{"id":827,"date":"2023-11-10T01:51:30","date_gmt":"2023-11-10T01:51:30","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=827"},"modified":"2026-07-06T03:03:11","modified_gmt":"2026-07-05T20:03:11","slug":"phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat","title":{"rendered":"Ph\u00e2n Bi\u1ec7t FeCl2 V\u00e0 FeCl3? C\u00e1c \u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt"},"content":{"rendered":"<section id=\"so-sanh-nhanh\" style=\"background:#f8f9fa;border-left:4px solid #2e7d32;padding:16px 20px;margin-bottom:24px;\">\n<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\">\u5185\u5bb9<\/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;\">\u5207\u6362<\/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\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#%E2%9A%A1_Bang_So_Sanh_Nhanh_FeCl2_vs_FeCl3\" title=\"&#9889; B\u1ea3ng So S\u00e1nh Nhanh: FeCl2 vs FeCl3\">&#9889; B\u1ea3ng So S\u00e1nh Nhanh: FeCl2 vs FeCl3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#So_Sanh_Diem_Giong_Va_Khac_Nhau_Cua_FeCl2_Va_FeCl3\" title=\"So S\u00e1nh \u0110i\u1ec3m Gi\u1ed1ng V\u00e0 Kh\u00e1c Nhau C\u1ee7a FeCl2 V\u00e0 FeCl3\">So S\u00e1nh \u0110i\u1ec3m Gi\u1ed1ng V\u00e0 Kh\u00e1c Nhau C\u1ee7a FeCl2 V\u00e0 FeCl3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl2_Va_FeCl3_%E2%80%93_Diem_Giong_Nhau\" title=\"FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Gi\u1ed1ng Nhau\">FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Gi\u1ed1ng Nhau<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#So_Sanh_FeCl2_Va_FeCl3_%E2%80%93_Diem_Khac_Biet_Quan_Trong\" title=\"So S\u00e1nh FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Quan Tr\u1ecdng\">So S\u00e1nh FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Quan Tr\u1ecdng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Phan_Ung_Chuyen_Doi_FeCl2_Thanh_FeCl3\" title=\"Ph\u1ea3n \u1ee8ng Chuy\u1ec3n \u0110\u1ed5i FeCl2 Th\u00e0nh FeCl3\">Ph\u1ea3n \u1ee8ng Chuy\u1ec3n \u0110\u1ed5i FeCl2 Th\u00e0nh FeCl3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Cach_Nhan_Biet_FeCl2_Va_FeCl3_Trong_Phong_Thi_Nghiem\" title=\"C\u00e1ch Nh\u1eadn Bi\u1ebft FeCl2 V\u00e0 FeCl3 Trong Ph\u00f2ng Th\u00ed Nghi\u1ec7m\">C\u00e1ch Nh\u1eadn Bi\u1ebft FeCl2 V\u00e0 FeCl3 Trong Ph\u00f2ng Th\u00ed Nghi\u1ec7m<\/a><\/li><\/ul><\/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\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Ung_Dung_Cua_FeCl2_Va_FeCl3_Trong_Cong_Nghiep\" title=\"\u1ee8ng D\u1ee5ng C\u1ee7a FeCl2 V\u00e0 FeCl3 Trong C\u00f4ng Nghi\u1ec7p\">\u1ee8ng D\u1ee5ng C\u1ee7a FeCl2 V\u00e0 FeCl3 Trong C\u00f4ng Nghi\u1ec7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl2_%E2%80%93_Ung_Dung_Chinh\" title=\"FeCl2 &#8211; \u1ee8ng D\u1ee5ng Ch\u00ednh\">FeCl2 &#8211; \u1ee8ng D\u1ee5ng Ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl3_%E2%80%93_Ung_Dung_Rong_Rai_Hon\" title=\"FeCl3 &#8211; \u1ee8ng D\u1ee5ng R\u1ed9ng R\u00e3i H\u01a1n\">FeCl3 &#8211; \u1ee8ng D\u1ee5ng R\u1ed9ng R\u00e3i H\u01a1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl2_Hay_FeCl3_%E2%80%93_Nen_Chon_Loai_Nao\" title=\"FeCl2 Hay FeCl3 &#8211; N\u00ean Ch\u1ecdn Lo\u1ea1i N\u00e0o?\">FeCl2 Hay FeCl3 &#8211; N\u00ean Ch\u1ecdn Lo\u1ea1i N\u00e0o?<\/a><\/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\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Hoa_Chat_FeCl2\" title=\"H\u00f3a Ch\u1ea5t FeCl2\">H\u00f3a Ch\u1ea5t FeCl2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Ung_Dung_Noi_Bat_Cua_FeCl2\" title=\"\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl2\">\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Hoa_chat_FeCl3\" title=\"H\u00f3a ch\u1ea5t FeCl3\">H\u00f3a ch\u1ea5t FeCl3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Ung_Dung_Noi_Bat_Cua_FeCl3\" title=\"\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl3\">\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Khi_Nao_Chon_FeCl2_Khi_Nao_Chon_FeCl3\" title=\"Khi N\u00e0o Ch\u1ecdn FeCl2? Khi N\u00e0o Ch\u1ecdn FeCl3?\">Khi N\u00e0o Ch\u1ecdn FeCl2? Khi N\u00e0o Ch\u1ecdn FeCl3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Loi_Ket\" title=\"L\u1eddi K\u1ebft\">L\u1eddi K\u1ebft<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl2_va_FeCl3_co_doc_khong_Chung_co_gay_anh_huong_den_suc_khoe_va_moi_truong_khong\" title=\"FeCl2 v\u00e0 FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng? Ch\u00fang c\u00f3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?\">FeCl2 v\u00e0 FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng? Ch\u00fang c\u00f3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#Tai_sao_FeCl2_de_bi_oxy_hoa_thanh_FeCl3_trong_khong_khi_Co_cach_nao_de_bao_quan_FeCl2_lau_hon_khong\" title=\"T\u1ea1i sao FeCl2 d\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 trong kh\u00f4ng kh\u00ed? C\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1ea3o qu\u1ea3n FeCl2 l\u00e2u h\u01a1n kh\u00f4ng?