{"id":9110,"date":"2026-06-19T16:28:18","date_gmt":"2026-06-19T09:28:18","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=9110"},"modified":"2026-07-04T07:59:21","modified_gmt":"2026-07-04T00:59:21","slug":"fecl2-fecl3-sat-clorua","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua","title":{"rendered":"FeCl2 v\u00e0 FeCl3 \u2013 S\u1eaft Clorua: H\u00f3a Ch\u1ea5t C\u00f4ng Nghi\u1ec7p Kh\u00f4ng Th\u1ec3 Thi\u1ebfu Trong X\u1eed L\u00fd N\u01b0\u1edbc &#038; S\u1ea3n Xu\u1ea5t"},"content":{"rendered":"<h1>FeCl2 v\u00e0 FeCl3 \u2013 S\u1eaft Clorua: H\u00f3a Ch\u1ea5t C\u00f4ng Nghi\u1ec7p Kh\u00f4ng Th\u1ec3 Thi\u1ebfu Trong X\u1eed L\u00fd N\u01b0\u1edbc &amp; S\u1ea3n Xu\u1ea5t<\/h1>\n<div class=\"geo-answer-box\" style=\"background:#f0f7ff;border-left:4px solid #2563eb;padding:16px 20px;margin:20px 0;border-radius:4px\">\n<p><strong>T\u00f3m t\u1eaft nhanh:<\/strong> FeCl2 (S\u1eaft II Clorua \/ Ferrous Chloride) v\u00e0 FeCl3 (S\u1eaft III Clorua \/ Ferric Chloride) l\u00e0 hai h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p quan tr\u1ecdng. FeCl2 d\u00f9ng cho <a href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fenton-huong-dan\/\">ph\u1ea3n \u1ee9ng Fenton<\/a>, kh\u1eed Cr6+, x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. FeCl3 d\u00f9ng kh\u1eafc m\u1ea1ch PCB, keo t\u1ee5 n\u01b0\u1edbc c\u1ea5p. C\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean t\u1ea1i TP.HCM.<\/p>\n<\/div>\n<hr \/>\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\">N\u1ed9i dung<\/p>\n<p><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>\n<ul class='ez-toc-list ez-toc-list-level-1' >\n<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\/fecl2-fecl3-sat-clorua\/#FeCl2_va_FeCl3_la_gi_Tong_quan_nhanh\" title=\"FeCl2 v\u00e0 FeCl3 l\u00e0 g\u00ec? T\u1ed5ng quan nhanh\">FeCl2 v\u00e0 FeCl3 l\u00e0 g\u00ec? T\u1ed5ng quan nhanh<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_1_FeCl%E2%82%82_%E2%80%93_Sat_II_Clorua_Ferrous_Chloride\" title=\"Ph\u1ea7n 1: FeCl\u2082 \u2013 S\u1eaft II Clorua (Ferrous Chloride)\">Ph\u1ea7n 1: FeCl\u2082 \u2013 S\u1eaft II Clorua (Ferrous Chloride)<\/a>\n<ul class='ez-toc-list-level-3' >\n<li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#11_Thong_tin_co_ban\" title=\"1.1 Th\u00f4ng tin c\u01a1 b\u1ea3n\">1.1 Th\u00f4ng tin c\u01a1 b\u1ea3n<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#12_Tinh_chat_vat_ly\" title=\"1.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd\">1.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/a><\/li>\n<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\/fecl2-fecl3-sat-clorua\/#13_Tinh_chat_hoa_hoc\" title=\"1.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc\">1.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#14_Ung_dung_cua_FeCl%E2%82%82\" title=\"1.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2082\">1.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2082<\/a>\n<ul class='ez-toc-list-level-4' >\n<li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Xu_ly_nuoc_thai_cong_nghiep\" title=\"\u2705 X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p\">\u2705 X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Det_nhuom\" title=\"\u2705 D\u1ec7t nhu\u1ed9m\">\u2705 D\u1ec7t nhu\u1ed9m<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Luyen_kim_va_xi_ma\" title=\"\u2705 Luy\u1ec7n kim v\u00e0 xi m\u1ea1\">\u2705 Luy\u1ec7n kim v\u00e0 xi m\u1ea1<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Hoa_chat_trung_gian\" title=\"\u2705 H\u00f3a ch\u1ea5t trung gian\">\u2705 H\u00f3a ch\u1ea5t trung gian<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Phong_thi_nghiem_nghien_cuu\" title=\"\u2705 Ph\u00f2ng th\u00ed nghi\u1ec7m &amp; nghi\u00ean c\u1ee9u\">\u2705 Ph\u00f2ng th\u00ed nghi\u1ec7m &amp; nghi\u00ean c\u1ee9u<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_2_FeCl%E2%82%83_%E2%80%93_Sat_III_Clorua_Ferric_Chloride\" title=\"Ph\u1ea7n 2: FeCl\u2083 \u2013 S\u1eaft III Clorua (Ferric Chloride)\">Ph\u1ea7n 2: FeCl\u2083 \u2013 S\u1eaft III Clorua (Ferric Chloride)<\/a>\n<ul class='ez-toc-list-level-3' >\n<li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#21_Thong_tin_co_ban\" title=\"2.1 Th\u00f4ng tin c\u01a1 b\u1ea3n\">2.1 Th\u00f4ng tin c\u01a1 b\u1ea3n<\/a><\/li>\n<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\/fecl2-fecl3-sat-clorua\/#22_Tinh_chat_vat_ly\" title=\"2.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd\">2.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/a><\/li>\n<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\/fecl2-fecl3-sat-clorua\/#23_Tinh_chat_hoa_hoc\" title=\"2.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc\">2.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/a><\/li>\n<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\/fecl2-fecl3-sat-clorua\/#24_Ung_dung_cua_FeCl%E2%82%83\" title=\"2.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2083\">2.