{"id":1793,"date":"2024-03-15T08:00:00","date_gmt":"2024-03-15T01:00:00","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=1793"},"modified":"2026-07-06T04:20:26","modified_gmt":"2026-07-05T21:20:26","slug":"tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2","title":{"rendered":"FeCl2 (S\u1eaft II Clorua): T\u00ednh Ch\u1ea5t, \u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p &#038; Gi\u00e1 Mua 2026"},"content":{"rendered":"<p><em>S\u1eaft (II) Clorua (FeCl2) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Ngo\u00e0i ra, FeCl2 c\u00f2n c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong ng\u00e0nh luy\u1ec7n kim, t\u1ed5ng h\u1ee3p h\u00f3a ch\u1ea5t v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a FeCl2, h\u00e3y c\u00f9ng H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean kh\u00e1m ph\u00e1 chi ti\u1ebft qua b\u00e0i vi\u1ebft sau.<\/em><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\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\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Tim_hieu_doi_net_ve_sat_II_clorua\" title=\"T\u00ecm hi\u1ec3u \u0111\u00f4i n\u00e9t v\u1ec1 s\u1eaft (II) clorua:\">T\u00ecm hi\u1ec3u \u0111\u00f4i n\u00e9t v\u1ec1 s\u1eaft (II) clorua:<\/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\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Tinh_chat_vat_ly_FeCl2\" title=\"T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl2:\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl2:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Tinh_chat_hoa_hoc_FeCl2\" title=\"T\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc FeCl2:\">T\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc FeCl2:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Nhung_ung_dung_quan_trong_cua_sat_II_clorua\" title=\"Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a s\u1eaft (II) clorua:\">Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a s\u1eaft (II) clorua:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Ung_dung_mo_rong_cua_FeCl2\" title=\"\u1ee8ng d\u1ee5ng m\u1edf r\u1ed9ng c\u1ee7a FeCl2\">\u1ee8ng d\u1ee5ng m\u1edf r\u1ed9ng c\u1ee7a FeCl2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#So_sanh_FeCl2_voi_FeCl3\" title=\"So s\u00e1nh FeCl2 v\u1edbi FeCl3\">So s\u00e1nh FeCl2 v\u1edbi FeCl3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Cach_bao_quan_FeCl%E2%82%82\" title=\"C\u00e1ch b\u1ea3o qu\u1ea3n FeCl\u2082\">C\u00e1ch b\u1ea3o qu\u1ea3n FeCl\u2082<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Nen_mua_Sat_II_clorua_chat_luong_gia_thanh_canh_tranh_o_dau\" title=\"N\u00ean mua S\u1eaft (II) clorua ch\u1ea5t l\u01b0\u1ee3ng, gi\u00e1 th\u00e0nh c\u1ea1nh tranh \u1edf \u0111\u00e2u:\">N\u00ean mua S\u1eaft (II) clorua ch\u1ea5t l\u01b0\u1ee3ng, gi\u00e1 th\u00e0nh c\u1ea1nh tranh \u1edf \u0111\u00e2u:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#FeCl%E2%82%82_co_doc_hai_khong_Lam_the_nao_de_xu_ly_an_toan\" title=\"FeCl\u2082 c\u00f3 \u0111\u1ed9c h\u1ea1i kh\u00f4ng? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u1eed l\u00fd an to\u00e0n?\">FeCl\u2082 c\u00f3 \u0111\u1ed9c h\u1ea1i kh\u00f4ng? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u1eed l\u00fd an to\u00e0n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#FeCl%E2%82%82_co_the_duoc_tai_che_hay_khong\" title=\"FeCl\u2082 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf hay kh\u00f4ng?\">FeCl\u2082 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf hay kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#Tai_sao_FeCl%E2%82%82_de_bi_oxi_hoa_va_co_cach_nao_de_ngan_chan_qua_trinh_nay_khong\" title=\"T\u1ea1i sao FeCl\u2082 d\u1ec5 b\u1ecb oxi h\u00f3a v\u00e0 c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng?\">T\u1ea1i sao FeCl\u2082 d\u1ec5 b\u1ecb oxi h\u00f3a v\u00e0 c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#FeCl%E2%82%82_co_anh_huong_den_he_sinh_thai_khong\" title=\"FeCl\u2082 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i kh\u00f4ng?\">FeCl\u2082 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/zh\/tim-hieu-tinh-chat-vat-ly-va-hoa-hoc-cua-sat-ii-clorua-fecl2\/#FeCl%E2%82%82_co_the_thay_the_FeCl%E2%82%83_trong_cac_ung_dung_cong_nghiep_khong\" title=\"FeCl\u2082 c\u00f3 th\u1ec3 thay th\u1ebf FeCl\u2083 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00f4ng?