\">T\u1ea1i sao FeCl2 d\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 trong kh\u00f4ng kh\u00ed? C\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1ea3o qu\u1ea3n FeCl2 l\u00e2u h\u01a1n kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl3_co_the_thay_the_FeCl2_trong_xu_ly_nuoc_thai_khong_Lua_chon_nao_hieu_qua_hon\" title=\"FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf FeCl2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00f4ng? L\u1ef1a ch\u1ecdn n\u00e0o hi\u1ec7u qu\u1ea3 h\u01a1n?\">FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf FeCl2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00f4ng? L\u1ef1a ch\u1ecdn n\u00e0o hi\u1ec7u qu\u1ea3 h\u01a1n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl3_co_the_an_mon_kim_loai_nao_Cach_bao_ve_thiet_bi_khi_su_dung_FeCl3\" title=\"FeCl3 c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i n\u00e0o? C\u00e1ch b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb khi s\u1eed d\u1ee5ng FeCl3?\">FeCl3 c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i n\u00e0o? C\u00e1ch b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb khi s\u1eed d\u1ee5ng FeCl3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hoachatlocthien.com\/zh\/phan-biet-fecl2-va-fecl3-cac-ung-dung-noi-bat\/#FeCl2_co_the_khu_FeCl3_thanh_FeCl2_khong_Dieu_kien_can_de_FeCl3_chuyen_thanh_FeCl2\" title=\"FeCl2 c\u00f3 th\u1ec3 kh\u1eed FeCl3 th\u00e0nh FeCl2 kh\u00f4ng? \u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 FeCl3 chuy\u1ec3n th\u00e0nh FeCl2?\">FeCl2 c\u00f3 th\u1ec3 kh\u1eed FeCl3 th\u00e0nh FeCl2 kh\u00f4ng? \u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 FeCl3 chuy\u1ec3n th\u00e0nh FeCl2?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 style=\"margin-top:0;color:#2e7d32;\"><span class=\"ez-toc-section\" id=\"%E2%9A%A1_Bang_So_Sanh_Nhanh_FeCl2_vs_FeCl3\"><\/span>&#9889; B\u1ea3ng So S\u00e1nh Nhanh: FeCl2 vs FeCl3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"width:100%;border-collapse:collapse;font-size:14px;\">\n<tr style=\"background:#2e7d32;color:#fff;\"><th style=\"padding:8px;text-align:left;\">\u6807\u51c6<\/th><th style=\"padding:8px;\">FeCl2 (s\u1eaft 2 clorua)<\/th><th style=\"padding:8px;\">FeCl3 (s\u1eaft 3 clorua)<\/th><\/tr>\n<tr style=\"background:#fff;\"><td style=\"padding:8px;border:1px solid #ddd;\">H\u00f3a tr\u1ecb Fe<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">+2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">+3<\/td><\/tr>\n<tr style=\"background:#f5f5f5;\"><td style=\"padding:8px;border:1px solid #ddd;\">M\u00e0u dung d\u1ecbch<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Xanh l\u1ee5c nh\u1ea1t<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">N\u00e2u \u0111\u1ecf<\/td><\/tr>\n<tr style=\"background:#fff;\"><td style=\"padding:8px;border:1px solid #ddd;\">T\u00ednh ch\u1ea5t<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">D\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh Fe3+<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">B\u1ec1n h\u01a1n trong kh\u00f4ng kh\u00ed<\/td><\/tr>\n<tr style=\"background:#f5f5f5;\"><td style=\"padding:8px;border:1px solid #ddd;\">Kh\u1ea3 n\u0103ng keo t\u1ee5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Trung b\u00ecnh<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u1ea1nh<\/td><\/tr>\n<tr style=\"background:#fff;\"><td style=\"padding:8px;border:1px solid #ddd;\">\u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Kh\u1eed Cr6+, ki\u1ec3m so\u00e1t H2S<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Keo t\u1ee5 n\u01b0\u1edbc th\u1ea3i, t\u1ea9y PCB<\/td><\/tr>\n<\/table>\n<p style=\"margin:8px 0 0;font-size:13px;color:#666;\"><em>Xem chi ti\u1ebft t\u1eebng h\u00f3a ch\u1ea5t trong c\u00e1c ph\u1ea7n b\u00ean d\u01b0\u1edbi.<\/em><\/p>\n<\/section><p>FeCl2 v\u00e0 FeCl3 l\u00e0 hai h\u1ee3p ch\u1ea5t ph\u1ed5 bi\u1ebfn trong <strong>x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<\/strong>, thu\u1ed9c nh\u00f3m mu\u1ed1i s\u1eaft v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng oxy h\u00f3a &#8211; kh\u1eed m\u1ea1nh. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn nh\u1ea7m l\u1eabn gi\u1eefa hai h\u00f3a ch\u1ea5t n\u00e0y do t\u00ednh ch\u1ea5t v\u00e0 c\u00f4ng d\u1ee5ng t\u01b0\u01a1ng \u0111\u1ed1i gi\u1ed1ng nhau. <strong>L\u00e0m sao \u0111\u1ec3 ph\u00e2n bi\u1ec7t FeCl2 v\u00e0 FeCl3?<\/strong> Ch\u00fang c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng g\u00ec trong th\u1ef1c t\u1ebf? H\u00e3y c\u00f9ng <strong>\u6d1b\u5929\u5316\u5de5<\/strong> kh\u00e1m ph\u00e1 chi ti\u1ebft ngay sau \u0111\u00e2y.