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2083<\/a>\n<ul class='ez-toc-list-level-4' >\n<li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Xu_ly_nuoc_nuoc_thai_%E2%80%94_Ung_dung_hang_dau\" title=\"\u2705 X\u1eed l\u00fd n\u01b0\u1edbc &amp; n\u01b0\u1edbc th\u1ea3i \u2014 \u1ee8ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u\">\u2705 X\u1eed l\u00fd n\u01b0\u1edbc &amp; n\u01b0\u1edbc th\u1ea3i \u2014 \u1ee8ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Khac_mach_dien_tu_PCB_Etching\" title=\"\u2705 Kh\u1eafc m\u1ea1ch \u0111i\u1ec7n t\u1eed (PCB Etching)\">\u2705 Kh\u1eafc m\u1ea1ch \u0111i\u1ec7n t\u1eed (PCB Etching)<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Xu_ly_be_mat_kim_loai_xi_ma\" title=\"\u2705 X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i &amp; xi m\u1ea1\">\u2705 X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i &amp; xi m\u1ea1<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Xuc_tac_hoa_hoc\" title=\"\u2705 X\u00fac t\u00e1c h\u00f3a h\u1ecdc\">\u2705 X\u00fac t\u00e1c h\u00f3a h\u1ecdc<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#%E2%9C%85_Nganh_det_nhuom\" title=\"\u2705 Ng\u00e0nh d\u1ec7t nhu\u1ed9m\">\u2705 Ng\u00e0nh d\u1ec7t nhu\u1ed9m<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_3_So_Sanh_FeCl%E2%82%82_va_FeCl%E2%82%83\" title=\"Ph\u1ea7n 3: So S\u00e1nh FeCl\u2082 v\u00e0 FeCl\u2083\">Ph\u1ea7n 3: So S\u00e1nh FeCl\u2082 v\u00e0 FeCl\u2083<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_4_Huong_Dan_Su_Dung_An_Toan\" title=\"Ph\u1ea7n 4: H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng An To\u00e0n\">Ph\u1ea7n 4: H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng An To\u00e0n<\/a>\n<ul class='ez-toc-list-level-3' >\n<li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Trang_bi_bao_ho_bat_buoc\" title=\"Trang b\u1ecb b\u1ea3o h\u1ed9 b\u1eaft bu\u1ed9c\">Trang b\u1ecb b\u1ea3o h\u1ed9 b\u1eaft bu\u1ed9c<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Luu_y_quan_trong\" title=\"L\u01b0u \u00fd quan tr\u1ecdng\">L\u01b0u \u00fd quan tr\u1ecdng<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Xu_ly_su_co_tran_do\" title=\"X\u1eed l\u00fd s\u1ef1 c\u1ed1 tr\u00e0n \u0111\u1ed5\">X\u1eed l\u00fd s\u1ef1 c\u1ed1 tr\u00e0n \u0111\u1ed5<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#So_cuu_khi_tiep_xuc\" title=\"S\u01a1 c\u1ee9u khi ti\u1ebfp x\u00fac\">S\u01a1 c\u1ee9u khi ti\u1ebfp x\u00fac<\/a><\/li>\n<\/ul>\n<\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_5_Bao_Quan_Van_Chuyen\" title=\"Ph\u1ea7n 5: B\u1ea3o Qu\u1ea3n &amp; V\u1eadn Chuy\u1ec3n\">Ph\u1ea7n 5: B\u1ea3o Qu\u1ea3n &amp; V\u1eadn Chuy\u1ec3n<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_6_Cau_Hoi_Thuong_Gap_FAQ_%E2%80%94_AEO_Optimized\" title=\"Ph\u1ea7n 6: C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ \u2014 AEO Optimized)\">Ph\u1ea7n 6: C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ \u2014 AEO Optimized)<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Phan_7_Tieu_Chuan_Chung_Nhan_Can_Quan_Tam\" title=\"Ph\u1ea7n 7: Ti\u00eau Chu\u1ea9n &amp; Ch\u1ee9ng Nh\u1eadn C\u1ea7n Quan T\u00e2m\">Ph\u1ea7n 7: Ti\u00eau Chu\u1ea9n &amp; Ch\u1ee9ng Nh\u1eadn C\u1ea7n Quan T\u00e2m<\/a><\/li>\n<li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/hoachatlocthien.com\/en\/fecl2-fecl3-sat-clorua\/#Ket_Luan\" title=\"K\u1ebft Lu\u1eadn\">K\u1ebft Lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_va_FeCl3_la_gi_Tong_quan_nhanh\"><\/span><span class=\"ez-toc-section\" id=\"FeCl2_va_FeCl3_la_gi_Tong_quan_nhanh\"><\/span>FeCl2 v\u00e0 FeCl3 l\u00e0 g\u00ec? T\u1ed5ng quan nhanh<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<blockquote>\n<p><strong>FeCl2<\/strong> (S\u1eaft II Clorua \/ Ferrous Chloride) v\u00e0 <strong>FeCl3<\/strong> (S\u1eaft III Clorua \/ Ferric Chloride) l\u00e0 hai h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u1ee7a s\u1eaft, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, m\u1ea1 \u0111i\u1ec7n, s\u1ea3n xu\u1ea5t m\u1ea1ch \u0111i\u1ec7n t\u1eed (PCB), d\u1ec7t nhu\u1ed9m v\u00e0 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<\/blockquote>\n<p>Hai h\u00f3a ch\u1ea5t n\u00e0y th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn do t\u00ean g\u1ecdi t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng l\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t v\u00e0 c\u00f4ng d\u1ee5ng kh\u00e1c nhau ho\u00e0n to\u00e0n. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch chi ti\u1ebft t\u1eebng lo\u1ea1i, so s\u00e1nh \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i theo nhu c\u1ea7u th\u1ef1c t\u1ebf.