u00e0m l\u01b0\u1ee3ng P \u0111\u1ea7u v\u00e0o. Trong v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf, dung d\u1ecbch 40% th\u01b0\u1eddng \u0111\u01b0\u1ee3c pha\n      lo\u00e3ng xu\u1ed1ng 10% (t\u1ef7 l\u1ec7 1:5) b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch trong b\u1ed3n HDPE tr\u01b0\u1edbc khi ch\u00e2m \u0111\u1ecbnh l\u01b0\u1ee3ng, gi\u00fap ki\u1ec3m so\u00e1t\n      li\u1ec1u ch\u00ednh x\u00e1c h\u01a1n. B\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng peristaltic ho\u1eb7c diaphragm v\u1eadt li\u1ec7u PE\/PTFE c\u00f3 th\u1ec3 b\u01a1m tr\u1ef1c ti\u1ebfp\n      dung d\u1ecbch 40% nguy\u00ean ch\u1ea5t cho c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn kh\u00f4ng c\u1ea7n pha lo\u00e3ng. Li\u1ec1u th\u1ef1c t\u1ebf c\u1ea7n x\u00e1c \u0111\u1ecbnh qua\n      th\u1eed nghi\u1ec7m Jar Test v\u1edbi m\u1eabu n\u01b0\u1edbc th\u1ea3i c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh cho h\u1ec7 th\u1ed1ng.\n    <\/p>\n  <\/div>\n\n<\/section>\n<!-- \/SECTION D -->","protected":false},"excerpt":{"rendered":"<p>FeCl3 (S\u1eaft (III) Clorua), c\u00f2n g\u1ecdi l\u00e0 Ferric Chloride, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 quan tr\u1ecdng c\u00f3 m\u00e3 CAS 7705\u201308\u20130. H\u00f3a ch\u1ea5t n\u00e0y c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in, v\u00e0 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nh\u1edd t\u00ednh ch\u1ea5t keo t\u1ee5, oxy h\u00f3a m\u1ea1nh v\u00e0 kh\u1ea3 [&#8230;]\n","protected":false},"author":2,"featured_media":3371,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/3368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=3368"}],"version-history":[{"count":8,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/3368\/revisions"}],"predecessor-version":[{"id":9139,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/3368\/revisions\/9139"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media\/3371"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=3368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=3368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=3368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}