{"id":3342,"date":"2024-04-11T15:14:08","date_gmt":"2024-04-11T08:14:08","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=3342"},"modified":"2025-07-17T15:32:13","modified_gmt":"2025-07-17T08:32:13","slug":"cach-pha-xut-naoh-trong-xu-ly-nuoc-thai","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai","title":{"rendered":"C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i"},"content":{"rendered":"<p>Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, <strong>x\u00fat NaOH<\/strong> (natri hydroxit) l\u00e0 m\u1ed9t <strong>h\u00f3a ch\u1ea5t ki\u1ec1m m\u1ea1nh<\/strong>, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c <strong>\u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH, lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng<\/strong>, \uadf8\ub9ac\uace0 <strong>h\u1ed7 tr\u1ee3 k\u1ebft t\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m<\/strong>. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, gi\u1ea3m t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 <strong>c\u00e1ch pha NaOH<\/strong> \u0111\u00fang chu\u1ea9n \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u.\n<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Nhan_Biet_Hoa_Chat_NaOH\" title=\"Nh\u1eadn Bi\u1ebft H\u00f3a Ch\u1ea5t NaOH\">Nh\u1eadn Bi\u1ebft H\u00f3a Ch\u1ea5t NaOH<\/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\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Cach_Pha_Xut_NaOH_Trong_Xu_Ly_Nuoc_Thai\" title=\"C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i\">C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i<\/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\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Ung_Dung_Xut_NaOH_Trong_Xu_Ly_Nuoc_Thai\" title=\"\u1ee8ng D\u1ee5ng X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i\">\u1ee8ng D\u1ee5ng X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i<\/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\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Noi_Ban_Xut_NaOH_10_%E2%80%93_50_Gia_Re\" title=\"N\u01a1i B\u00e1n X\u00fat NaOH 10% &#8211; 50% Gi\u00e1 R\u1ebb?\">N\u01a1i B\u00e1n X\u00fat NaOH 10% &#8211; 50% Gi\u00e1 R\u1ebb?<\/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\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Tai_sao_khi_pha_NaOH_vao_nuoc_thai_thay_xuat_hien_ket_tua_trang_duc\" title=\"T\u1ea1i sao khi pha NaOH v\u00e0o n\u01b0\u1edbc th\u1ea3i th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng \u0111\u1ee5c?\">T\u1ea1i sao khi pha NaOH v\u00e0o n\u01b0\u1edbc th\u1ea3i th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng \u0111\u1ee5c?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Pha_NaOH_bao_lau_thi_dung_dich_on_dinh_va_co_the_su_dung_ngay\" title=\"Pha NaOH bao l\u00e2u th\u00ec dung d\u1ecbch \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay?\">Pha NaOH bao l\u00e2u th\u00ec dung d\u1ecbch \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#NaOH_co_the_phan_ung_voi_loai_hoa_chat_nao_trong_nuoc_thai_gay_nguy_hiem\" title=\"NaOH c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0o trong n\u01b0\u1edbc th\u1ea3i g\u00e2y nguy hi\u1ec3m?\">NaOH c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0o trong n\u01b0\u1edbc th\u1ea3i g\u00e2y nguy hi\u1ec3m?