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_1_FeCl%E2%82%82_%E2%80%93_Sat_II_Clorua_Ferrous_Chloride\"><\/span><span class=\"ez-toc-section\" id=\"Phan_1_FeCl%E2%82%82_%E2%80%93_Sat_II_Clorua_Ferrous_Chloride\"><\/span>Ph\u1ea7n 1: FeCl\u2082 \u2013 S\u1eaft II Clorua (Ferrous Chloride)<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"11_Thong_tin_co_ban\"><\/span><span class=\"ez-toc-section\" id=\"11_Thong_tin_co_ban\"><\/span>1.1 Th\u00f4ng tin c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin: 1em 0;\">\n<tbody>\n<tr>\n<th style=\"background: #f0f4f8;\">Th\u00f4ng s\u1ed1<\/th>\n<th style=\"background: #f0f4f8;\">Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">T\u00ean h\u00f3a h\u1ecdc<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">S\u1eaft (II) Clorua \/ Ferrous Chloride<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">C\u00f4ng th\u1ee9c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">FeCl\u2082<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">CAS Number<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">7758-94-3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Kh\u1ed1i l\u01b0\u1ee3ng mol<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">126,75 g\/mol<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">H\u00e0m l\u01b0\u1ee3ng th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">15\u201330% (dung d\u1ecbch)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Xu\u1ea5t x\u1ee9 ph\u1ed5 bi\u1ebfn<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Vi\u1ec7t Nam<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">\u0110\u00f3ng g\u00f3i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Can 30 kg \/ Phuy 200 kg \/ Tank IBC \/ Xe b\u1ed3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"12_Tinh_chat_vat_ly\"><\/span><span class=\"ez-toc-section\" id=\"12_Tinh_chat_vat_ly\"><\/span>1.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeCl\u2082 t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng ch\u00ednh:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>D\u1ea1ng khan (anhydrous):<\/strong> Ch\u1ea5t r\u1eafn m\u00e0u tr\u1eafng ho\u1eb7c x\u00e1m nh\u1ea1t, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 3,16 g\/cm\u00b3, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y 677\u00b0C.<\/li>\n<li><strong>D\u1ea1ng ng\u1eadm n\u01b0\u1edbc FeCl\u2082\u00b74H\u2082O:<\/strong> Tinh th\u1ec3 m\u00e0u xanh l\u00e1 nh\u1ea1t ho\u1eb7c xanh lam nh\u1ea1t, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 1,93 g\/cm\u00b3, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y 105\u00b0C.<\/li>\n<li>Tan t\u1ed1t trong n\u01b0\u1edbc: 64,4 g\/100 mL (10\u00b0C) \u2192 105,7 g\/100 mL (100\u00b0C).<\/li>\n<li>Khi ti\u1ebfp x\u00fac kh\u00f4ng kh\u00ed, d\u1ec5 b\u1ecb oxy h\u00f3a chuy\u1ec3n th\u00e0nh FeCl\u2083.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"13_Tinh_chat_hoa_hoc\"><\/span><span class=\"ez-toc-section\" id=\"13_Tinh_chat_hoa_hoc\"><\/span>1.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeCl\u2082 mang \u0111\u1ea7y \u0111\u1ee7 t\u00ednh ch\u1ea5t c\u1ee7a mu\u1ed1i, \u0111\u1eb7c bi\u1ec7t c\u00f3 <strong>t\u00ednh kh\u1eed m\u1ea1nh<\/strong>:<\/p>\n<p><strong>T\u00e1c d\u1ee5ng v\u1edbi ki\u1ec1m:<\/strong><\/p>\n<pre><code>FeCl\u2082 + 2NaOH \u2192 Fe(OH)\u2082\u2193 + 2NaCl<\/code><\/pre>\n<p><strong>T\u00e1c d\u1ee5ng v\u1edbi mu\u1ed1i:<\/strong><\/p>\n<pre><code>FeCl\u2082 + 2AgNO\u2083 \u2192 Fe(NO\u2083)\u2082 + 2AgCl\u2193<\/code><\/pre>\n<p><strong>B\u1ecb oxy h\u00f3a b\u1edfi Cl\u2082 th\u00e0nh FeCl\u2083:<\/strong><\/p>\n<pre><code>2FeCl\u2082 + Cl\u2082 \u2192 2FeCl\u2083<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"14_Ung_dung_cua_FeCl%E2%82%82\"><\/span><span class=\"ez-toc-section\" id=\"14_Ung_dung_cua_FeCl%E2%82%82\"><\/span>1.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2082<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_nuoc_thai_cong_nghiep\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_nuoc_thai_cong_nghiep\"><\/span>\u2705 X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FeCl\u2082 l\u00e0 <strong>ch\u1ea5t keo t\u1ee5 hi\u1ec7u qu\u1ea3<\/strong> trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. N\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t \u0111\u1ec3 t\u1ea1o th\u00e0nh hydroxide s\u1eaft k\u1ebft t\u1ee7a, k\u00e9o theo c\u1eb7n b\u1ea9n, kim lo\u1ea1i n\u1eb7ng, photphat v\u00e0 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 xu\u1ed1ng \u0111\u00e1y b\u1ec3.<\/p>\n<p>\u1ee8ng d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m (kh\u1eed m\u00e0u)<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ch\u0103n nu\u00f4i<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i xi m\u1ea1 (lo\u1ea1i b\u1ecf crom, niken)<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1ec7nh vi\u1ec7n<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc r\u1ec9 r\u00e1c<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Det_nhuom\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Det_nhuom\"><\/span>\u2705 D\u1ec7t nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FeCl\u2082 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m <strong>ch\u1ea5t c\u1ea7m m\u00e0u (mordant)<\/strong> trong nhu\u1ed9m v\u1ea3i t\u1ef1 nhi\u00ean, gi\u00fap m\u00e0u b\u00e1m ch\u1eafc h\u01a1n, t\u0103ng \u0111\u1ed9 b\u1ec1n m\u00e0u khi gi\u1eb7t v\u00e0 ti\u1ebfp x\u00fac \u00e1nh s\u00e1ng.