\">FeCl\u2082 c\u00f3 th\u1ec3 thay th\u1ebf FeCl\u2083 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_doi_net_ve_sat_II_clorua\"><\/span><strong>T\u00ecm hi\u1ec3u \u0111\u00f4i n\u00e9t v\u1ec1 s\u1eaft (II) clorua:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>S\u1eaft (II) Clorua l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t ho\u00e1 h\u1ecdc ch\u1ee9a s\u1eaft \u1edf tr\u1ea1ng th\u00e1i \u00f4n ho\u00e0 +2. V\u1edbi c\u00f4ng th\u1ee9c FeCl2, g\u1ed3m nguy\u00ean t\u1eed Fe v\u00e0 Cl. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u qua c\u00e1c t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt d\u01b0\u1edbi \u0111\u00e2y. S\u1eaft (II) Clorua (FeCl\u2082) t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng ch\u00ednh: d\u1ea1ng khan c\u00f3 m\u00e0u tr\u1eafng ho\u1eb7c x\u00e1m, v\u00e0 d\u1ea1ng ng\u1eadm n\u01b0\u1edbc (FeCl\u2082\u00b74H\u2082O) c\u00f3 m\u00e0u xanh nh\u1ea1t. <\/p><p>H\u1ee3p ch\u1ea5t n\u00e0y d\u1ec5 b\u1ecb oxi h\u00f3a khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed, chuy\u1ec3n d\u1ea7n th\u00e0nh s\u1eaft (III) clorua (FeCl\u2083). Nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1eb7c tr\u01b0ng n\u00e0y, FeCl\u2082 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p v\u00e0 nghi\u00ean c\u1ee9u. Ti\u1ebfp theo, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a FeCl\u2082 \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 h\u1ee3p ch\u1ea5t n\u00e0y.<\/p><div class=\"wp-block-image wp-image-3669\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"600\" height=\"469\" data-sizes=\"(max-width: 600px) 100vw, 600px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/tinh-chat-hoa-hoc-fecl2.jpg\" alt=\"FeCl2 - S\u1eaft II Clorua\" class=\"wp-image-3669 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/tinh-chat-hoa-hoc-fecl2.jpg 600w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/tinh-chat-hoa-hoc-fecl2-500x391.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/469;\" \/><figcaption class=\"wp-element-caption\">T\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc fecl2<\/figcaption><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_FeCl2\"><\/span><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd FeCl2:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nS\u1eaft (II) clorua l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t ion c\u00f3 t\u00ednh ch\u1ea5t d\u1ec5 h\u00f2a tan trong n\u01b0\u1edbc.\n<\/p><ul class=\"wp-block-list\"><li><strong>S\u1eaft (II) Clorua<\/strong>\u00a0t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng r\u1eafn khan c\u00f3 m\u00e0u tr\u1eafng ho\u1eb7c x\u00e1m. Ch\u00fang c\u00f2n \u1edf d\u1ea1ng ng\u1eadm n\u01b0\u1edbc FeCl2.4H2O c\u00f3 m\u00e0u xanh nhat. Khi \u0111\u1ec3 trong kh\u00f4ng kh\u00ed, FeCl2 d\u1ec5 b\u1ecb ch\u1ea3y r\u1eefa v\u00e0 b\u1ecb oxi ho\u00e1 th\u00e0nh s\u1eaft (III).<\/li>\n\n<li><strong>\u989c\u8272\uff1a<\/strong> D\u1ea1ng khan c\u00f3 m\u00e0u tr\u1eafng\/x\u00e1m, d\u1ea1ng ng\u1eadm n\u01b0\u1edbc (FeCl\u2082\u00b74H\u2082O) c\u00f3 m\u00e0u xanh nh\u1ea1t.<\/li>\n\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng mol:<\/strong><ul class=\"wp-block-list\"><li>FeCl\u2082 khan: 126.75 g\/mol.<\/li>\n\n<li>FeCl\u2082\u00b74H\u2082O: 198.81 g\/mol.<\/li><\/ul><\/li>\n\n<li><strong>\u5bc6\u5ea6<\/strong><ul class=\"wp-block-list\"><li>D\u1ea1ng khan: 3.16 g\/cm\u00b3.<\/li>\n\n<li>D\u1ea1ng ng\u1eadm n\u01b0\u1edbc: 1.93 g\/cm\u00b3.<\/li><\/ul><\/li>\n\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y:<\/strong><ul class=\"wp-block-list\"><li>FeCl\u2082 khan: 677\u00b0C.<\/li>\n\n<li>FeCl\u2082\u00b74H\u2082O: 105\u00b0C.<\/li><\/ul><\/li>\n\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 s\u00f4i:<\/strong> 1.023\u00b0C (FeCl\u2082 khan).<\/li>\n\n<li><strong>\u6c34\u6eb6\u6027<\/strong><ul class=\"wp-block-list\"><li>10\u00b0C: 64.4 g\/100 ml.<\/li>\n\n<li>20\u00b0C: 68.5 g\/100 ml.<\/li>\n\n<li>100\u00b0C: 105.7 g\/100 ml.<\/li>\n\n<li>FeCl\u2082 d\u1ec5 b\u1ecb oxi h\u00f3a trong kh\u00f4ng kh\u00ed, chuy\u1ec3n th\u00e0nh FeCl\u2083 (m\u00e0u v\u00e0ng n\u00e2u).<\/li><\/ul><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_FeCl2\"><\/span><strong>T\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc FeCl2:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong><strong>FeCl2 c\u00f3 k\u1ebft t\u1ee7a kh\u00f4ng? <\/strong><\/strong>S\u1eaft (II) clorua <strong style=\"color: #555555;\">c\u00f3 k\u1ebft t\u1ee7a<\/strong><span style=\"color: #555555;\"> khi ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch ki\u1ec1m m\u1ea1nh nh\u01b0 NaOH ho\u1eb7c KOH. Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng nh\u01b0 sau:<\/span><ul class=\"wp-block-list\"><li><span class=\"mord mathnormal\">FeC<span class=\"mord mathnormal\">l<span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span>\u200b<\/span><\/span><\/span><\/span>+<\/span><span class=\"base\" style=\"color: #555555; text-align: center;\"><span class=\"mord\">2KOH\u2192Fe(OH)<span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span>\u200b<\/span><\/span><\/span><\/span>\u2193(k\u1ebft t\u1ee7a xanh)+2KCl<\/span><\/span><br><ul><li>K\u1ebft t\u1ee7a <strong>Fe(OH)\u2082<\/strong> c\u00f3 m\u00e0u <strong>tr\u1eafng xanh<\/strong>, kh\u00f4ng tan trong n\u01b0\u1edbc. Khi \u0111\u1ec3 ngo\u00e0i kh\u00f4ng kh\u00ed, n\u00f3 nhanh ch\u00f3ng b\u1ecb oxi h\u00f3a th\u00e0nh Fe(OH)\u2083 m\u00e0u <strong>n\u00e2u \u0111\u1ecf<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><span class=\"base\"><span class=\"mord\"><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>4Fe(OH)2\u200b+O2\u200b+2H2\u200bO\u21924Fe(OH)3\u200b<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>T\u00ednh ch\u1ea5t FeCl2:<\/strong><strong> Ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c ch\u1ea5t oxi h\u00f3a m\u1ea1nh (th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed):<\/strong><ul class=\"wp-block-list\"><li>2FeCl2 + Cl2 \u2192 2FeCl3<\/li><\/ul><\/li>\n\n<li><strong>T\u00ednh ch\u1ea5t FeCl2: <\/strong><strong>Ph\u1ea3n \u1ee9ng v\u1edbi nh\u1eefng axit m\u1ea1nh h\u01a1n acid clohydric:<\/strong><ul class=\"wp-block-list\"><li>6FeCl2 + 6H2SO4 \u2192 Fe2(SO4)3 + 3SO2 + 4FeCl3 + 6H2O<\/li><\/ul><\/li>\n\n<li><strong>FeCl2 c\u00f3 tan kh\u00f4ng? <\/strong>FeCl\u2082 tan t\u1ed1t trong n\u01b0\u1edbc v\u00e0 t\u1ea1o th\u00e0nh dung d\u1ecbch c\u00f3 t\u00ednh axit y\u1ebfu.<ul class=\"wp-block-list\"><li>\u1ede <strong>nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng<\/strong>, FeCl\u2082 d\u1ec5 d\u00e0ng h\u00f2a tan v\u1edbi \u0111\u1ed9 h\u00f2a tan kh\u00e1 cao:<ul class=\"wp-block-list\"><li><strong>10\u00b0C<\/strong>: 64.4 g\/100 ml n\u01b0\u1edbc<\/li>\n\n<li><strong>20\u00b0C<\/strong>: 68.5 g\/100 ml n\u01b0\u1edbc<\/li>\n\n<li><strong>100\u00b0C<\/strong>: 105.7 g\/100 ml n\u01b0\u1edbc<\/li><\/ul><\/li>\n\n<li>FeCl\u2082 c\u0169ng tan trong <strong>dung m\u00f4i h\u1eefu c\u01a1<\/strong> nh\u01b0 methanol, ethanol nh\u01b0ng k\u00e9m h\u01a1n so v\u1edbi n\u01b0\u1edbc.<\/li>\n\n<li><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong><ul class=\"wp-block-list\"><li>Khi FeCl\u2082 b\u1ecb <strong>oxi h\u00f3a<\/strong>, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh FeCl\u2083, ch\u1ea5t n\u00e0y tan t\u1ed1t h\u01a1n trong n\u01b0\u1edbc.<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>T\u00ednh ch\u1ea5t FeCl2: <\/strong><strong>Ph\u1ea3n \u1ee9ng v\u1edbi mu\u1ed1i t\u1ea1o ra 2 mu\u1ed1i m\u1edbi:<\/strong><ul class=\"wp-block-list\"><li>2AgNO3 + FeCl2 \u2192 2AgCl + Fe(NO3)2<\/li><\/ul><\/li>\n\n<li><strong>FeCl2 l\u00e0 axit hay baz\u01a1?<\/strong><ul class=\"wp-block-list\"><li>FeCl\u2082 l\u00e0 m\u1ed9t mu\u1ed1i c\u1ee7a axit m\u1ea1nh (HCl) v\u00e0 baz\u01a1 y\u1ebfu (Fe(OH)\u2082), n\u00ean dung d\u1ecbch FeCl\u2082 trong n\u01b0\u1edbc c\u00f3 t\u00ednh axit nh\u1eb9.<ul class=\"wp-block-list\"><li>Khi h\u00f2a tan trong n\u01b0\u1edbc, FeCl\u2082 <strong>th\u1ee7y ph\u00e2n m\u1ed9t ph\u1ea7n<\/strong>, t\u1ea1o ra ion H\u207a l\u00e0m dung d\u1ecbch c\u00f3 pH &lt; 7.<\/li>\n\n<li>T\u00ednh axit c\u1ee7a FeCl2 m\u1ea1nh h\u01a1n mu\u1ed1i c\u1ee7a baz\u01a1 m\u1ea1nh nh\u01b0 NaCl nh\u01b0ng y\u1ebfu h\u01a1n FeCl3.<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>FeCl\u2082 l\u00e0 ch\u1ea5t \u0111i\u1ec7n li m\u1ea1nh hay y\u1ebfu?<\/strong><ul class=\"wp-block-list\"><li>FeCl\u2082 l\u00e0 m\u1ed9t ch\u1ea5t \u0111i\u1ec7n li m\u1ea1nh, khi tan trong n\u01b0\u1edbc ph\u00e2n ly ho\u00e0n to\u00e0n th\u00e0nh ion:<ul class=\"wp-block-list\"><li><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord mathnormal\">e<\/span><span class=\"mord mathnormal\">C<\/span><span class=\"mord\"><span class=\"mord mathnormal\">l<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">F<\/span><span class=\"mord\"><span class=\"mord mathnormal\">e<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2+<\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\">C<\/span><span class=\"mord\"><span class=\"mord mathnormal\">l<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mbin mtight\">\u2212<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li><\/ul><\/li>\n\n<li><strong>Ion Fe\u00b2\u207a<\/strong> c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ph\u1ea3n \u1ee9ng kh\u1eed v\u00e0 t\u1ed5ng h\u1ee3p h\u00f3a ch\u1ea5t.