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Neu_lo_bi_NaOH_ban_vao_da_hoac_mat_thi_phai_xu_ly_nhu_the_nao\" title=\"N\u1ebfu l\u1ee1 b\u1ecb NaOH b\u1eafn v\u00e0o da ho\u1eb7c m\u1eaft th\u00ec ph\u1ea3i x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o?\">N\u1ebfu l\u1ee1 b\u1ecb NaOH b\u1eafn v\u00e0o da ho\u1eb7c m\u1eaft th\u00ec ph\u1ea3i x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/ko\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/#Co_the_dung_NaOH_de_khu_mui_hoi_trong_nuoc_thai_khong\" title=\"C\u00f3 th\u1ec3 d\u00f9ng NaOH \u0111\u1ec3 kh\u1eed m\u00f9i h\u00f4i trong n\u01b0\u1edbc th\u1ea3i kh\u00f4ng?\">C\u00f3 th\u1ec3 d\u00f9ng NaOH \u0111\u1ec3 kh\u1eed m\u00f9i h\u00f4i trong n\u01b0\u1edbc th\u1ea3i kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhan_Biet_Hoa_Chat_NaOH\"><\/span>Nh\u1eadn Bi\u1ebft H\u00f3a Ch\u1ea5t NaOH<span class=\"ez-toc-section-end\"><\/span><\/h2><p>NaOH hay c\u00f2n g\u1ecdi l\u00e0 x\u00fat l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh ki\u1ec1m m\u1ea1nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. bao g\u1ed3m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t gi\u1ea5y, x\u00e0 ph\u00f2ng v\u00e0 nhi\u1ec1u ng\u00e0nh kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>NaOH trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong> \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH, lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng, v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng. NaOH (<strong>x\u00fat, x\u00fat v\u1ea3y, x\u00fat l\u1ecfng<\/strong>) l\u00e0 m\u1ed9t <strong>h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p quan tr\u1ecdng<\/strong> ~\uc640 \ud568\uaed8 <strong>t\u00ednh ki\u1ec1m m\u1ea1nh<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong <strong>x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t gi\u1ea5y, x\u00e0 ph\u00f2ng, d\u1ec7t nhu\u1ed9m, v\u00e0 nhi\u1ec1u ng\u00e0nh kh\u00e1c<\/strong>. <\/p><p>~\uc5d0\uc11c <strong>x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong>, <strong>NaOH gi\u00fap trung h\u00f2a axit<\/strong>, <strong>\u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH<\/strong>, \uadf8\ub9ac\uace0 <strong>k\u1ebft t\u1ee7a kim lo\u1ea1i n\u1eb7ng<\/strong> \u0111\u1ec3 d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf kh\u1ecfi n\u01b0\u1edbc. \u0110\u1ec3 nh\u1eadn bi\u1ebft NaOH trong ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3:<\/p><ul class=\"wp-block-list\"><li><strong>D\u00f9ng gi\u1ea5y qu\u1ef3 t\u00edm:<\/strong> Gi\u1ea5y qu\u1ef3 t\u00edm chuy\u1ec3n sang m\u00e0u xanh \u0111\u1eadm khi ti\u1ebfp x\u00fac v\u1edbi dung d\u1ecbch NaOH, ch\u1ee9ng t\u1ecf t\u00ednh baz\u01a1 m\u1ea1nh c\u1ee7a NaOH.<\/li>\n\n<li><strong>D\u00f9ng phenolphthalein:<\/strong> Ch\u1ec9 th\u1ecb pH phenolphthalein chuy\u1ec3n sang m\u00e0u h\u1ed3ng \u0111\u1eadm trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m khi c\u00f3 m\u1eb7t NaOH.<\/li>\n\n<li><strong>Ki\u1ec3m tra b\u1eb1ng c\u1ea3m quan:<\/strong> NaOH t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng h\u1ea1t r\u1eafn m\u00e0u tr\u1eafng (x\u00fat v\u1ea3y, x\u00fat h\u1ea1t) ho\u1eb7c dung d\u1ecbch trong su\u1ed1t (NaOH l\u1ecfng). Khi tan trong n\u01b0\u1edbc, ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t m\u1ea1nh, c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng b\u00ecnh ch\u1ee9a.