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Luyen_kim_va_xi_ma\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Luyen_kim_va_xi_ma\"><\/span>\u2705 Luy\u1ec7n kim v\u00e0 xi m\u1ea1<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>T\u1ea9y g\u1ec9 s\u00e9t, chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t kim lo\u1ea1i tr\u01b0\u1edbc khi m\u1ea1 \u0111i\u1ec7n<\/li>\n<li>T\u1ea1o l\u1edbp b\u1ea3o v\u1ec7 \u0103n m\u00f2n cho th\u00e9p v\u00e0 h\u1ee3p kim<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Hoa_chat_trung_gian\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Hoa_chat_trung_gian\"><\/span>\u2705 H\u00f3a ch\u1ea5t trung gian<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FeCl\u2082 l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ec3 t\u1ed5ng h\u1ee3p FeCl\u2083, Fe\u2082O\u2083 v\u00e0 nhi\u1ec1u h\u1ee3p ch\u1ea5t s\u1eaft kh\u00e1c trong ng\u00e0nh h\u00f3a ch\u1ea5t v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Phong_thi_nghiem_nghien_cuu\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Phong_thi_nghiem_nghien_cuu\"><\/span>\u2705 Ph\u00f2ng th\u00ed nghi\u1ec7m &amp; nghi\u00ean c\u1ee9u<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>D\u00f9ng l\u00e0m ch\u1ea5t chu\u1ea9n trong ph\u00e2n t\u00edch h\u00f3a h\u1ecdc, t\u1ed5ng h\u1ee3p c\u00e1c h\u1ee3p ch\u1ea5t ph\u1ee9c s\u1eaft.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_2_FeCl%E2%82%83_%E2%80%93_Sat_III_Clorua_Ferric_Chloride\"><\/span><span class=\"ez-toc-section\" id=\"Phan_2_FeCl%E2%82%83_%E2%80%93_Sat_III_Clorua_Ferric_Chloride\"><\/span>Ph\u1ea7n 2: FeCl\u2083 \u2013 S\u1eaft III Clorua (Ferric Chloride)<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Thong_tin_co_ban\"><\/span><span class=\"ez-toc-section\" id=\"21_Thong_tin_co_ban\"><\/span>2.1 Th\u00f4ng tin c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"border-collapse: collapse; width: 100%; margin: 1em 0;\">\n<tbody>\n<tr>\n<th style=\"background: #f0f4f8;\">Th\u00f4ng s\u1ed1<\/th>\n<th style=\"background: #f0f4f8;\">Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">T\u00ean h\u00f3a h\u1ecdc<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">S\u1eaft (III) Clorua \/ Ferric Chloride<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">T\u00ean kh\u00e1c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Iron(III) Chloride, Clorua S\u1eaft III<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">C\u00f4ng th\u1ee9c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">FeCl\u2083<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">CAS Number<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">7705-08-0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Kh\u1ed1i l\u01b0\u1ee3ng mol<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">162,20 g\/mol<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">H\u00e0m l\u01b0\u1ee3ng th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">36\u201342% (dung d\u1ecbch)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Xu\u1ea5t x\u1ee9 ph\u1ed5 bi\u1ebfn<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Vi\u1ec7t Nam, Trung Qu\u1ed1c<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">\u0110\u00f3ng g\u00f3i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Can 30 kg \/ Phuy 200 kg \/ Tank IBC \/ Xe b\u1ed3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"22_Tinh_chat_vat_ly\"><\/span><span class=\"ez-toc-section\" id=\"22_Tinh_chat_vat_ly\"><\/span>2.2 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>D\u1ea1ng khan:<\/strong> Tinh th\u1ec3 m\u00e0u n\u00e2u s\u1eabm \u0111\u1ebfn \u0111en, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 2,90 g\/cm\u00b3, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y 306\u00b0C, \u0111i\u1ec3m s\u00f4i 315\u00b0C.<\/li>\n<li><strong>D\u1ea1ng dung d\u1ecbch 40%:<\/strong> Ch\u1ea5t l\u1ecfng m\u00e0u n\u00e2u v\u00e0ng \u0111\u1ebfn n\u00e2u \u0111\u1ecf, m\u00f9i nh\u1eb9 c\u1ee7a HCl.<\/li>\n<li>\u0110\u1ed9 tan trong n\u01b0\u1edbc r\u1ea5t cao: 92 g\/100 mL (20\u00b0C).<\/li>\n<li>pH dung d\u1ecbch 0,1M \u2248 1,8 (t\u00ednh acid m\u1ea1nh).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"23_Tinh_chat_hoa_hoc\"><\/span><span class=\"ez-toc-section\" id=\"23_Tinh_chat_hoa_hoc\"><\/span>2.3 T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeCl\u2083 l\u00e0 <strong>acid Lewis m\u1ea1nh<\/strong> (ch\u1ea5t nh\u1eadn c\u1eb7p electron) v\u00e0 <strong>ch\u1ea5t oxy h\u00f3a<\/strong> hi\u1ec7u qu\u1ea3:<\/p>\n<p><strong>Ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ed3ng kim lo\u1ea1i (ph\u1ea3n \u1ee9ng quan tr\u1ecdng trong PCB):<\/strong><\/p>\n<pre><code>2FeCl\u2083 + Cu \u2192 2FeCl\u2082 + CuCl\u2082<\/code><\/pre>\n<p><strong>Ph\u1ea3n \u1ee9ng v\u1edbi ki\u1ec1m:<\/strong><\/p>\n<pre><code>FeCl\u2083 + 3NaOH \u2192 Fe(OH)\u2083\u2193 (n\u00e2u \u0111\u1ecf) + 3NaCl<\/code><\/pre>\n<p><strong>Ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n:<\/strong><\/p>\n<pre><code>Fe\u00b3\u207a + 3H\u2082O \u2192 Fe(OH)\u2083 + 3H\u207a<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"24_Ung_dung_cua_FeCl%E2%82%83\"><\/span><span class=\"ez-toc-section\" id=\"24_Ung_dung_cua_FeCl%E2%82%83\"><\/span>2.4 \u1ee8ng d\u1ee5ng c\u1ee7a FeCl\u2083<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_nuoc_nuoc_thai_%E2%80%94_Ung_dung_hang_dau\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_nuoc_nuoc_thai_%E2%80%94_Ung_dung_hang_dau\"><\/span>\u2705 X\u1eed l\u00fd n\u01b0\u1edbc &amp; n\u01b0\u1edbc th\u1ea3i \u2014 \u1ee8ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FeCl\u2083 l\u00e0 <strong>ch\u1ea5t keo t\u1ee5 s\u1ed1 m\u1ed9t<\/strong> trong x\u1eed l\u00fd n\u01b0\u1edbc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Khi cho v\u00e0o n\u01b0\u1edbc, ion Fe\u00b3\u207a th\u1ee7y ph\u00e2n t\u1ea1o th\u00e0nh Fe(OH)\u2083 d\u1ea1ng keo, c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 k\u1ebft t\u1ee5 c\u00e1c h\u1ea1t l\u01a1 l\u1eedng, vi sinh v\u1eadt, photphat v\u00e0 ch\u1ea5t m\u00e0u.