\n<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_Sanh_Diem_Giong_Va_Khac_Nhau_Cua_FeCl2_Va_FeCl3\"><\/span>So S\u00e1nh \u0110i\u1ec3m Gi\u1ed1ng V\u00e0 Kh\u00e1c Nhau C\u1ee7a FeCl2 V\u00e0 FeCl3<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl2_Va_FeCl3_%E2%80%93_Diem_Giong_Nhau\"><\/span><strong>FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Gi\u1ed1ng Nhau<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\nTr\u01b0\u1edbc khi \u0111i v\u00e0o chi ti\u1ebft t\u1eebng h\u1ee3p ch\u1ea5t, ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng c\u1ee7a FeCl2 v\u00e0 FeCl3:\n<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u1ec1u l\u00e0 h\u1ee3p ch\u1ea5t clorua c\u1ee7a s\u1eaft<\/strong> v\u1edbi c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc t\u01b0\u01a1ng \u1ee9ng:<ul class=\"wp-block-list\"><li><strong>FeCl2<\/strong>: S\u1eaft(II) Clorua<\/li>\n\n<li><strong>\u4e09\u6c2f\u5316\u94c1<\/strong>: S\u1eaft(III) Clorua<\/li><\/ul><\/li>\n\n<li>C\u00f3 kh\u1ea3 n\u0103ng tan t\u1ed1t trong n\u01b0\u1edbc, t\u1ea1o ra c\u00e1c dung d\u1ecbch mu\u1ed1i clorua.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t b\u1ea9n th\u00f4ng qua qu\u00e1 tr\u00ecnh keo t\u1ee5.<\/li>\n\n<li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh in \u1ea5n, s\u1ea3n xu\u1ea5t thu\u1ed1c tr\u1eeb s\u00e2u, d\u1ec7t nhu\u1ed9m, v\u00e0 t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc.<\/li>\n\n<li>Tham gia c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a &#8211; kh\u1eed, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_Sanh_FeCl2_Va_FeCl3_%E2%80%93_Diem_Khac_Biet_Quan_Trong\"><\/span>So S\u00e1nh FeCl2 V\u00e0 FeCl3 &#8211; \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Quan Tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>M\u00e0u s\u1eafc<\/strong><\/td><td>Xanh l\u1ee5c ho\u1eb7c v\u00e0ng l\u1ee5c<\/td><td>N\u00e2u v\u00e0ng ho\u1eb7c n\u00e2u \u0111\u1eadm<\/td><\/tr><tr><td><strong>\u5316\u5b66\u6027\u8d28<\/strong><\/td><td>D\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed<\/td><td>C\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh h\u01a1n FeCl2<\/td><\/tr><tr><td><strong>\u6eb6\u89e3\u5ea6<\/strong><\/td><td>D\u1ec5 tan trong n\u01b0\u1edbc, t\u1ea1o dung d\u1ecbch xanh nh\u1ea1t<\/td><td>R\u1ea5t tan trong n\u01b0\u1edbc, t\u1ecfa nhi\u1ec7t khi h\u00f2a tan<\/td><\/tr><tr><td><strong>Kh\u1ea3 n\u0103ng keo t\u1ee5 n\u01b0\u1edbc th\u1ea3i<\/strong><\/td><td>Hi\u1ec7u qu\u1ea3 th\u1ea5p h\u01a1n, d\u1ec5 b\u1ecb bi\u1ebfn \u0111\u1ed5i th\u00e0nh FeCl3<\/td><td>Kh\u1ea3 n\u0103ng k\u1ebft t\u1ee7a cao h\u01a1n, x\u1eed l\u00fd n\u01b0\u1edbc hi\u1ec7u qu\u1ea3 h\u01a1n<\/td><\/tr><tr><td><strong>M\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n<\/strong><\/td><td>\u00cdt \u0103n m\u00f2n h\u01a1n FeCl3<\/td><td>D\u1ec5 \u0103n m\u00f2n kim lo\u1ea1i, c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5m m\u00e0u n\u01b0\u1edbc<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_Ung_Chuyen_Doi_FeCl2_Thanh_FeCl3\"><\/span><strong>Ph\u1ea3n \u1ee8ng Chuy\u1ec3n \u0110\u1ed5i FeCl2 Th\u00e0nh FeCl3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nFeCl2 c\u00f3 th\u1ec3 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 oxy ho\u1eb7c ch\u1ea5t oxy h\u00f3a m\u1ea1nh. Ph\u1ea3n \u1ee9ng nh\u01b0 sau:\n<\/p><ul class=\"wp-block-list\"><li>4FeCl2\u200b+O2\u200b+4HCl\u21924FeCl3\u200b+2H2\u200bO<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_Nhan_Biet_FeCl2_Va_FeCl3_Trong_Phong_Thi_Nghiem\"><\/span><strong>C\u00e1ch Nh\u1eadn Bi\u1ebft FeCl2 V\u00e0 FeCl3 Trong Ph\u00f2ng Th\u00ed Nghi\u1ec7m<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>D\u00f9ng dung d\u1ecbch KSCN (Kali thiocyanat):<\/strong><ul class=\"wp-block-list\"><li><strong>\u4e09\u6c2f\u5316\u94c1<\/strong> t\u1ea1o k\u1ebft t\u1ee7a \u0111\u1ecf m\u00e1u (Fe(SCN)3).<\/li>\n\n<li><strong>FeCl2<\/strong> kh\u00f4ng ph\u1ea3n \u1ee9ng.<\/li><\/ul><\/li>\n\n<li><strong>Th\u1eed b\u1eb1ng NaOH:<\/strong><ul class=\"wp-block-list\"><li><strong>FeCl2<\/strong> t\u1ea1o k\u1ebft t\u1ee7a Fe(OH)2 m\u00e0u tr\u1eafng xanh.<\/li>\n\n<li><strong>\u4e09\u6c2f\u5316\u94c1<\/strong> t\u1ea1o k\u1ebft t\u1ee7a Fe(OH)3 m\u00e0u n\u00e2u \u0111\u1ecf.<\/li><\/ul><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_Dung_Cua_FeCl2_Va_FeCl3_Trong_Cong_Nghiep\"><\/span><strong>\u1ee8ng D\u1ee5ng C\u1ee7a FeCl2 V\u00e0 FeCl3 Trong C\u00f4ng Nghi\u1ec7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl2_%E2%80%93_Ung_Dung_Chinh\"><\/span><strong>FeCl2 &#8211; \u1ee8ng D\u1ee5ng Ch\u00ednh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u5e9f\u6c34\u5904\u7406<\/strong>: Lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng v\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 nh\u1edd t\u00ednh kh\u1eed.<\/li>\n\n<li><strong>T\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc<\/strong>: L\u00e0m ch\u1ea5t kh\u1eed trong c\u00e1c ph\u1ea3n \u1ee9ng h\u1eefu c\u01a1.<\/li>\n\n<li><strong>D\u1ec7t nhu\u1ed9m<\/strong>: Gi\u1eef m\u00e0u v\u1ea3i v\u00e0 t\u1ea1o b\u1ec1 m\u1eb7t b\u1ec1n h\u01a1n.<\/li>\n\n<li><strong>S\u1ea3n xu\u1ea5t m\u1ef1c in &amp; etching<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p in.