<\/li>\n\n<li><strong>\u5e94\u7528<\/strong> Nh\u1edd kh\u1ea3 n\u0103ng \u0111i\u1ec7n li m\u1ea1nh, FeCl\u2082 \u0111\u01b0\u1ee3c d\u00f9ng trong <strong>\u0111i\u1ec7n ph\u00e2n v\u00e0 s\u1ea3n xu\u1ea5t s\u1eaft tinh khi\u1ebft<\/strong>.<\/li><\/ul><\/li>\n\n<li><strong>FeCl2 c\u00f3 m\u00e0u g\u00ec?<\/strong><ul class=\"wp-block-list\"><li>M\u00e0u c\u1ee7a FeCl\u2082 ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1ea1ng th\u00e1i v\u00e0 m\u1ee9c \u0111\u1ed9 oxi h\u00f3a:<ul class=\"wp-block-list\"><li><strong>D\u1ea1ng khan<\/strong>: Tr\u1eafng ho\u1eb7c x\u00e1m<\/li>\n\n<li><strong>D\u1ea1ng ng\u1eadm n\u01b0\u1edbc FeCl\u2082\u00b74H\u2082O<\/strong>: Xanh nh\u1ea1t<\/li>\n\n<li><strong>Dung d\u1ecbch n\u01b0\u1edbc<\/strong>: Xanh l\u1ee5c nh\u1ea1t ho\u1eb7c v\u00e0ng nh\u1ea1t<\/li>\n\n<li><strong>B\u1ecb oxi h\u00f3a th\u00e0nh FeCl\u2083<\/strong>: M\u00e0u v\u00e0ng n\u00e2u<\/li><\/ul><\/li>\n\n<li><strong>Hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p:<\/strong><ul class=\"wp-block-list\"><li>N\u1ebfu FeCl\u2082 khan <strong>b\u1ecb ng\u1ea3 v\u00e0ng<\/strong> \u2192 c\u00f3 th\u1ec3 do <strong>h\u1ea5p th\u1ee5 h\u01a1i n\u01b0\u1edbc v\u00e0 oxi h\u00f3a th\u00e0nh FeCl\u2083<\/strong>.<\/li>\n\n<li>N\u1ebfu dung d\u1ecbch FeCl\u2082 <strong>chuy\u1ec3n n\u00e2u<\/strong> sau khi \u0111\u1ec3 l\u00e2u \u2192 ch\u1ee9ng t\u1ecf \u0111\u00e3 c\u00f3 ph\u1ea3n \u1ee9ng oxi h\u00f3a x\u1ea3y ra.<\/li><\/ul><\/li><\/ul><\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\u4e86\u89e3\u66f4\u591a<\/strong><\/p>\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/hoachatlocthien.com\/zh\/phen-sat-fecl3-mau-gi-tinh-chat-vat-ly-va-hoa-hoc-cua-fecl3\/\">FeCL 3 m\u00e0u g\u00ec<\/a><\/li>\n\n<li><a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-la-gi-ung-dung-noi-bat-cua-fecl2\/\">FeCL2 l\u00e0 ch\u1ea5t g\u00ec<\/a><\/li><\/ul><\/blockquote><p>\nNgo\u00e0i ra, trong m\u00f4i tr\u01b0\u1eddng c\u00f3 x\u00fac t\u00e1c l\u00e0 axit ho\u1eb7c kh\u00ed halogen, <strong>s\u1eaft (II) clorua<\/strong> c\u00f3 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 g\u1ed1c pemanganat (MnO4-) ho\u1eb7c dicromat (Cr2O7-) \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i s\u1eaft c\u00f3 g\u1ed1c t\u01b0\u01a1ng \u1ee9ng. C\u00e1c ph\u1ea3n \u1ee9ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch h\u00f3a h\u1ecdc.\n<\/p><div class=\"wp-block-image wp-image-3674\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"600\" height=\"600\" data-sizes=\"(max-width: 600px) 100vw, 600px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/sat-ii-clorua.jpg\" alt=\"\" class=\"wp-image-3674 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/sat-ii-clorua.jpg 600w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/sat-ii-clorua-500x500.jpg 500w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/sat-ii-clorua-100x100.jpg 100w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/600;\" \/><figcaption class=\"wp-element-caption\">S\u1eaft ii clorua &#8211; fecl2<\/figcaption><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_ung_dung_quan_trong_cua_sat_II_clorua\"><\/span><strong>Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a s\u1eaft (II) clorua:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nSau khi t\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t FeCl2, ch\u00fang ta c\u00f9ng \u0111i t\u00ecm hi\u1ec3u v\u1ec1 \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a S\u1eaft (II) Cloura\n\nV\u1edbi nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t <strong>FeCl2<\/strong> c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi.\n<\/p><ul class=\"wp-block-list\"><li>\u1ede d\u1ea1ng dung d\u1ecbch 30%, <strong><a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-ung-dung-trong-xu-ly-nuoc-thai-ban-da-biet\/\" target=\"_new\" rel=\"noopener\">FeCl2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/a><\/strong> \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, n\u01b0\u1edbc th\u1ea3i ch\u0103n nu\u00f4i, v\u00e0 n\u01b0\u1edbc th\u1ea3i t\u1eeb b\u1ec7nh vi\u1ec7n. S\u1eaft (II) Clorua \u0111\u00f3ng vai tr\u00f2 l\u00e0m ch\u1ea5t t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9c t\u1ed1 v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/li>\n\n<li><strong>FeCl2<\/strong> c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ec7t nhu\u1ed9m. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1o ra c\u00e1c m\u00e0u s\u1eaft \u0111\u1ed9c \u0111\u00e1o, sang tr\u1ecdng v\u00e0 phong c\u00e1ch. Ch\u00fang c\u00f2n gi\u00fap duy tr\u00ec \u0111\u1ed9 s\u00e1ng b\u1ec1n b\u1ec9 c\u1ee7a m\u00e0u s\u1eafc tr\u00ean v\u1ea3i qua th\u1eddi gian.