<\/p>\n<p>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<ol style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>Coagulation (keo t\u1ee5):<\/strong> Fe\u00b3\u207a trung h\u00f2a \u0111i\u1ec7n t\u00edch \u00e2m c\u1ee7a c\u00e1c h\u1ea1t l\u01a1 l\u1eedng<\/li>\n<li><strong>Flocculation (t\u1ea1o b\u00f4ng):<\/strong> C\u00e1c h\u1ea1t k\u1ebft t\u1ee5 th\u00e0nh b\u00f4ng l\u1edbn (floc)<\/li>\n<li><strong>Separation (t\u00e1ch lo\u1ea1i):<\/strong> Floc l\u1eafng xu\u1ed1ng \u0111\u00e1y ho\u1eb7c b\u1ecb l\u1ecdc ra<\/li>\n<\/ol>\n<p>\u01afu \u0111i\u1ec3m so v\u1edbi c\u00e1c ch\u1ea5t keo t\u1ee5 kh\u00e1c:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>Ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong d\u1ea3i pH r\u1ed9ng (5\u20139)<\/li>\n<li>Lo\u1ea1i b\u1ecf photphat xu\u1ed1ng m\u1ee9c r\u1ea5t th\u1ea5p (&lt; 0,1 mg\/L)<\/li>\n<li>Kh\u1eed m\u00e0u v\u00e0 m\u00f9i trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n b\u00f9n d\u1ec5 t\u00e1ch n\u01b0\u1edbc h\u01a1n<\/li>\n<\/ul>\n<p>\u1ee8ng d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>Nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc sinh ho\u1ea1t \u0111\u00f4 th\u1ecb<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p (nh\u00e0 m\u00e1y gi\u1ea5y, d\u1ec7t, h\u00f3a ch\u1ea5t)<\/li>\n<li>Ki\u1ec3m so\u00e1t ph\u00fa d\u01b0\u1ee1ng h\u00f3a h\u1ed3, s\u00f4ng<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc r\u1ec9 r\u00e1c b\u00e3i ch\u00f4n l\u1ea5p<\/li>\n<li>L\u00e0m d\u00e0y v\u00e0 t\u00e1ch n\u01b0\u1edbc b\u00f9n th\u1ea3i (sludge conditioning)<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Khac_mach_dien_tu_PCB_Etching\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Khac_mach_dien_tu_PCB_Etching\"><\/span>\u2705 Kh\u1eafc m\u1ea1ch \u0111i\u1ec7n t\u1eed (PCB Etching)<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng kinh \u0111i\u1ec3n c\u1ee7a FeCl\u2083 trong ng\u00e0nh \u0111i\u1ec7n t\u1eed. FeCl\u2083 40% \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 <strong>lo\u1ea1i b\u1ecf \u0111\u1ed3ng kh\u00f4ng mong mu\u1ed1n<\/strong> kh\u1ecfi b\u1ec1 m\u1eb7t b\u1ea3ng m\u1ea1ch in (PCB), t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n ch\u00ednh x\u00e1c.<\/p>\n<p>Ph\u1ea3n \u1ee9ng \u0103n m\u00f2n \u0111\u1ed3ng:<\/p>\n<pre><code>2FeCl\u2083 + Cu \u2192 2FeCl\u2082 + CuCl\u2082<\/code><\/pre>\n<p>\u01afu \u0111i\u1ec3m trong PCB etching:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>Ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (kh\u00f4ng c\u1ea7n gia nhi\u1ec7t)<\/li>\n<li>Kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi photoresist v\u00e0 toner transfer<\/li>\n<li>T\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t: 0,025\u20130,05 mm\/ph\u00fat<\/li>\n<li>Ph\u1ea3n h\u1ed3i tr\u1ef1c quan: dung d\u1ecbch m\u1edbi m\u00e0u v\u00e0ng h\u1ed5 ph\u00e1ch \u2192 xanh \u0111en khi \u0111\u00e3 b\u00e3o h\u00f2a<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_be_mat_kim_loai_xi_ma\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xu_ly_be_mat_kim_loai_xi_ma\"><\/span>\u2705 X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i &amp; xi m\u1ea1<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>L\u00e0m s\u1ea1ch v\u00e0 ho\u1ea1t h\u00f3a b\u1ec1 m\u1eb7t th\u00e9p tr\u01b0\u1edbc khi xi m\u1ea1<\/li>\n<li>Kh\u1eafc m\u00f4 t\u1ea3 tr\u00ean kim lo\u1ea1i trong ngh\u1ec7 thu\u1eadt v\u00e0 ch\u1ebf t\u00e1c<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xuc_tac_hoa_hoc\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Xuc_tac_hoa_hoc\"><\/span>\u2705 X\u00fac t\u00e1c h\u00f3a h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>FeCl\u2083 l\u00e0 x\u00fac t\u00e1c Friedel-Crafts quan tr\u1ecdng trong t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1 c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong s\u1ea3n xu\u1ea5t thu\u1ed1c, m\u1ef1c in v\u00e0 polyme.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E2%9C%85_Nganh_det_nhuom\"><\/span><span class=\"ez-toc-section\" id=\"%E2%9C%85_Nganh_det_nhuom\"><\/span>\u2705 Ng\u00e0nh d\u1ec7t nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>D\u00f9ng l\u00e0m ch\u1ea5t oxy h\u00f3a trong nhu\u1ed9m aniline \u0111en, t\u1ea1o m\u00e0u n\u00e2u v\u00e0 \u0111en b\u1ec1n tr\u00ean v\u1ea3i.