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl3_%E2%80%93_Ung_Dung_Rong_Rai_Hon\"><\/span><strong>FeCl3 &#8211; \u1ee8ng D\u1ee5ng R\u1ed9ng R\u00e3i H\u01a1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u5e9f\u6c34\u5904\u7406<\/strong>: Lo\u1ea1i b\u1ecf photphat v\u00e0 t\u1ea1p ch\u1ea5t, gi\u00fap l\u00e0m trong n\u01b0\u1edbc.<\/li>\n\n<li><strong>Ng\u00e0nh in \u1ea5n<\/strong>: L\u00e0m ch\u1ea5t kh\u1eafc m\u1ea1ch \u0111i\u1ec7n t\u1eed v\u00e0 x\u1eed l\u00fd b\u1ea3n in kh\u1eafc.<\/li>\n\n<li><strong>C\u00f4ng nghi\u1ec7p d\u1ec7t may<\/strong>: L\u00e0m ch\u1ea5t c\u1ea7m m\u00e0u trong qu\u00e1 tr\u00ecnh nhu\u1ed9m v\u1ea3i.<\/li>\n\n<li><strong>S\u1ea3n xu\u1ea5t nh\u1ef1a PVC<\/strong>: L\u00e0 ch\u1ea5t x\u00fac t\u00e1c t\u1ed5ng h\u1ee3p nh\u1ef1a.<\/li>\n\n<li><strong>Trong y h\u1ecdc<\/strong>: D\u00f9ng \u0111\u1ec3 c\u1ea7m m\u00e1u nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m \u0111\u00f4ng hi\u1ec7u qu\u1ea3.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl2_Hay_FeCl3_%E2%80%93_Nen_Chon_Loai_Nao\"><\/span><strong>FeCl2 Hay FeCl3 &#8211; N\u00ean Ch\u1ecdn Lo\u1ea1i N\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nVi\u1ec7c l\u1ef1a ch\u1ecdn <strong>FeCl2 hay FeCl3<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:\n<\/p><ul class=\"wp-block-list\"><li>N\u1ebfu c\u1ea7n ch\u1ea5t keo t\u1ee5 m\u1ea1nh cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u279d FeCl3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u.<\/li>\n\n<li>N\u1ebfu c\u1ea7n ch\u1ea5t kh\u1eed trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c x\u1eed l\u00fd n\u01b0\u1edbc nh\u1eb9 nh\u00e0ng h\u01a1n \u279d FeCl2 s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n.<\/li>\n\n<li>FeCl2 \u00edt g\u00e2y \u0103n m\u00f2n h\u01a1n FeCl3, n\u00ean \u0111\u01b0\u1ee3c \u01b0u ti\u00ean n\u1ebfu mu\u1ed1n gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng l\u00ean thi\u1ebft b\u1ecb kim lo\u1ea1i.<\/li><\/ul><p><strong>Gi\u00e1 th\u00e0nh<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>FeCl2<\/strong> th\u01b0\u1eddng r\u1ebb h\u01a1n FeCl3, nh\u01b0ng kh\u1ea3 n\u0103ng k\u1ebft t\u1ee7a kh\u00f4ng m\u1ea1nh b\u1eb1ng.<\/li>\n\n<li><strong>\u4e09\u6c2f\u5316\u94c1<\/strong> c\u00f3 gi\u00e1 cao h\u01a1n nh\u01b0ng hi\u1ec7u su\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc t\u1ed1t h\u01a1n.<\/li><\/ul><p><strong>Xem th\u00eam:<\/strong><\/p><ul class=\"wp-block-list\"><li><a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-sat-ii-clorua\/\">Gi\u00e1 FeCl2<\/a><\/li>\n\n<li><a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl3-sat-iii-chloride\/\">Gi\u00e1 FeCL3<\/a><\/li>\n\n<li><a href=\"https:\/\/hoachatlocthien.com\/zh\/sat-clorua-fecl2-fecl3\/\">Gi\u00e1 FeCL<\/a><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hoa_Chat_FeCl2\"><\/span>H\u00f3a Ch\u1ea5t FeCl2<span class=\"ez-toc-section-end\"><\/span><\/h2><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\/2023\/11\/FeCl2-va-FeCl3-1.png\" alt=\"FeCl2 v\u00e0 FeCl3\" class=\"wp-image-832 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-1.png 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-1-500x365.png 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><figcaption class=\"wp-element-caption\">M\u00e0u l\u1ee5c c\u1ee7a FeCl2 l\u1ecfng<\/figcaption><\/figure><\/div><ul class=\"wp-block-list\"><li>S\u1eaft (II) chlorua (FeCl2) hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 ph\u00e8n s\u1eaft 2.<\/li>\n\n<li>FeCl2 d\u1ea1ng r\u1eafn c\u00f3 m\u00e0u l\u1ee5c nh\u1ea1t, ho\u1eb7c m\u00e0u v\u00e0ng l\u1ee5c d\u1ea1ng ng\u1eadm n\u01b0\u1edbc.<\/li>\n\n<li>Trong kh\u00f4ng kh\u00ed FeCl2 d\u1ec5 b\u1ecb ch\u1ea3y r\u1eeda v\u00e0 oxy h\u00f3a th\u00e0nh S\u1eaft (III) chlorua<\/li>\n\n<li>FeCl2 c\u00f3 t\u00ednh kh\u1eed v\u00e0 oxi h\u00f3a m\u1ea1nh.<\/li><\/ul><p><strong>T\u00ecm hi\u1ec3u chuy\u00ean s\u00e2u th\u00eam:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-la-gi-ung-dung-noi-bat-cua-fecl2\/\">FeCL2 l\u00e0 g\u00ec<\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_Dung_Noi_Bat_Cua_FeCl2\"><\/span>\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl2<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p:<\/strong> nh\u01b0 xi m\u1ea1, d\u1ec7t nhu\u1ed9m, ch\u0103n nu\u00f4i, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1ec7nh vi\u1ec7n, \u2026 qua kh\u1ea3 n\u0103ng k\u1ebft t\u1ee5 t\u1ea1p ch\u1ea5t t\u1ea1o ra flocculant.<\/li>\n\n<li><strong>Trong ph\u00f2ng th\u00ed nghi\u1ec7m:<\/strong> S\u1eaft (II) Chloride c\u00f2n d\u00f9ng \u0111\u1ec3 c\u00f2n d\u00f9ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 hay t\u1ea1o ra FeCl3. FeCl2 c\u00f2n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t kh\u1eed c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng oxy h\u00f3a, khi\u1ebfn cho c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 kh\u00f4ng b\u1ecb bi\u1ebfn \u0111\u1ed5i th\u00e0nh ch\u1ea5t kh\u00e1c.