<\/li>\n\n<li>Trong c\u00f4ng nghi\u1ec7p in \u1ea5n, ho\u00e1 ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1ea3n xu\u1ea5t m\u1ef1c in \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ef1c in ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc.<\/li>\n\n<li>Ch\u00fang c\u00f2n l\u00e0 ho\u00e1 ch\u1ea5t quan tr\u1ecdng d\u00f9ng trong ph\u00f2ng th\u00ed nghi\u1ec7m, d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf FeCl3. Ngo\u00e0i ra, c\u00e1c <strong><a href=\"https:\/\/hoachatlocthien.com\/zh\/sat-clorua-fecl2-fecl3\/\" target=\"_new\" rel=\"noopener\">mu\u1ed1i s\u1eaft<\/a><\/strong> nh\u01b0 FeCl2 v\u00e0 FeCl3 c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 d\u1ec7t may, in \u1ea5n, v\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t.<\/li>\n\n<li><strong>S\u1eaft (II) clorua<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c lo\u1ea1i thu\u1ed1c ch\u1ed1ng ung th\u01b0 m\u1edf ra nh\u1eefng con \u0111\u01b0\u1eddng m\u1edbi cho ng\u00e0nh y h\u1ecdc.<\/li><\/ul><p class=\"has-text-align-left\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd, t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc, nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn \u1ee9ng d\u1ee5ng c\u1ee7a <strong>S\u1eaft (II) Clorua<\/strong>.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_dung_mo_rong_cua_FeCl2\"><\/span><strong>\u1ee8ng d\u1ee5ng m\u1edf r\u1ed9ng c\u1ee7a FeCl2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>\nNgo\u00e0i nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p, FeCl\u2082 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c:\n<\/p><ul class=\"wp-block-list\"><li><strong>\u1ee8ng d\u1ee5ng trong luy\u1ec7n kim<\/strong><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1ee3c d\u00f9ng trong s\u1ea3n xu\u1ea5t <strong>s\u1eaft tinh khi\u1ebft<\/strong> \u548c <strong>m\u1ea1 kim lo\u1ea1i<\/strong>.<\/li>\n\n<li>L\u00e0 <strong>ch\u1ea5t kh\u1eed<\/strong> trong qu\u00e1 tr\u00ecnh luy\u1ec7n kim \u0111\u1ec3 lo\u1ea1i b\u1ecf oxi kh\u1ecfi h\u1ee3p ch\u1ea5t s\u1eaft.<\/li><\/ul><\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng trong t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc<\/strong><ul class=\"wp-block-list\"><li>D\u00f9ng l\u00e0m ch\u1ea5t x\u00fac t\u00e1c trong t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1, \u0111\u1eb7c bi\u1ec7t trong s\u1ea3n xu\u1ea5t thu\u1ed1c nhu\u1ed9m v\u00e0 polymer.<\/li>\n\n<li>L\u00e0 ti\u1ec1n ch\u1ea5t \u0111\u1ec3 t\u1ed5ng h\u1ee3p <strong>s\u1eaft (III) clorua<\/strong> (FeCl\u2083), h\u00f3a ch\u1ea5t quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p.<\/li><\/ul><\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 m\u00f4i tr\u01b0\u1eddng<\/strong><ul class=\"wp-block-list\"><li>D\u00f9ng \u0111\u1ec3 <strong>x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong>, gi\u00fap lo\u1ea1i b\u1ecf <strong>kim lo\u1ea1i n\u1eb7ng<\/strong> v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1.<\/li>\n\n<li>Gi\u00fap <strong>k\u1ebft t\u1ee7a photphat<\/strong> trong n\u01b0\u1edbc th\u1ea3i, l\u00e0m gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul><\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng trong y h\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u<\/strong><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nghi\u00ean c\u1ee9u <strong>t\u01b0\u01a1ng t\u00e1c sinh h\u00f3a<\/strong> li\u00ean quan \u0111\u1ebfn ion s\u1eaft.<\/li>\n\n<li>L\u00e0 th\u00e0nh ph\u1ea7n trong m\u1ed9t s\u1ed1 <strong>thu\u1ed1c b\u1ed5 sung s\u1eaft<\/strong> \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb thi\u1ebfu m\u00e1u.<\/li><\/ul><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_sanh_FeCl2_voi_FeCl3\"><\/span><strong>So s\u00e1nh FeCl2 v\u1edbi FeCl3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6807\u51c6<\/th><th>FeCl\u2082 (S\u1eaft (II) Clorua)<\/th><th>FeCl\u2083 (S\u1eaft (III) Clorua)<\/th><\/tr><\/thead><tbody><tr><td><strong>\u72b6\u6001<\/strong><\/td><td>R\u1eafn m\u00e0u tr\u1eafng\/x\u00e1m (kh\u00f4) ho\u1eb7c xanh nh\u1ea1t (ng\u1eadm n\u01b0\u1edbc)<\/td><td>R\u1eafn m\u00e0u v\u00e0ng n\u00e2u<\/td><\/tr><tr><td><strong>\u5316\u5b66\u6027\u8d28<\/strong><\/td><td>C\u00f3 t\u00ednh kh\u1eed, d\u1ec5 b\u1ecb oxi h\u00f3a th\u00e0nh FeCl\u2083<\/td><td>C\u00f3 t\u00ednh oxi h\u00f3a m\u1ea1nh<\/td><\/tr><tr><td><strong>T\u00ednh tan trong n\u01b0\u1edbc<\/strong><\/td><td>Tan t\u1ed1t trong n\u01b0\u1edbc, t\u1ea1o dung d\u1ecbch c\u00f3 t\u00ednh