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_3_So_Sanh_FeCl%E2%82%82_va_FeCl%E2%82%83\"><\/span><span class=\"ez-toc-section\" id=\"Phan_3_So_Sanh_FeCl%E2%82%82_va_FeCl%E2%82%83\"><\/span>Ph\u1ea7n 3: So S\u00e1nh FeCl\u2082 v\u00e0 FeCl\u2083<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"border-collapse: collapse; width: 100%; margin: 1em 0;\">\n<tbody>\n<tr>\n<th style=\"background: #f0f4f8;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"background: #f0f4f8;\">FeCl\u2082 (S\u1eaft II)<\/th>\n<th style=\"background: #f0f4f8;\">FeCl\u2083 (S\u1eaft III)<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">H\u00f3a tr\u1ecb s\u1eaft<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">+2 (Ferrous)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">+3 (Ferric)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">M\u00e0u dung d\u1ecbch<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">V\u00e0ng nh\u1ea1t \/ xanh l\u1ee5c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">N\u00e2u v\u00e0ng \/ n\u00e2u \u0111\u1ecf<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Kh\u1ea3 n\u0103ng oxy h\u00f3a<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">T\u00ednh kh\u1eed (b\u1ecb oxy h\u00f3a d\u1ec5)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">T\u00ednh oxy h\u00f3a m\u1ea1nh<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Hi\u1ec7u qu\u1ea3 keo t\u1ee5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Trung b\u00ecnh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Cao h\u01a1n, ph\u1ed5 bi\u1ebfn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">\u1ee8ng d\u1ee5ng ch\u00ednh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, d\u1ec7t, m\u1ea1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">X\u1eed l\u00fd n\u01b0\u1edbc, PCB, x\u00fac t\u00e1c<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">pH ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">6\u20139<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">5\u20139 (r\u1ed9ng h\u01a1n)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Gi\u00e1 th\u00e0nh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Th\u1ea5p h\u01a1n<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Cao h\u01a1n m\u1ed9t ch\u00fat<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">H\u00e0m l\u01b0\u1ee3ng th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">15\u201330%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">36\u201342%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>N\u00ean ch\u1ecdn FeCl\u2082 khi:<\/strong><\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i gi\u00e0u sulfua (H\u2082S) \u2014 FeCl\u2082 k\u1ebft t\u1ee7a sulfua s\u1eaft hi\u1ec7u qu\u1ea3<\/li>\n<li>C\u1ea7n h\u00f3a ch\u1ea5t gi\u00e1 th\u1ea5p h\u01a1n v\u1edbi hi\u1ec7u qu\u1ea3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/li>\n<li>\u1ee8ng d\u1ee5ng d\u1ec7t nhu\u1ed9m (c\u1ea7m m\u00e0u)<\/li>\n<\/ul>\n<p><strong>N\u00ean ch\u1ecdn FeCl\u2083 khi:<\/strong><\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>X\u1eed l\u00fd n\u01b0\u1edbc c\u1ea7n lo\u1ea1i b\u1ecf photphat tri\u1ec7t \u0111\u1ec3<\/li>\n<li>Kh\u1eafc m\u1ea1ch PCB<\/li>\n<li>X\u1eed l\u00fd n\u01b0\u1edbc m\u00e0u (n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m, gi\u1ea5y)<\/li>\n<li>C\u1ea7n t\u1ed1c \u0111\u1ed9 keo t\u1ee5 nhanh<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_4_Huong_Dan_Su_Dung_An_Toan\"><\/span><span class=\"ez-toc-section\" id=\"Phan_4_Huong_Dan_Su_Dung_An_Toan\"><\/span>Ph\u1ea7n 4: H\u01b0\u1edbng D\u1eabn S\u1eed D\u1ee5ng An To\u00e0n<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Trang_bi_bao_ho_bat_buoc\"><\/span><span class=\"ez-toc-section\" id=\"Trang_bi_bao_ho_bat_buoc\"><\/span>Trang b\u1ecb b\u1ea3o h\u1ed9 b\u1eaft bu\u1ed9c<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>\ud83e\udde4 G\u0103ng tay nitrile d\u00e0y<\/li>\n<li>\ud83e\udd7d K\u00ednh b\u1ea3o h\u1ed9 ch\u1ed1ng b\u1eafn h\u00f3a ch\u1ea5t<\/li>\n<li>\ud83d\udc54 T\u1ea1p d\u1ec1 ho\u1eb7c qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9<\/li>\n<li>\ud83d\ude37 Kh\u1ea9u trang (n\u1ebfu thao t\u00e1c l\u01b0\u1ee3ng l\u1edbn)<\/li>\n<li>\ud83d\udca8 Thao t\u00e1c n\u01a1i th\u00f4ng gi\u00f3 t\u1ed1t<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Luu_y_quan_trong\"><\/span><span class=\"ez-toc-section\" id=\"Luu_y_quan_trong\"><\/span>L\u01b0u \u00fd quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li>FeCl\u2083 c\u00f3 t\u00ednh acid m\u1ea1nh (pH ~1,8), <strong>\u0103n m\u00f2n da v\u00e0 m\u1eaft nghi\u00eam tr\u1ecdng<\/strong><\/li>\n<li>Kh\u00f4ng \u0111\u1ec3 ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i \u2014 \u0103n m\u00f2n h\u1ea7u h\u1ebft kim lo\u1ea1i th\u00f4ng th\u01b0\u1eddng<\/li>\n<li>B\u1ea3o qu\u1ea3n trong b\u00ecnh nh\u1ef1a HDPE ho\u1eb7c th\u1ee7y tinh, tr\u00e1nh d\u00f9ng kim lo\u1ea1i<\/li>\n<li>Kh\u00f4ng tr\u1ed9n v\u1edbi ki\u1ec1m m\u1ea1nh, ch\u1ea5t kh\u1eed m\u1ea1nh<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Xu_ly_su_co_tran_do\"><\/span><span class=\"ez-toc-section\" id=\"Xu_ly_su_co_tran_do\"><\/span>X\u1eed l\u00fd s\u1ef1 c\u1ed1 tr\u00e0n \u0111\u1ed5<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol style=\"margin: 8px 0; padding-left: 22px;\">\n<li>Khoanh v\u00f9ng khu v\u1ef1c tr\u00e0n \u0111\u1ed5<\/li>\n<li>Trung h\u00f2a b\u1eb1ng soda ash (Na\u2082CO\u2083) ho\u1eb7c n\u01b0\u1edbc v\u00f4i t\u1eeb