<\/li>\n\n<li><strong>Ch\u1ebf bi\u1ebfn m\u1ef1c in:<\/strong> ph\u00e8n s\u1eaft 2 \u0111\u1ec3 ch\u1ebf t\u1ea1o m\u1ef1c in etching trong c\u00f4ng nghi\u1ec7p in \u1ea5n.<\/li>\n\n<li><strong>\u1ede c\u00e1c d\u1ea1ng kh\u00e1c<\/strong>, FeCl2 c\u00f2n c\u00f3 c\u00f4ng d\u1ee5ng nh\u01b0:<ul class=\"wp-block-list\"><li>L\u00e0m th\u00e0nh ph\u1ea7n ph\u1ee5 gia trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o thu\u1ed1c tr\u1eeb s\u00e2u<\/li>\n\n<li>L\u00e0 ch\u1ea5t gi\u1eef m\u00e0u t\u1ed1t trong ng\u00e0nh s\u1ea3n xu\u1ea5t d\u1ec7t v\u00e0 nhu\u1ed9m v\u1ea3i<\/li><\/ul><\/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\/2023\/11\/FeCl2-va-FeCl3-3.png\" alt=\"FeCl2 v\u00e0 FeCl3\" class=\"wp-image-834 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-3.png 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-3-500x365.png 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><figcaption class=\"wp-element-caption\">FeCl2 gi\u00fap keo t\u1ee5 n\u01b0\u1edbc th\u1ea3i<\/figcaption><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hoa_chat_FeCl3\"><\/span>H\u00f3a ch\u1ea5t FeCl3<span class=\"ez-toc-section-end\"><\/span><\/h2><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\/2023\/11\/FeCl2-va-FeCl3-4.png\" alt=\"FeCl3\" class=\"wp-image-835 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-4.png 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-4-500x365.png 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><figcaption class=\"wp-element-caption\">Dung d\u1ecbch FeCl3<\/figcaption><\/figure><\/div><ul class=\"wp-block-list\"><li>FeCl3, hay c\u00f2n g\u1ecdi l\u00e0 S\u1eaft (III) Chlorua, Ph\u00e8n s\u1eaft 3, Ferric Chloride, l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t n\u1ed5i b\u1eadt v\u1edbi c\u00f4ng d\u1ee5ng keo t\u1ee5, t\u1ea1o b\u00f4ng ph\u1ed5 bi\u1ebfn trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/li>\n\n<li>C\u00f3 m\u00e0u v\u00e0ng n\u00e2u \u1edf d\u1ea1ng khan, c\u00f3 h\u00ecnh v\u1ea9y tinh th\u1ec3 ho\u1eb7c phi\u1ebfn 6 m\u1eb7t.<\/li>\n\n<li>FeCl3 tan \u0111\u01b0\u1ee3c trong n\u01b0\u1edbc, etanol, ete, glixerin. Khi tan trong n\u01b0\u1edbc s\u1ebd t\u1ecfa nhi\u1ec7t.<\/li><\/ul><p><strong>T\u00ecm hi\u1ec3u chuy\u00ean s\u00e2u th\u00eam:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/zh\/hoa-chat-fecl3-la-gi-tinh-chat-ung-dung-va-noi-mua-fecl3\/\">FeCL3 l\u00e0 g\u00ec<\/a><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_Dung_Noi_Bat_Cua_FeCl3\"><\/span>\u1ee8ng D\u1ee5ng N\u1ed5i B\u1eadt C\u1ee7a FeCl3<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>Trong c\u00f4ng nghi\u1ec7p<\/strong>, s\u1eaft (III) Chlorua c\u00f3 nh\u1eefng c\u00f4ng d\u1ee5ng sau:<ul class=\"wp-block-list\"><li>Th\u00e0nh ph\u1ea7n trong s\u1ea3n xu\u1ea5t thu\u1ed1c tr\u1eeb s\u00e2u<\/li>\n\n<li>Ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t bo m\u1ea1ch in<\/li>\n\n<li>T\u00e1c nh\u00e2n kh\u1eafc acid cho b\u1ea3n in kh\u1eafc<\/li>\n\n<li>Ch\u1ea5t x\u00fac t\u00e1c t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1<\/li>\n\n<li>Ch\u1ea5t c\u1ea7m m\u00e0u trong ng\u00e0nh nhu\u1ed9m<\/li>\n\n<li>\u1ee8ng d\u1ee5ng trong nhi\u1ebfp \u1ea3nh<\/li>\n\n<li>Xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u1ed3n t\u1ea9y t\u1ea1p ch\u1ea5t cho nh\u00f4m, th\u00e9p<\/li>\n\n<li>Ch\u1ea5t x\u00fac t\u00e1c s\u1ea3n xu\u1ea5t nh\u1ef1a PVC<\/li><\/ul><\/li>\n\n<li><strong>X\u1eed l\u00ed n\u01b0\u1edbc th\u1ea3i:<\/strong><ul class=\"wp-block-list\"><li>V\u1edbi ph\u1ea3n \u1ee9ng k\u1ebft t\u1ee7a c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf photphase v\u00e0 c\u00e1c ch\u1ea5t c\u1eb7n kh\u00e1c, ph\u00e8n s\u1eaft 3 c\u00f2n n\u1ed5i ti\u1ebfng v\u1edbi c\u00f4ng d\u1ee5ng l\u00e0m ch\u1ea5t keo t\u1ee5 gi\u00fap n\u01b0\u1edbc trong h\u01a1n.<\/li>\n\n<li>FeCl3 d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 n\u1ed3ng \u0111\u1ed9 mu\u1ed1i cao, gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m t\u1eeb n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t. N\u1ebfu b\u1ea1n \u0111ang th\u1eafc m\u1eafc <strong>mua mu\u1ed1i s\u1eaft \u1edf \u0111\u00e2u<\/strong> \u0111\u1ec3 \u00e1p d\u1ee5ng hi\u1ec7u qu\u1ea3 v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc, h\u00e3y tham kh\u1ea3o c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n\n<li>\u1ede m\u1ee9c pH l\u00ed t\u01b0\u1edfng 7 &#8211; 8.5, ph\u00e8n s\u1eaft 3 c\u00f2n t\u1ea1o b\u00f4ng b\u1ecdt hi\u1ec7u qu\u1ea3.<\/li><\/ul><\/li>\n\n<li><strong>Trong y h\u1ecdc<\/strong>: FeCl3 c\u00f2n d\u00f9ng \u0111\u1ec3 c\u1ea7m m\u00e1u v\u1ebft th\u01b0\u01a1ng do kh\u1ea3 n\u0103ng l\u00e0m \u0111\u00f4ng hi\u1ec7u qu\u1ea3.<\/li>\n\n<li><strong>Trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/strong>: Ph\u00e8n s\u1eaft 3 l\u00e0 ch\u1ea5t x\u00fac t\u00e1c quan tr\u1ecdng trong ph\u1ea3n \u1ee9ng oxy h\u00f3a c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 (qu\u00e1 tr\u00ecnh Frieded-Crafts).