axit y\u1ebfu<\/td><td>Tan m\u1ea1nh trong n\u01b0\u1edbc, dung d\u1ecbch c\u00f3 t\u00ednh axit m\u1ea1nh h\u01a1n<\/td><\/tr><tr><td><strong>\u5e94\u7528\u7a0b\u5e8f<\/strong><\/td><td>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t s\u1eaft tinh khi\u1ebft, \u0111i\u1ec7n ph\u00e2n<\/td><td>X\u1eed l\u00fd n\u01b0\u1edbc, \u0103n m\u00f2n kim lo\u1ea1i, \u0111i\u1ec1u ch\u1ebf thu\u1ed1c th\u1eed h\u00f3a h\u1ecdc<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_bao_quan_FeCl%E2%82%82\"><\/span><strong>C\u00e1ch b\u1ea3o qu\u1ea3n FeCl\u2082<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>B\u1ea3o qu\u1ea3n n\u01a1i kh\u00f4 r\u00e1o, tr\u00e1nh kh\u00f4ng kh\u00ed \u1ea9m<\/strong> \u0111\u1ec3 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxi h\u00f3a th\u00e0nh FeCl\u2083.<\/li>\n\n<li><strong>Kh\u00f4ng \u0111\u1ec3 g\u1ea7n c\u00e1c h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh oxi h\u00f3a m\u1ea1nh<\/strong> nh\u01b0 Cl\u2082, KMnO\u2084.<\/li>\n\n<li><strong>\u0110\u00f3ng k\u00edn bao b\u00ec sau khi s\u1eed d\u1ee5ng<\/strong> \u0111\u1ec3 tr\u00e1nh h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 bi\u1ebfn ch\u1ea5t.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nen_mua_Sat_II_clorua_chat_luong_gia_thanh_canh_tranh_o_dau\"><\/span><strong>N\u00ean mua S\u1eaft (II) clorua ch\u1ea5t l\u01b0\u1ee3ng, gi\u00e1 th\u00e0nh c\u1ea1nh tranh \u1edf \u0111\u00e2u:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p>Hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u \u0111\u01a1n v\u1ecb cung c\u1ea5p S\u1eaft (II) clorua.\u00a0Kh\u00e1ch h\u00e0ng ch\u1ec9 c\u1ea7n g\u00f5 t\u1eeb kho\u00e1 <strong><a href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-sat-ii-clorua\/\" target=\"_new\" rel=\"noopener\">FeCl2 mua \u1edf \u0111\u00e2u<\/a><\/strong> th\u00ec xu\u1ea5t hi\u1ec7n v\u00f4 v\u00e0n c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau. Tuy nhi\u00ean, kh\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb n\u00e0o c\u00f3 gi\u00e1 th\u00e0nh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u1ea1i \u0111\u1ea3m b\u1ea3o nh\u01b0 \u1edf <strong>\u6d1b\u5929\u5316\u5b78<\/strong>. Ch\u00fang t\u00f4i t\u1ef1 tin cam \u0111oan h\u00e0ng ch\u1ea5t l\u01b0\u1ee3ng, v\u1edbi gi\u00e1 th\u00e0nh c\u1ea1nh tranh nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng. Kh\u00f4ng nh\u1eefng v\u1eady, kh\u00e1ch h\u00e0ng c\u00f2n nh\u1eadn \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n nhi\u1ec7t t\u00ecnh t\u1eeb \u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean c\u1ee7a ch\u00fang t\u00f4i. <\/p><p>\u0110\u1ec3 mua <strong>FeCl2 ch\u1ea5t l\u01b0\u1ee3ng<\/strong>, gi\u00e1 r\u1ebb t\u1ea1i Ho\u00e1 Ch\u1ea5t L\u1ed9c Thi\u00ean. Qu\u00fd kh\u00e1ch vui l\u00f2ng li\u00ean h\u1ec7 hotline: <strong><a href=\"tel:0979891929\">0979 89 19 29<\/a>, <\/strong>\u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean c\u1ee7a ch\u00fang t\u00f4i lu\u00f4n s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 nhanh nh\u1ea5t \u0111\u1ebfn qu\u00fd kh\u00e1ch h\u00e0ng<strong>.\u00a0<\/strong> <\/p><div class=\"row row-collapse row-full-width\"  id=\"row-116503018\">\n\n\n\t<div id=\"col-956596850\" 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-1524332032\" 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-1738823598695\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl%E2%82%82_co_doc_hai_khong_Lam_the_nao_de_xu_ly_an_toan\"><\/span>FeCl\u2082 c\u00f3 \u0111\u1ed9c h\u1ea1i kh\u00f4ng? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u1eed l\u00fd an to\u00e0n?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>S\u1eaft (II) Clorua (FeCl\u2082) 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 da, m\u1eaft v\u00e0 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p n\u1ebfu ti\u1ebfp x\u00fac l\u00e2u d\u00e0i ho\u1eb7c nu\u1ed1t ph\u1ea3i. Khi l\u00e0m vi\u1ec7c v\u1edbi FeCl\u2082, c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n sau:<br \/>+ <strong>B\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n:<\/strong> S\u1eed d\u1ee5ng g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 kh\u1ea9u trang \u0111\u1ec3 tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<br \/>+ <strong>X\u1eed l\u00fd s\u1ef1 c\u1ed1 tr\u00e0n \u0111\u1ed5:<\/strong> H\u1ea5p th\u1ee5 b\u1eb1ng v\u1eadt li\u1ec7u tr\u01a1 nh\u01b0 c\u00e1t ho\u1eb7c \u0111\u1ea5t, tr\u00e1nh \u0111\u1ec3 h\u00f3a ch\u1ea5t ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ch\u1eb7n \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<br \/>+ <strong>Ti\u1ebfp x\u00fac v\u1edbi m\u1eaft ho\u1eb7c da:<\/strong> R\u1eeda ngay b\u1eb1ng nhi\u1ec1u n\u01b0\u1edbc s\u1ea1ch trong \u00edt nh\u1ea5t 15 ph\u00fat, sau \u0111\u00f3 \u0111i kh\u00e1m b\u00e1c s\u0129 n\u1ebfu c\u1ea7n thi\u1ebft.