t\u1eeb<\/li>\n<li>Thu gom b\u1eb1ng c\u00e1t kh\u00f4 ho\u1eb7c \u0111\u1ea5t h\u00fat \u1ea9m<\/li>\n<li>X\u1eed l\u00fd theo quy \u0111\u1ecbnh ch\u1ea5t th\u1ea3i nguy h\u1ea1i<\/li>\n<li>R\u1eeda khu v\u1ef1c b\u1eb1ng nhi\u1ec1u n\u01b0\u1edbc<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"So_cuu_khi_tiep_xuc\"><\/span><span class=\"ez-toc-section\" id=\"So_cuu_khi_tiep_xuc\"><\/span>S\u01a1 c\u1ee9u khi ti\u1ebfp x\u00fac<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>Da:<\/strong> R\u1eeda ngay b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch \u226515 ph\u00fat<\/li>\n<li><strong>M\u1eaft:<\/strong> R\u1eeda b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch li\u00ean t\u1ee5c \u226520 ph\u00fat, \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf<\/li>\n<li><strong>Nu\u1ed1t ph\u1ea3i:<\/strong> Kh\u00f4ng g\u00e2y n\u00f4n, u\u1ed1ng nhi\u1ec1u n\u01b0\u1edbc, \u0111\u1ebfn b\u1ec7nh vi\u1ec7n ngay<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_5_Bao_Quan_Van_Chuyen\"><\/span><span class=\"ez-toc-section\" id=\"Phan_5_Bao_Quan_Van_Chuyen\"><\/span>Ph\u1ea7n 5: B\u1ea3o Qu\u1ea3n &amp; V\u1eadn Chuy\u1ec3n<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"border-collapse: collapse; width: 100%; margin: 1em 0;\">\n<tbody>\n<tr>\n<th style=\"background: #f0f4f8;\">Y\u1ebfu t\u1ed1<\/th>\n<th style=\"background: #f0f4f8;\">Y\u00eau c\u1ea7u<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Nhi\u1ec7t \u0111\u1ed9 b\u1ea3o qu\u1ea3n<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">5\u201335\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">M\u00f4i tr\u01b0\u1eddng<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Bao b\u00ec<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Can HDPE, phuy nh\u1ef1a, tank IBC<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">C\u00e1ch ly<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Tr\u00e1nh xa ch\u1ea5t ki\u1ec1m, kim lo\u1ea1i, v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Ph\u00e2n lo\u1ea1i ADR<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Ch\u1ea5t \u0103n m\u00f2n (Corrosive) \u2014 nh\u00f3m 8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">V\u1eadn chuy\u1ec3n<\/td>\n<td style=\"border: 1px solid #ddd; padding: 7px 10px;\">Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u1eadn chuy\u1ec3n h\u00f3a ch\u1ea5t nguy hi\u1ec3m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_6_Cau_Hoi_Thuong_Gap_FAQ_%E2%80%94_AEO_Optimized\"><\/span><span class=\"ez-toc-section\" id=\"Phan_6_Cau_Hoi_Thuong_Gap_FAQ_%E2%80%94_AEO_Optimized\"><\/span>Ph\u1ea7n 6: C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ \u2014 AEO Optimized)<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>FeCl2 v\u00e0 FeCl3 kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n<p>FeCl\u2082 ch\u1ee9a s\u1eaft h\u00f3a tr\u1ecb II (ferrous), c\u00f3 t\u00ednh kh\u1eed v\u00e0 m\u00e0u v\u00e0ng nh\u1ea1t. FeCl\u2083 ch\u1ee9a s\u1eaft h\u00f3a tr\u1ecb III (ferric), c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh, m\u00e0u n\u00e2u \u0111\u1ecf v\u00e0 hi\u1ec7u qu\u1ea3 keo t\u1ee5 cao h\u01a1n. FeCl\u2083 ph\u1ed5 bi\u1ebfn h\u01a1n trong x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 PCB etching.<\/p>\n<p><strong>FeCl3 d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i?<\/strong><\/p>\n<p>FeCl\u2083 l\u00e0 ch\u1ea5t keo t\u1ee5, khi th\u00eam v\u00e0o n\u01b0\u1edbc, ion Fe\u00b3\u207a th\u1ee7y ph\u00e2n t\u1ea1o Fe(OH)\u2083 d\u1ea1ng keo b\u1eaby c\u00e1c h\u1ea1t l\u01a1 l\u1eedng, m\u00e0u, m\u00f9i v\u00e0 photphat, sau \u0111\u00f3 l\u1eafng xu\u1ed1ng ho\u1eb7c \u0111\u01b0\u1ee3c l\u1ecdc b\u1ecf. Hi\u1ec7u qu\u1ea3 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, sinh ho\u1ea1t v\u00e0 ki\u1ec3m so\u00e1t ph\u00fa d\u01b0\u1ee1ng.<\/p>\n<p><strong>FeCl3 40% d\u00f9ng kh\u1eafc m\u1ea1ch PCB nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n<p>Nh\u00fang b\u1ea3ng m\u1ea1ch \u0111\u1ed3ng (\u0111\u00e3 ph\u1ee7 resist \u1edf v\u00f9ng c\u1ea7n gi\u1eef l\u1ea1i) v\u00e0o dung d\u1ecbch FeCl\u2083 40%. Ph\u1ea3n \u1ee9ng: 2FeCl\u2083 + Cu \u2192 2FeCl\u2082 + CuCl\u2082 lo\u1ea1i b\u1ecf \u0111\u1ed3ng l\u1ed9 ra, ch\u1ec9 gi\u1eef l\u1ea1i \u0111\u01b0\u1eddng m\u1ea1ch theo thi\u1ebft k\u1ebf. \u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (25\u201332\u00b0C), th\u1eddi gian \u0103n m\u00f2n kho\u1ea3ng 10\u201330 ph\u00fat t\u00f9y n\u1ed3ng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng.<\/p>\n<p><strong>FeCl2 c\u00f3 th\u1ec3 thay th\u1ebf FeCl3 trong x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng?<\/strong><\/p>\n<p>\u0110\u01b0\u1ee3c nh\u01b0ng hi\u1ec7u qu\u1ea3 th\u1ea5p h\u01a1n. FeCl\u2082 ph\u00f9 h\u1ee3p khi c\u1ea7n kh\u1eed sulfua (H\u2082S) trong n\u01b0\u1edbc th\u1ea3i. V\u1edbi m\u1ee5c ti\u00eau lo\u1ea1i phosphat ho\u1eb7c x\u1eed l\u00fd m\u00e0u, FeCl\u2083 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean.<\/p>\n<p><strong>Mua FeCl2 v\u00e0 FeCl3 \u1edf \u0111\u00e2u t\u1ea1i Vi\u1ec7t Nam?