<\/li>\n\n<li><strong>Trong c\u00f4ng nghi\u1ec7p in \u1ea5n<\/strong>: FeCl3 c\u0169ng l\u00e0 v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m ra m\u1ef1c in etching tr\u00ean in \u1ea5n kim lo\u1ea1i.<\/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\/2023\/11\/FeCl2-va-FeCl3-2.png\" alt=\"FeCl3\" class=\"wp-image-833 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-2.png 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/11\/FeCl2-va-FeCl3-2-500x365.png 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><figcaption class=\"wp-element-caption\">FeCl3 trong c\u00f4ng nghi\u1ec7p in m\u1ef1c<\/figcaption><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Khi_Nao_Chon_FeCl2_Khi_Nao_Chon_FeCl3\"><\/span>Khi N\u00e0o Ch\u1ecdn FeCl2? Khi N\u00e0o Ch\u1ecdn FeCl3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\"><li><strong>Ch\u1ecdn FeCl2<\/strong>: c\u1ea7n t\u00e1c nh\u00e2n kh\u1eed (Cr6+, sulfide) ho\u1eb7c ki\u1ec3m so\u00e1t m\u00f9i H2S; h\u1ec7 th\u1ed1ng c\u1ea7n h\u1ea1n ch\u1ebf \u0103n m\u00f2n.<\/li>\n\n<li><strong>Ch\u1ecdn FeCl3<\/strong>: c\u1ea7n keo t\u1ee5 m\u1ea1nh, lo\u1ea1i b\u1ecf phosphate, l\u00e0m trong n\u01b0\u1edbc th\u1ea3i.<\/li>\n\n<li>C\u00f3 th\u1ec3 <strong>k\u1ebft h\u1ee3p c\u1ea3 hai<\/strong>: FeCl2 \u1edf giai \u0111o\u1ea1n kh\u1eed Cr6+, FeCl3 \u1edf giai \u0111o\u1ea1n keo t\u1ee5 trong d\u00e2y chuy\u1ec1n x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i m\u1ea1 \u0111i\u1ec7n.<\/li><\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Loi_Ket\"><\/span>L\u1eddi K\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FeCl2 v\u00e0 FeCl3 \u0111\u1ec1u l\u00e0 nh\u1eefng h\u1ee3p ch\u1ea5t s\u1eaft quan tr\u1ecdng v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc. <strong>FeCl3 c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh h\u01a1n, k\u1ebft t\u1ee7a t\u1ed1t h\u01a1n, nh\u01b0ng c\u0169ng d\u1ec5 g\u00e2y \u0103n m\u00f2n h\u01a1n FeCl2<\/strong>. T\u00f9y v\u00e0o nhu c\u1ea7u s\u1eed d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn h\u00f3a ch\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t. <\/p><p>N\u1ebfu b\u1ea1n c\u1ea7n th\u00eam th\u00f4ng tin ho\u1eb7c h\u1ed7 tr\u1ee3 v\u1ec1 FeCl2 v\u00e0 FeCl3 ho\u1eb7c c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o kh\u00e1c li\u00ean quan \u0111\u1ebfn h\u00f3a ch\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi s\u1ed1 <strong>hotline: 0979891929<\/strong> \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t t\u1eeb c\u00e1c chuy\u00ean gia ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n h\u00f3a ch\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng trong vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng h\u00f3a ch\u1ea5t n\u00e0y.<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><div class=\"row row-collapse row-full-width\"  id=\"row-1913286267\">\n\n\n\t<div id=\"col-551534437\" 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>\u6d1b\u5929\u6295\u8d44\u53d1\u5c55\u6709\u9650\u516c\u53f8<\/strong><\/p>\n<ul>\n<li><strong>\u5730\u5740\uff1a\u00a0<\/strong>\u80e1\u5fd7\u660e\u5e02\u5e73\u65b0\u90e1\u5e73\u6cbb\u4e1c\u574a10\u53f7\u7701\u90536B\u680b452\u53f7<\/li>\n<li><strong>\u7535\u8bdd<\/strong> 028 6269 5669 - \u00a0028 6269 5662<\/li>\n<li><strong>\u7f51\u7ad9<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/zh\/\" target=\"_blank\" rel=\"noopener\">hoachatlocthien.com<\/a><\/li>\n<li><strong>\u4f20\u771f\uff1a\u00a0<\/strong>028 6269 5662 -\u00a0<strong>\u70ed\u7ebf<\/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-2140324595\" 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>\u5206\u652f\u673a\u6784\u548c\u4ed3\u5e93<\/strong><\/p>\n<ul>\n<li><strong>\u7bb1 1<\/strong>\u798f\u5174\u6751\uff0c\u7f8e\u6625\u4e61\uff0c\u65b0\u6210\u53bf\uff0c\u5df4\u5730-\u5934\u987f\u7701<\/li>\n<li><strong>\u7b2c 2 \u4ed3\u5e93<\/strong>\u798f\u6cf0\uff0c\u5e73\u798f\uff0c\u9686\u6210\u53bf\uff0c\u540c\u5948\u7701<\/li>\n<li><strong>\u4ed3\u5e93 3<\/strong>\u5e73\u9633\u7701\uff0c\u4ee5\u5b89\u5e02\uff0c\u65b0\u4e1c\u534fB\u5de5\u4e1a\u533a\u3002 .<\/li>\n<li><strong>\u7b2c\u56db\u4ed3\u5e93<\/strong>\u548c\u5e86\u533a\uff0c\u5c98\u6e2f<\/li>\n<li><strong>\u7b2c5\u6bb5<\/strong> \u82b9\u82f4\u5e02,  \u00f4 m\u00f4n \u533a, ph\u01b0\u1edbc th\u1edbi \u574a, \u00f4 m\u00f4n \u6e2f<\/li>\n<li><strong>\u7b2c6\u5e93<\/strong> KCN \u0110\u1ea1i \u0110\u1ed3ng - Ho\u00e0n S\u01a1n\uff0c\u4ed9\u6e38\u53bf\uff0c\u5317\u5b81\u7701<\/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 \u5730\u56fe \u6d1b\u5929\u5316\u5de5\" 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-1739589300694\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl2_va_FeCl3_co_doc_khong_Chung_co_gay_anh_huong_den_suc_khoe_va_moi_truong_khong\"><\/span><strong>FeCl2 v\u00e0 FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng? Ch\u00fang c\u00f3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u2714\ufe0f <strong>FeCl2<\/strong> \u548c <strong>\u4e09\u6c2f\u5316\u94c1<\/strong> \u0111\u1ec1u kh\u00f4ng ph\u1ea3i l\u00e0 h\u00f3a ch\u1ea5t c\u1ef1c \u0111\u1ed9c, nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y k\u00edch \u1ee9ng m\u1ea1nh v\u1edbi <strong>m\u1eaft, da v\u00e0 h\u1ec7 h\u00f4 h\u1ea5p<\/strong>.