<br \/>+ <strong>\u4fdd\u5b58<\/strong> \u0110\u1ec3 n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng kh\u00ed, tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t oxi h\u00f3a m\u1ea1nh \u0111\u1ec3 ng\u0103n ng\u1eeba ph\u1ea3n \u1ee9ng kh\u00f4ng mong mu\u1ed1n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738823613867\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl%E2%82%82_co_the_duoc_tai_che_hay_khong\"><\/span>FeCl\u2082 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf hay kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>C\u00f3, FeCl\u2082 c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf trong m\u1ed9t s\u1ed1 ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0:<br \/>+ <strong>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i:<\/strong> Sau khi ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t, FeCl\u2082 c\u00f3 th\u1ec3 chuy\u1ec3n th\u00e0nh Fe(OH)\u2083, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t keo t\u1ee5.<br \/>+ <strong>Luy\u1ec7n kim:<\/strong> FeCl\u2082 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf b\u1eb1ng c\u00e1ch kh\u1eed Fe\u00b2\u207a th\u00e0nh s\u1eaft kim lo\u1ea1i ho\u1eb7c chuy\u1ec3n th\u00e0nh FeCl\u2083 \u0111\u1ec3 s\u1eed d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<br \/>+ <strong>S\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t:<\/strong> FeCl\u2082 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p c\u00e1c h\u1ee3p ch\u1ea5t s\u1eaft kh\u00e1c nh\u01b0 Fe\u2083O\u2084 ho\u1eb7c Fe\u2082(SO\u2084)\u2083 trong c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc.<br \/>Vi\u1ec7c t\u00e1i ch\u1ebf FeCl\u2082 kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n gi\u1ea3m t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng do h\u00f3a ch\u1ea5t d\u01b0 th\u1eeba.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738823632214\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Tai_sao_FeCl%E2%82%82_de_bi_oxi_hoa_va_co_cach_nao_de_ngan_chan_qua_trinh_nay_khong\"><\/span>T\u1ea1i sao FeCl\u2082 d\u1ec5 b\u1ecb oxi h\u00f3a v\u00e0 c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>FeCl\u2082 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh n\u00ean r\u1ea5t d\u1ec5 b\u1ecb oxi h\u00f3a trong kh\u00f4ng kh\u00ed, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 \u0111\u1ed9 \u1ea9m cao:<br \/>        4FeCl2\u200b+O2\u200b+4HCl\u21924FeCl3\u200b+2H2\u200bO<\/p>\n<p>C\u00e1ch ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxi h\u00f3a:<br \/>+ <strong>B\u1ea3o qu\u1ea3n trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4 r\u00e1o:<\/strong> Tr\u00e1nh \u0111\u1ec3 FeCl\u2082 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed \u1ea9m, n\u00ean b\u1ea3o qu\u1ea3n trong h\u1ed9p k\u00edn c\u00f3 h\u00fat \u1ea9m.<br \/>+ <strong>B\u1ed5 sung ch\u1ea5t kh\u1eed nh\u1eb9:<\/strong> M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o qu\u1ea3n c\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng ch\u1ea5t kh\u1eed nh\u1eb9 nh\u01b0 Na\u2082SO\u2083 \u0111\u1ec3 du4FeCl2\u200b+O2\u200b+4HCl\u21924FeCl3\u200b+2H2\u200bOy tr\u00ec Fe\u00b2\u207a kh\u00f4ng b\u1ecb oxi h\u00f3a th\u00e0nh Fe\u00b3\u207a.<br \/>+ <strong>S\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng tr\u01a1:<\/strong> N\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n, b\u1ea3o qu\u1ea3n trong m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1 nh\u01b0 argon ho\u1eb7c nit\u01a1 \u0111\u1ec3 h\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac v\u1edbi oxi.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738823676811\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl%E2%82%82_co_anh_huong_den_he_sinh_thai_khong\"><\/span>FeCl\u2082 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>FeCl\u2082 c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch:<br \/>+ <strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ngu\u1ed3n n\u01b0\u1edbc:<\/strong> FeCl\u2082 c\u00f3 th\u1ec3 g\u00e2y \u00f4 nhi\u1ec5m n\u01b0\u1edbc n\u1ebfu b\u1ecb r\u00f2 r\u1ec9 v\u00e0o h\u1ec7 th\u1ed1ng s\u00f4ng, h\u1ed3, l\u00e0m thay \u0111\u1ed5i pH n\u01b0\u1edbc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i th\u1ee7y sinh.