<\/strong><\/p>\n<p>Nhi\u1ec1u nh\u00e0 cung c\u1ea5p h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam ph\u00e2n ph\u1ed1i FeCl\u2082 v\u00e0 FeCl\u2083, bao g\u1ed3m H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean, VietChem, Hanimex, Ng\u1ecdc Gia Nguy\u1ec5n v\u00e0 S\u00e0i G\u00f2n Chem. N\u00ean ch\u1ecdn \u0111\u01a1n v\u1ecb c\u00f3 ch\u1ee9ng t\u1eeb COA, MSDS r\u00f5 r\u00e0ng, h\u00e0ng l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o.<\/p>\n<p><strong>Li\u1ec1u l\u01b0\u1ee3ng FeCl3 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i l\u00e0 bao nhi\u00eau?<\/strong><\/p>\n<p>T\u00f9y thu\u1ed9c v\u00e0o t\u1ea3i l\u01b0\u1ee3ng \u00f4 nhi\u1ec5m. Th\u00f4ng th\u01b0\u1eddng 20\u2013200 mg\/L cho n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb, 100\u2013500 mg\/L cho n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u0111\u1eadm \u0111\u1eb7c. C\u1ea7n jar test tr\u01b0\u1edbc \u0111\u1ec3 t\u1ed1i \u01b0u li\u1ec1u l\u01b0\u1ee3ng c\u1ee5 th\u1ec3.<\/p>\n<p><strong>FeCl3 c\u00f3 \u0111\u1ed9c kh\u00f4ng?<\/strong><\/p>\n<p>FeCl\u2083 kh\u00f4ng \u0111\u1ed9c c\u1ea5p t\u00ednh theo \u0111\u01b0\u1eddng mi\u1ec7ng \u1edf li\u1ec1u th\u1ea5p nh\u01b0ng l\u00e0 ch\u1ea5t \u0103n m\u00f2n da v\u00e0 m\u1eaft. Trong m\u00f4i tr\u01b0\u1eddng th\u1ee7y sinh, n\u1ed3ng \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i. C\u1ea7n x\u1eed l\u00fd \u0111\u00fang quy tr\u00ecnh tr\u01b0\u1edbc khi th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Phan_7_Tieu_Chuan_Chung_Nhan_Can_Quan_Tam\"><\/span><span class=\"ez-toc-section\" id=\"Phan_7_Tieu_Chuan_Chung_Nhan_Can_Quan_Tam\"><\/span>Ph\u1ea7n 7: Ti\u00eau Chu\u1ea9n &amp; Ch\u1ee9ng Nh\u1eadn C\u1ea7n Quan T\u00e2m<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi mua FeCl\u2082 ho\u1eb7c FeCl\u2083 cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p, c\u1ea7n y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p cung c\u1ea5p:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>COA (Certificate of Analysis):<\/strong> X\u00e1c nh\u1eadn h\u00e0m l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tinh khi\u1ebft<\/li>\n<li><strong>MSDS\/SDS (Safety Data Sheet):<\/strong> H\u01b0\u1edbng d\u1eabn an to\u00e0n \u0111\u1ea7y \u0111\u1ee7<\/li>\n<li><strong>Ch\u1ee9ng nh\u1eadn ZDHC (v\u1edbi ng\u00e0nh d\u1ec7t may):<\/strong> \u0110\u1ea3m b\u1ea3o kh\u00f4ng ch\u1ee9a h\u00f3a ch\u1ea5t nguy hi\u1ec3m trong chu\u1ed7i cung \u1ee9ng d\u1ec7t may<\/li>\n<li><strong>ISO 9001:<\/strong> Ch\u1ee9ng nh\u1eadn h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng nh\u00e0 cung c\u1ea5p<\/li>\n<li><strong>Gi\u1ea5y ph\u00e9p kinh doanh h\u00f3a ch\u1ea5t nguy hi\u1ec3m<\/strong> theo Ngh\u1ecb \u0111\u1ecbnh 113\/2017\/N\u0110-CP<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"Ket_Luan\"><\/span><span class=\"ez-toc-section\" id=\"Ket_Luan\"><\/span>K\u1ebft Lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>FeCl\u2082 v\u00e0 FeCl\u2083 l\u00e0 hai h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p thi\u1ebft y\u1ebfu, m\u1ed7i lo\u1ea1i c\u00f3 th\u1ebf m\u1ea1nh \u1ee9ng d\u1ee5ng ri\u00eang:<\/p>\n<ul style=\"margin: 8px 0; padding-left: 22px;\">\n<li><strong>FeCl\u2082<\/strong> ph\u00f9 h\u1ee3p cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f3 sulfua cao, ng\u00e0nh d\u1ec7t nhu\u1ed9m, xi m\u1ea1 v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n<\/li>\n<li><strong>FeCl\u2083<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho x\u1eed l\u00fd n\u01b0\u1edbc\/n\u01b0\u1edbc th\u1ea3i quy m\u00f4 l\u1edbn, PCB etching, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n keo t\u1ee5 phosphat hi\u1ec7u qu\u1ea3 cao<\/li>\n<\/ul>\n<p>L\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i v\u00e0 n\u1ed3ng \u0111\u1ed9, k\u1ebft h\u1ee3p v\u1edbi nh\u00e0 cung c\u1ea5p uy t\u00edn c\u00f3 \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9ng t\u1eeb, s\u1ebd gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>FeCl2 v\u00e0 FeCl3 \u2013 S\u1eaft Clorua: H\u00f3a Ch\u1ea5t C\u00f4ng Nghi\u1ec7p Kh\u00f4ng Th\u1ec3 Thi\u1ebfu Trong X\u1eed L\u00fd N\u01b0\u1edbc &amp; S\u1ea3n Xu\u1ea5t T\u00f3m t\u1eaft nhanh: FeCl2 (S\u1eaft II Clorua \/ Ferrous Chloride) v\u00e0 FeCl3 (S\u1eaft III Clorua \/ Ferric Chloride) l\u00e0 hai h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p quan tr\u1ecdng. FeCl2 d\u00f9ng cho ph\u1ea3n \u1ee9ng Fenton, kh\u1eed Cr6+, x\u1eed [&#8230;]\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1233,1234],"tags":[],"class_list":["post-9110","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-cong-nghiep","category-hoa-chat-xu-ly-nuoc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9110","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=9110"}],"version-history":[{"count":5,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9110\/revisions"}],"predecessor-version":[{"id":9136,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9110\/revisions\/9136"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=9110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=9110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=9110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}