<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><ul class=\"wp-block-list\"><li><strong>C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m:<\/strong><ul class=\"wp-block-list\"><li><a href=\"https:\/\/hoachatlocthien.com\/ko\/dieu-che-naoh-trong-cong-nghiep\/\">S\u1ea3n xu\u1ea5t NaOH trong c\u00f4ng nghi\u1ec7p<\/a><\/li>\n\n<li><a href=\"https:\/\/hoachatlocthien.com\/ko\/top-10-ung-dung-naoh-trong-san-xuat-cong-nghiep\/\">\u1ee8ng d\u1ee5ng c\u1ee7a NaOH<\/a><\/li>\n\n<li><a href=\"https:\/\/hoachatlocthien.com\/ko\/xut-vay-naoh-99-trung-quoc\/\">Gi\u00e1 x\u00fat v\u1ea3y<\/a><\/li><\/ul><\/li><\/ul><\/blockquote><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/foyqt904823.jpg\" alt=\"C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_Pha_Xut_NaOH_Trong_Xu_Ly_Nuoc_Thai\"><\/span>C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>C\u00e1ch pha NaOH \u0111\u00fang k\u1ef9 thu\u1eadt<\/strong> gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 <strong>gi\u1ea3m nguy c\u01a1 tai n\u1ea1n h\u00f3a ch\u1ea5t<\/strong>. C\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc sau:\n<\/p><ul class=\"wp-block-list\"><li><strong>B\u01b0\u1edbc 1: Chu\u1ea9n B\u1ecb An To\u00e0n<\/strong><ul class=\"wp-block-list\"><li>L\u00e0m vi\u1ec7c trong kh\u00f4ng gian th\u00f4ng tho\u00e1ng ho\u1eb7c c\u00f3 h\u1ec7 th\u1ed1ng h\u00fat kh\u00ed \u0111\u1ec3 h\u1ea1n ch\u1ebf h\u00edt ph\u1ea3i h\u01a1i c\u1ee7a h\u00f3a ch\u1ea5t.<\/li>\n\n<li>\u0110eo k\u00ednh b\u1ea3o h\u1ed9, g\u0103ng tay cao su, kh\u1ea9u trang l\u1ecdc kh\u00ed, tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi NaOH r\u1eafn ho\u1eb7c h\u01a1i NaOH l\u1ecfng.<\/li>\n\n<li>L\u00e0m vi\u1ec7c trong khu v\u1ef1c th\u00f4ng tho\u00e1ng, c\u00f3 h\u1ec7 th\u1ed1ng h\u00fat kh\u00ed ho\u1eb7c qu\u1ea1t gi\u00f3.<\/li>\n\n<li>Kh\u00f4ng d\u00f9ng tay tr\u1ea7n \u0111\u1ec3 ti\u1ebfp x\u00fac v\u1edbi NaOH, v\u00ec c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng da nghi\u00eam tr\u1ecdng.<\/li><\/ul><\/li>\n\n<li><strong>B\u01b0\u1edbc 2: T\u00ednh To\u00e1n L\u01b0\u1ee3ng NaOH C\u1ea7n Thi\u1ebft<\/strong><ul class=\"wp-block-list\"><li>X\u00e1c \u0111\u1ecbnh th\u1ec3 t\u00edch n\u01b0\u1edbc th\u1ea3i c\u1ea7n x\u1eed l\u00fd v\u00e0 \u0111\u1ed9 pH mong mu\u1ed1n.<\/li>\n\n<li>T\u00ednh to\u00e1n l\u01b0\u1ee3ng NaOH c\u1ea7n th\u00eam v\u00e0o n\u01b0\u1edbc th\u1ea3i d\u1ef1a tr\u00ean \u0111\u1ed9 pH hi\u1ec7n t\u1ea1i c\u1ee7a n\u01b0\u1edbc th\u1ea3i v\u00e0 m\u1ee5c ti\u00eau \u0111\u1ea1t \u0111\u01b0\u1ee3c.<ul class=\"wp-block-list\"><li><strong>C\u00f4ng th\u1ee9c chung \u0111\u1ec3 t\u00ednh l\u01b0\u1ee3ng NaOH c\u1ea7n pha<\/strong><ul class=\"wp-block-list\"><li>Kh\u1ed1i l\u01b0\u1ee3ng NaOH (g) = (C\u00d7V\u00d7M\/100<\/li>\n\n<li>Trong \u0111\u00f3:<ul class=\"wp-block-list\"><li>C: N\u1ed3ng \u0111\u1ed9 dung d\u1ecbch NaOH mong mu\u1ed1n (%)<\/li>\n\n<li>V: Th\u1ec3 t\u00edch dung d\u1ecbch c\u1ea7n pha (ml)<\/li>\n\n<li>M: Kh\u1ed1i l\u01b0\u1ee3ng mol c\u1ee7a NaOH = 40 g\/mol<\/li>\n\n<li>100: H\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb ph\u1ea7n tr\u0103m (%) sang \u0111\u01a1n v\u1ecb ph\u00f9 h\u1ee3p<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>C\u00f4ng th\u1ee9c t\u00ednh th\u1ec3 t\u00edch dung d\u1ecbch c\u1ea7n pha t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng NaOH<\/strong><ul class=\"wp-block-list\"><li>N\u1ebfu c\u00f3 s\u1eb5n kh\u1ed1i l\u01b0\u1ee3ng NaOH v\u00e0 mu\u1ed1n t\u00ednh th\u1ec3 t\u00edch dung d\u1ecbch c\u1ea7n pha:<ul class=\"wp-block-list\"><li>Th\u1ec3 t\u00edch dung d\u1ecbch (ml)=(Kh\u1ed1i l\u01b0\u1ee3ng NaOH (g)\u00d7100)\/(C\u00d7M)\u200b\u200b\u200b<\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li>\n\n<li>V\u00ed d\u1ee5: \u0110\u1ec3 pha <strong>500L dung d\u1ecbch NaOH 10%<\/strong>, c\u1ea7n: (10\u00d7500\u00d710)\/40 = 50kgNaOH<\/li><\/ul><\/li>\n\n<li><strong>B\u01b0\u1edbc 3: Pha Dung D\u1ecbch NaOH<\/strong><ul class=\"wp-block-list\"><li>S\u1eed d\u1ee5ng dung d\u1ecbch NaOH v\u1edbi n\u1ed3ng \u0111\u1ed9 ph\u00f9 h\u1ee3p th\u01b0\u1eddng l\u00e0 t\u1eeb 10% \u0111\u1ebfn 50%, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 ki\u1ec1m c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea3i.<ul class=\"wp-block-list\"><li><strong>Nguy\u00ean t\u1eafc quan tr\u1ecdng:<\/strong> Lu\u00f4n \u0111\u1ed5 NaOH v\u00e0o n\u01b0\u1edbc, KH\u00d4NG l\u00e0m ng\u01b0\u1ee3c l\u1ea1i!<\/li>\n\n<li><strong>Pha lo\u00e3ng t\u1eebng b\u01b0\u1edbc:<\/strong> D\u00f9ng n\u01b0\u1edbc c\u1ea5t ho\u1eb7c n\u01b0\u1edbc kh\u1eed ion, cho NaOH v\u00e0o t\u1eeb t\u1eeb \u0111\u1ec3 tr\u00e1nh ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t m\u1ea1nh.<\/li>\n\n<li>Khu\u1ea5y \u0111\u1ec1u li\u00ean t\u1ee5c b\u1eb1ng \u0111\u0169a th\u1ee7y tinh ho\u1eb7c m\u00e1y khu\u1ea5y \u0111\u1ec3 NaOH tan h\u1ebft.<\/li><\/ul><\/li><\/ul><\/li>\n\n<li><strong>B\u01b0\u1edbc 4: Th\u00eam NaOH V\u00e0o N\u01b0\u1edbc Th\u1ea3i<\/strong><ul class=\"wp-block-list\"><li>Th\u00eam dung d\u1ecbch NaOH \u0111\u00e3 pha v\u00e0o n\u01b0\u1edbc th\u1ea3i m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb v\u00e0 nh\u1eb9 nh\u00e0ng. \u0110\u1ed3ng th\u1eddi khu\u1ea5y \u0111\u1ec1u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a NaOH trong n\u01b0\u1edbc th\u1ea3i.<\/li>\n\n<li>Theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea3i sau khi th\u00eam NaOH v\u00e0 ti\u1ebfp t\u1ee5c \u0111i\u1ec1u ch\u1ec9nh cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 pH mong mu\u1ed1n.<\/li><\/ul><\/li>\n\n<li><strong>B\u01b0\u1edbc 5: Ki\u1ec3m Tra V\u00e0 \u0110i\u1ec1u Ch\u1ec9nh<\/strong><ul class=\"wp-block-list\"><li>Sau khi \u0111\u00e3 th\u00eam NaOH v\u00e0 khu\u1ea5y \u0111\u1ec1u, h\u00e3y ki\u1ec3m tra l\u1ea1i \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea3i. N\u1ebfu c\u1ea7n, \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng NaOH ho\u1eb7c n\u01b0\u1edbc th\u00eam v\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/li><\/ul><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/FeCl2-tai-Hoa-Chat-Loc-Thien.jpg\" alt=\"C\u00e1ch Pha X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 681px; --smush-placeholder-aspect-ratio: 