<br \/>\u2714\ufe0f <strong>\u4e09\u6c2f\u5316\u94c1<\/strong> c\u00f3 t\u00ednh \u0103n m\u00f2n cao h\u01a1n FeCl2, c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng da n\u1ebfu ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u1edf d\u1ea1ng dung d\u1ecbch \u0111\u1eadm \u0111\u1eb7c.<br \/>\u2714\ufe0f <strong>\u1ea2nh h\u01b0\u1edfng m\u00f4i tr\u01b0\u1eddng:<\/strong> FeCl3 c\u00f3 th\u1ec3 l\u00e0m <strong>thay \u0111\u1ed5i pH n\u01b0\u1edbc th\u1ea3i<\/strong>, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<br \/>\u2714\ufe0f <strong>Bi\u1ec7n ph\u00e1p an to\u00e0n:<\/strong> Khi l\u00e0m vi\u1ec7c v\u1edbi hai h\u00f3a ch\u1ea5t n\u00e0y, n\u00ean <strong>\u0111eo g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng th\u00f4ng tho\u00e1ng<\/strong>.<br \/>\ud83d\uded1 <strong>L\u01b0u \u00fd:<\/strong> N\u1ebfu FeCl3 r\u00f2 r\u1ec9 v\u00e0o ngu\u1ed3n n\u01b0\u1edbc v\u1edbi l\u01b0\u1ee3ng l\u1edbn, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m n\u01b0\u1edbc c\u00f3 m\u00e0u v\u00e0ng n\u00e2u v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i th\u1ee7y sinh.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739589343641\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Tai_sao_FeCl2_de_bi_oxy_hoa_thanh_FeCl3_trong_khong_khi_Co_cach_nao_de_bao_quan_FeCl2_lau_hon_khong\"><\/span>T\u1ea1i sao FeCl2 d\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 trong kh\u00f4ng kh\u00ed? C\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1ea3o qu\u1ea3n FeCl2 l\u00e2u h\u01a1n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u2714\ufe0f FeCl2 d\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh FeCl3 v\u00ec <strong>s\u1eaft (II) c\u00f3 xu h\u01b0\u1edbng m\u1ea5t th\u00eam m\u1ed9t electron \u0111\u1ec3 tr\u1edf th\u00e0nh s\u1eaft (III)<\/strong> khi c\u00f3 m\u1eb7t oxy ho\u1eb7c c\u00e1c ch\u1ea5t oxy h\u00f3a m\u1ea1nh.<br \/>\u2714\ufe0f <strong>Ph\u1ea3n \u1ee9ng oxy h\u00f3a FeCl2 trong kh\u00f4ng kh\u00ed<\/strong>:<br \/>4FeCl2\u200b+O2\u200b+4HCl\u21924FeCl3\u200b+2H2\u200bO<br \/>\u2714\ufe0f <strong>C\u00e1ch b\u1ea3o qu\u1ea3n FeCl2 hi\u1ec7u qu\u1ea3:<\/strong><br \/>Gi\u1eef trong <strong>m\u00f4i tr\u01b0\u1eddng kh\u00f4ng c\u00f3 oxy<\/strong> (h\u00fat ch\u00e2n kh\u00f4ng ho\u1eb7c ch\u1ee9a trong b\u00ecnh k\u00edn c\u00f3 kh\u00ed tr\u01a1 nh\u01b0 Argon ho\u1eb7c Nit\u01a1).<br \/>\u4fdd\u5b58 <strong>\u1edf n\u01a1i kh\u00f4 r\u00e1o, tr\u00e1nh \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp<\/strong> \u0111\u1ec3 h\u1ea1n ch\u1ebf qu\u00e1 tr\u00ecnh oxy h\u00f3a.<br \/>N\u1ebfu l\u00e0 dung d\u1ecbch, c\u00f3 th\u1ec3 <strong>th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf HCl lo\u00e3ng<\/strong> \u0111\u1ec3 duy tr\u00ec FeCl2 trong tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739589372312\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl3_co_the_thay_the_FeCl2_trong_xu_ly_nuoc_thai_khong_Lua_chon_nao_hieu_qua_hon\"><\/span>FeCl3 c\u00f3 th\u1ec3 thay th\u1ebf FeCl2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i kh\u00f4ng? L\u1ef1a ch\u1ecdn n\u00e0o hi\u1ec7u qu\u1ea3 h\u01a1n?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u2714\ufe0f <strong>FeCl3 c\u00f3 kh\u1ea3 n\u0103ng keo t\u1ee5 t\u1ed1t h\u01a1n FeCl2<\/strong>, gi\u00fap lo\u1ea1i b\u1ecf ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng v\u00e0 photphat trong n\u01b0\u1edbc hi\u1ec7u qu\u1ea3 h\u01a1n.<br \/>\u2714\ufe0f <strong>FeCl2 c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc<\/strong>, nh\u01b0ng ch\u1ee7 y\u1ebfu \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t kh\u1eed (lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng, l\u00e0m gi\u1ea3m NO3- v\u00e0 Cr6+ trong n\u01b0\u1edbc).<br \/>\u2714\ufe0f <strong>L\u1ef1a ch\u1ecdn n\u00e0o t\u1ed1t h\u01a1n?<\/strong><br \/>  + <strong>N\u1ebfu c\u1ea7n x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f3 h\u00e0m l\u01b0\u1ee3ng photphat cao \u2192 D\u00f9ng FeCl3.<\/strong><br \/>  + <strong>N\u1ebfu c\u1ea7n kh\u1eed kim lo\u1ea1i n\u1eb7ng ho\u1eb7c mu\u1ed1n h\u1ea1n ch\u1ebf \u0103n m\u00f2n h\u1ec7 th\u1ed1ng \u2192 D\u00f9ng FeCl2.<\/strong><br \/>\u2714\ufe0f M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 th\u1ec3 <strong>k\u1ebft h\u1ee3p c\u1ea3 FeCl2 v\u00e0 FeCl3<\/strong> \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739589395072\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl3_co_the_an_mon_kim_loai_nao_Cach_bao_ve_thiet_bi_khi_su_dung_FeCl3\"><\/span>FeCl3 c\u00f3 th\u1ec3 \u0103n m\u00f2n kim lo\u1ea1i n\u00e0o? C\u00e1ch b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb khi s\u1eed d\u1ee5ng FeCl3?