<br \/>+ <strong>T\u00edch t\u1ee5 trong \u0111\u1ea5t:<\/strong> FeCl\u2082 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 ion s\u1eaft trong \u0111\u1ea5t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 h\u1ea5p th\u1ee5 dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y tr\u1ed3ng.<br \/>+ <strong>Kh\u1ea3 n\u0103ng k\u1ebft t\u1ee7a kim lo\u1ea1i n\u1eb7ng:<\/strong> M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y FeCl\u2082 c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi kim lo\u1ea1i n\u1eb7ng trong n\u01b0\u1edbc th\u1ea3i, gi\u00fap k\u1ebft t\u1ee7a v\u00e0 lo\u1ea1i b\u1ecf ch\u00fang kh\u1ecfi h\u1ec7 sinh th\u00e1i, nh\u01b0ng n\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t t\u1ed1t c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0\u1ee3ng b\u00f9n th\u1ea3i \u0111\u1ed9c h\u1ea1i.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng m\u00f4i tr\u01b0\u1eddng:<\/strong><br \/>+ <strong>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i \u0111\u00fang quy tr\u00ecnh:<\/strong> Kh\u00f4ng x\u1ea3 th\u1eb3ng FeCl\u2082 ra m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u1ea7n x\u1eed l\u00fd qua c\u00e1c b\u1ec3 l\u1eafng v\u00e0 trung h\u00f2a.<br \/>+ <strong>Ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng s\u1eed d\u1ee5ng:<\/strong> D\u00f9ng l\u01b0\u1ee3ng FeCl\u2082 h\u1ee3p l\u00fd trong c\u00e1c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 tr\u00e1nh d\u01b0 th\u1eeba g\u00e2y \u00f4 nhi\u1ec5m.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738823790942\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"FeCl%E2%82%82_co_the_thay_the_FeCl%E2%82%83_trong_cac_ung_dung_cong_nghiep_khong\"><\/span>FeCl\u2082 c\u00f3 th\u1ec3 thay th\u1ebf FeCl\u2083 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>FeCl\u2082 v\u00e0 FeCl\u2083 c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed3ng nh\u01b0ng kh\u00f4ng ho\u00e0n to\u00e0n thay th\u1ebf nhau do:<br \/>+ <strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc kh\u00e1c nhau:<\/strong> FeCl\u2082 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh trong khi FeCl\u2083 c\u00f3 t\u00ednh oxi h\u00f3a m\u1ea1nh h\u01a1n, n\u00ean ch\u00fang c\u00f3 \u1ee9ng d\u1ee5ng kh\u00e1c bi\u1ec7t.<br \/>+ <strong>\u1ee8ng d\u1ee5ng trong x\u1eed l\u00fd n\u01b0\u1edbc:<\/strong> FeCl\u2083 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ch\u1ea5t keo t\u1ee5 m\u1ea1nh h\u01a1n \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng, trong khi FeCl\u2082 \u0111\u01b0\u1ee3c d\u00f9ng ch\u1ee7 y\u1ebfu trong <strong>qu\u00e1 tr\u00ecnh ti\u1ec1n x\u1eed l\u00fd<\/strong> v\u00e0 ki\u1ec3m so\u00e1t kim lo\u1ea1i n\u1eb7ng.<br \/>+ <strong>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/strong> FeCl\u2082 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u h\u01a1n trong <strong>s\u1ea3n xu\u1ea5t kim lo\u1ea1i<\/strong> \u548c <strong>m\u1ea1 s\u1eaft<\/strong>, trong khi FeCl\u2083 ph\u1ed5 bi\u1ebfn trong <strong>kh\u1eafc m\u1ea1ch in<\/strong> \u548c <strong>s\u1ea3n xu\u1ea5t ch\u1ea5t keo t\u1ee5<\/strong>.<\/p>\n<p>Do \u0111\u00f3, t\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng m\u00e0 FeCl\u2082 c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n FeCl\u2083, nh\u01b0ng kh\u00f4ng ph\u1ea3i trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>S\u1eaft (II) Clorua (FeCl2) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Ngo\u00e0i ra, FeCl2 c\u00f2n c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong ng\u00e0nh luy\u1ec7n kim, t\u1ed5ng h\u1ee3p h\u00f3a ch\u1ea5t v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. \u0110\u1ec3 hi\u1ec3u r\u00f5 [&#8230;]\n","protected":false},"author":1,"featured_media":1807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[504,425,519,518,517],"class_list":["post-1793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-fecl2-la-gi","tag-sat-ii-clorua","tag-tinh-chat-fecl2","tag-tinh-chat-hoa-hoc-fecl2","tag-tinh-chat-vat-ly-fecl2"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/1793","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/comments?post=1793"}],"version-history":[{"count":6,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/1793\/revisions"}],"predecessor-version":[{"id":9158,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/1793\/revisions\/9158"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media\/1807"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media?parent=1793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/categories?post=1793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/tags?post=1793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}