681\/511;\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_Dung_Xut_NaOH_Trong_Xu_Ly_Nuoc_Thai\"><\/span>\u1ee8ng D\u1ee5ng X\u00fat NaOH Trong X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>\u0110i\u1ec1u ch\u1ec9nh pH:<\/strong> Trung h\u00f2a acid trong n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng ch\u1ee9a l\u01b0\u1ee3ng l\u1edbn acid, NaOH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 trung h\u00f2a c\u00e1c acid n\u00e0y, gi\u00fap \u0111i\u1ec1u ch\u1ec9nh pH v\u1ec1 m\u1ee9c trung t\u00ednh ho\u1eb7c h\u01a1i ki\u1ec1m t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ti\u1ebfp theo.<\/li>\n\n<li><strong>Lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng:<\/strong> K\u1ebft t\u1ee7a kim lo\u1ea1i n\u1eb7ng NaOH c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi kim lo\u1ea1i n\u1eb7ng trong n\u01b0\u1edbc th\u1ea3i, t\u1ea1o th\u00e0nh c\u00e1c hydroxide kh\u00f4ng tan ho\u1eb7c \u00edt tan. C\u00e1c hydroxide n\u00e0y sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf th\u00f4ng qua k\u1ebft t\u1ee7a, l\u1eafng \u0111\u1ecdng ho\u1eb7c l\u1ecdc.<\/li>\n\n<li><strong>H\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh k\u1ebft t\u1ee7a v\u00e0 l\u1eafng:<\/strong> T\u1ea1o m\u00f4i tr\u01b0\u1eddng ki\u1ec1m m\u1ed9t s\u1ed1 qu\u00e1 tr\u00ecnh k\u1ebft t\u1ee7a ho\u1eb7c l\u1eafng \u0111\u1ecdng ch\u1ec9 x\u1ea3y ra hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng ki\u1ec1m. NaOH gi\u00fap t\u1ea1o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng n\u00e0y t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t r\u1eafn v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c t\u1eeb n\u01b0\u1edbc.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Noi_Ban_Xut_NaOH_10_%E2%80%93_50_Gia_Re\"><\/span>N\u01a1i B\u00e1n X\u00fat NaOH 10% &#8211; 50% Gi\u00e1 R\u1ebb?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nN\u1ebfu qu\u00fd kh\u00e1ch \u0111ang ph\u00e2n v\u00e2n <a href=\"https:\/\/hoachatlocthien.com\/ko\/dia-chi-mua-naoh-o-dau-tp-hcm\/\">mua NaOH \u1edf \u0111\u00e2u TPHCM<\/a>, <a href=\"https:\/\/hoachatlocthien.com\/ko\/ban-naoh-tai-binh-duong-ham-luong-20-32-45-48-50\/\">b\u00e1n NaOH t\u1ea1i B\u00ecnh D\u01b0\u01a1ng<\/a>, \u0110\u1ed3ng Nai th\u00ec vui l\u00f2ng li\u00ean h\u1ec7 ngay C\u00f4ng Ty H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean. S\u1ea3n ph\u1ea9m h\u00f3a ch\u1ea5t ch\u00ednh h\u00e3ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng nh\u00e0 m\u00e1y. C\u00f9ng v\u1edbi s\u1ef1 thu\u1eadn l\u1ee3i v\u1ec1 kho b\u00e3i r\u1ed9ng, t\u1eadp trung \u1edf c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f3 v\u00f9ng c\u00f4ng nghi\u1ec7p ph\u00e1t tri\u1ec3n nh\u01b0 Tp.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai, V\u0169ng T\u00e0u\u2026.c\u00f9ng v\u1edbi \u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean, k\u1ef9 thu\u1eadt tr\u1ebb trung, nhi\u1ec7t huy\u1ebft s\u1ebd lu\u00f4n mang \u0111\u1ebfn cho qu\u00fd kh\u00e1ch h\u00e0ng nh\u1eefng s\u1ea3n ph\u1ea9m t\u1ed1t nh\u1ea5t, t\u01b0 v\u1ea5n h\u00e0i l\u00f2ng nh\u1ea5t.\n<\/p><ul class=\"wp-block-list\"><li>Gi\u00e1 c\u1ea3 h\u1ee3p l\u00fd. Ngu\u1ed3n h\u00e0ng d\u1ed3i d\u00e0o &#8211; ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n\n<li>Ph\u00e2n ph\u1ed1i to\u00e0n qu\u1ed1c &#8211; giao h\u00e0ng nhanh ch\u00f3ng t\u1eadn n\u01a1i.