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u2714\ufe0f <strong>FeCl3 c\u00f3 t\u00ednh \u0103n m\u00f2n cao<\/strong> do c\u00f3 t\u00ednh axit m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o ph\u1ee9c v\u1edbi kim lo\u1ea1i.<br \/>\u2714\ufe0f <strong>C\u00e1c kim lo\u1ea1i d\u1ec5 b\u1ecb \u0103n m\u00f2n b\u1edfi FeCl3:<\/strong><br \/><strong>S\u1eaft, nh\u00f4m, k\u1ebdm, \u0111\u1ed3ng v\u00e0 h\u1ee3p kim ch\u1ee9a c\u00e1c kim lo\u1ea1i n\u00e0y<\/strong>.<br \/><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng n\u1ebfu ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi FeCl3.<br \/>\u2714\ufe0f <strong>C\u00e1ch b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi \u0103n m\u00f2n khi d\u00f9ng FeCl3:<\/strong><br \/>+ <strong>S\u1eed d\u1ee5ng b\u1ec3 ch\u1ee9a b\u1eb1ng nh\u1ef1a, composite, PVC ho\u1eb7c th\u00e9p ph\u1ee7 epoxy.<\/strong><br \/>+ <strong>N\u1ebfu h\u1ec7 th\u1ed1ng kim lo\u1ea1i b\u1eaft bu\u1ed9c ph\u1ea3i ti\u1ebfp x\u00fac, c\u1ea7n ph\u1ee7 l\u1edbp ch\u1ed1ng \u0103n m\u00f2n (s\u01a1n epoxy, l\u1edbp ph\u1ee7 polymer).<\/strong><br \/>+ <strong>Ki\u1ec3m so\u00e1t pH<\/strong> c\u1ee7a dung d\u1ecbch FeCl3 \u0111\u1ec3 gi\u1ea3m t\u00ednh \u0103n m\u00f2n (t\u1ed1t nh\u1ea5t \u1edf pH 2.5 &#8211; 4.0).<br \/>\u2714\ufe0f <strong>L\u01b0u \u00fd:<\/strong> FeCl3 \u0111\u01b0\u1ee3c d\u00f9ng trong <strong>kh\u1eafc m\u1ea1ch in PCB<\/strong> ch\u00ednh l\u00e0 do kh\u1ea3 n\u0103ng \u0103n m\u00f2n m\u1ea1nh c\u1ee7a n\u00f3.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1739589415850\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl2_co_the_khu_FeCl3_thanh_FeCl2_khong_Dieu_kien_can_de_FeCl3_chuyen_thanh_FeCl2\"><\/span>FeCl2 c\u00f3 th\u1ec3 kh\u1eed FeCl3 th\u00e0nh FeCl2 kh\u00f4ng? \u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 FeCl3 chuy\u1ec3n th\u00e0nh FeCl2?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>\u2714\ufe0f <strong>C\u00f3!<\/strong> FeCl3 c\u00f3 th\u1ec3 b\u1ecb kh\u1eed ng\u01b0\u1ee3c l\u1ea1i th\u00e0nh FeCl2 khi c\u00f3 <strong>ch\u1ea5t kh\u1eed m\u1ea1nh<\/strong> \u6b63\u5982 <strong>kim lo\u1ea1i Fe, H2 ho\u1eb7c SO2<\/strong>.<br \/>\u2714\ufe0f <strong>Ph\u1ea3n \u1ee9ng kh\u1eed FeCl3 v\u1ec1 FeCl2 b\u1eb1ng kim lo\u1ea1i s\u1eaft:<\/strong><br \/>Fe+2FeCl3\u200b\u21923FeCl2\u200b<br \/>\u2714\ufe0f <strong>\u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 FeCl3 chuy\u1ec3n th\u00e0nh FeCl2:<\/strong><br \/>    + <strong>C\u00f3 m\u1eb7t ch\u1ea5t kh\u1eed m\u1ea1nh<\/strong> \u6b63\u5982 <strong>kim lo\u1ea1i s\u1eaft, SO2 ho\u1eb7c Na2SO3.<\/strong><br \/>    + <strong>M\u00f4i tr\u01b0\u1eddng axit nh\u1eb9 (HCl lo\u00e3ng)<\/strong> \u0111\u1ec3 gi\u00fap ph\u1ea3n \u1ee9ng di\u1ec5n ra thu\u1eadn l\u1ee3i h\u01a1n.<br \/>    + <strong>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 pH<\/strong> \u0111\u1ec3 kh\u00f4ng t\u1ea1o ra k\u1ebft t\u1ee7a Fe(OH)3.<br \/>\ud83d\udccc <strong>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf:<\/strong><br \/>    + <strong>Qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ebf h\u00f3a ch\u1ea5t trong c\u00f4ng nghi\u1ec7p xi m\u1ea1<\/strong> \u0111\u1ec3 t\u1eadn d\u1ee5ng l\u1ea1i FeCl3.<br \/>    + <strong>D\u00f9ng Fe \u0111\u1ec3 t\u00e1i t\u1ea1o FeCl2 t\u1eeb FeCl3 trong m\u1ed9t s\u1ed1 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t<\/strong>.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>&#9889; B\u1ea3ng So S\u00e1nh Nhanh: FeCl2 vs FeCl3 Ti\u00eau ch\u00ed FeCl2 (s\u1eaft 2 clorua) FeCl3 (s\u1eaft 3 clorua) H\u00f3a tr\u1ecb Fe +2 +3 M\u00e0u dung d\u1ecbch Xanh l\u1ee5c nh\u1ea1t N\u00e2u \u0111\u1ecf T\u00ednh ch\u1ea5t D\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh Fe3+ B\u1ec1n h\u01a1n trong kh\u00f4ng kh\u00ed Kh\u1ea3 n\u0103ng keo t\u1ee5 Trung b\u00ecnh M\u1ea1nh \u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt [&#8230;]\n","protected":false},"author":2,"featured_media":844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[204,205,206,207],"class_list":["post-827","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-fecl2","tag-fecl3","tag-satii-clorua","tag-satiii-clorua"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/827","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/comments?post=827"}],"version-history":[{"count":5,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/827\/revisions"}],"predecessor-version":[{"id":9145,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/827\/revisions\/9145"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media\/844"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media?parent=827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/categories?post=827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/tags?post=827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}