<\/li><\/ul><p class=\"has-text-align-left\">Khi l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m c\u1ee7a L\u1ed9c Thi\u00ean, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o s\u1ebd mang \u0111\u1ebfn nh\u1eefng l\u1ee3i \u00edch trong kinh doanh v\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a qu\u00fd Kh\u00e1ch lu\u00f4n \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao, ti\u1ebft ki\u1ec7m chi ph\u00ed, ti\u1ec1n b\u1ea1c v\u00e0 th\u1eddi gian t\u00ecm ki\u1ebfm h\u00f3a ch\u1ea5t.. H\u00e3y g\u1ecdi cho ch\u00fang t\u00f4i b\u1ea5t c\u1ee9 khi n\u00e0o qu\u00fd kh\u00e1ch c\u1ea7n \u0111\u1ebfn s\u1ea3n ph\u1ea9m ho\u1eb7c mu\u1ed1n t\u01b0 v\u1ea5n. \u0110\u01b0\u1eddng d\u00e2y n\u00f3ng <strong>0979 89 1929<\/strong> lu\u00f4n s\u1eb5n s\u00e0ng l\u1eafng nghe \u00fd ki\u1ebfn c\u1ee7a qu\u00fd kh\u00e1ch.<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/XE.png\" alt=\"hoachatlocthien\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><div class=\"row row-collapse row-full-width\"  id=\"row-1419412068\">\n\n\n\t<div id=\"col-64696727\" 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>\ub85d\ud2f0\uc5d4 \ud22c\uc790 \uac1c\ubc1c \uc720\ud55c\ud68c\uc0ac<\/strong><\/p>\n<ul>\n<li><strong>\uc8fc\uc18c:\u00a0<\/strong>\ud638\uce58\ubbfc\uc2dc \ube48\ud0c4\uad6c \ube48\uce58\ub3d9\ub3d9 10\ubc88 \uc9c0\ubc29\ub3c4 452\/6B<\/li>\n<li><strong>\uc804\ud654\ubc88\ud638:<\/strong> 028 6269 5669 - \u00a0028 6269 5662<\/li>\n<li><strong>\uc6f9\uc0ac\uc774\ud2b8:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/ko\/\" target=\"_blank\" rel=\"noopener\">hoachatlocthien.com<\/a><\/li>\n<li><strong>\ud329\uc2a4 :\u00a0<\/strong>028 6269 5662 -\u00a0<strong>\ud56b\ub77c\uc778<\/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-2033054285\" 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>\uc9c0\uc810 \ubc0f \ucc3d\uace0<\/strong><\/p>\n<ul>\n<li><strong>\ucc3d\uace0 1<\/strong>: \ud478\uc625\ud765 \ub9c8\uc744, \ubbf8\uc464\uc5b8 \uba74, \ud0c4\ud0c4 \uad70, \ubc14\ub9ac\uc544-\ubd95\ud0c0\uc6b0 \uc131<\/li>\n<li><strong>\ucc3d\uace0 2<\/strong>: \ud478\uc625\ud0c0\uc774, \ud478\uc625\ube48 \uba74, \ub871\ud0c4 \uad70, \ub3d9\ub098\uc774 \uc131<\/li>\n<li><strong>\ucc3d\uace0 3<\/strong>: \ube48\uc988\uc5c9\uc131 \ub514\uc548\uc2dc \ud0c4\ub3d9\ud788\uc5e1 B \uc0b0\uc5c5\ub2e8\uc9c0. .<\/li>\n<li><strong>\ucc3d\uace0 4<\/strong>: \ud638\uc544\uce78 \uc0b0\uc5c5\ub2e8\uc9c0, \ub2e4\ub0ad<\/li>\n<li><strong>\ucc3d\uace0 5:<\/strong> \uce78\ud1a0\uc2dc \uc624\ubaac\uad6c \ud478\uc625\ud1a0\uc774\ub3d9 \uc624\ubaa8 \uc0b0\uc5c5\ub2e8\uc9c0<\/li>\n<li><strong>\ucc3d\uace0 6:<\/strong> \ubd81\ub2cc\uc131 \ud2f0\uc5d4\ub450\ud604 \ud2b8\ub9ac\ud479\uba74 \ub2e4\uc774\ub3d9-\ud638\uc548\uc0b0 \uc0b0\uc5c5\ub2e8\uc9c0<\/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=\"\ub85d\ud2f0\uc5d4 \ud654\ud559(H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean)\uc758 \uad6c\uae00 \uc9c0\ub3c4\" 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-1740121996498\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Tai_sao_khi_pha_NaOH_vao_nuoc_thai_thay_xuat_hien_ket_tua_trang_duc\"><\/span>T\u1ea1i sao khi pha NaOH v\u00e0o n\u01b0\u1edbc th\u1ea3i th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng \u0111\u1ee5c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Khi pha <strong>x\u00fat NaOH v\u00e0o n\u01b0\u1edbc th\u1ea3i<\/strong>, \u0111\u00f4i khi b\u1ea1n s\u1ebd th\u1ea5y xu\u1ea5t hi\u1ec7n <strong>k\u1ebft t\u1ee7a tr\u1eafng \u0111\u1ee5c<\/strong>. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do:<br \/>+ <strong>NaOH ph\u1ea3n \u1ee9ng v\u1edbi ion kim lo\u1ea1i n\u1eb7ng<\/strong> \ucc98\ub7fc <strong>Fe\u00b3\u207a, Al\u00b3\u207a, Mg\u00b2\u207a<\/strong>, t\u1ea1o ra c\u00e1c <strong>hydroxide kh\u00f4ng tan<\/strong> nh\u01b0 Fe(OH)\u2083, Al(OH)\u2083.<br \/>+ <strong>N\u01b0\u1edbc th\u1ea3i c\u00f3 \u0111\u1ed9 c\u1ee9ng cao<\/strong>, ch\u1ee9a nhi\u1ec1u <strong>Ca\u00b2\u207a, Mg\u00b2\u207a<\/strong>, khi g\u1eb7p NaOH s\u1ebd t\u1ea1o k\u1ebft t\u1ee7a <strong>Ca(OH)\u2082<\/strong> \ub610\ub294 <strong>Mg(OH)\u2082<\/strong>.<br \/>+ <strong>Do l\u01b0\u1ee3ng NaOH qu\u00e1 l\u1edbn<\/strong>, l\u00e0m t\u0103ng \u0111\u1ed9 pH \u0111\u1ed9t ng\u1ed9t, khi\u1ebfn c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc b\u1ecb t\u00e1ch ra d\u01b0\u1edbi d\u1ea1ng keo t\u1ee5.<br \/>\ud83d\udccc <strong>C\u00e1ch x\u1eed l\u00fd:<\/strong><br \/>\u2714 <strong>Khu\u1ea5y \u0111\u1ec1u n\u01b0\u1edbc th\u1ea3i sau khi th\u00eam NaOH<\/strong>, gi\u00fap ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\u2714 <strong>Ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng NaOH th\u00eam v\u00e0o<\/strong>, tr\u00e1nh d\u01b0 th\u1eeba qu\u00e1 m\u1ee9c.<br \/>\u2714 <strong>N\u1ebfu c\u1ea7n, l\u1ecdc ho\u1eb7c \u0111\u1ec3 l\u1eafng k\u1ebft t\u1ee7a<\/strong>, gi\u00fap n\u01b0\u1edbc trong h\u01a1n tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c x\u1eed l\u00fd.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1740122011688\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Pha_NaOH_bao_lau_thi_dung_dich_on_dinh_va_co_the_su_dung_ngay\"><\/span>Pha NaOH bao l\u00e2u th\u00ec dung d\u1ecbch \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>&#8211; Khi pha <strong>NaOH v\u00e0o n\u01b0\u1edbc<\/strong>, ph\u1ea3n \u1ee9ng t\u1ea1o nhi\u1ec7t x\u1ea3y ra, l\u00e0m dung d\u1ecbch <strong>n\u00f3ng l\u00ean<\/strong>. <strong>T\u00f9y v\u00e0o n\u1ed3ng \u0111\u1ed9 NaOH, th\u1eddi gian \u1ed5n \u0111\u1ecbnh s\u1ebd kh\u00e1c nhau:<\/strong><br \/>   + <strong>NaOH 5-10%:<\/strong> Dung d\u1ecbch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng sau <strong>5-10 ph\u00fat<\/strong> khu\u1ea5y \u0111\u1ec1u.<br \/>   + <strong>NaOH 20-30%:<\/strong> C\u1ea7n \u0111\u1ec3 dung d\u1ecbch <strong>ngu\u1ed9i d\u1ea7n trong 15-30 ph\u00fat<\/strong> tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<br \/>   + <strong>NaOH 50%:<\/strong> Dung d\u1ecbch c\u00f3 th\u1ec3 \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 <strong>60-80\u00b0C<\/strong>, c\u1ea7n \u0111\u1ec3 ngu\u1ed9i \u00edt nh\u1ea5t <strong>1 gi\u1edd<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<br \/>\ud83d\udccc <strong>\ucc38\uace0:<\/strong><br \/>+ Lu\u00f4n ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u01b0 h\u1ecfng b\u1ec3 ch\u1ee9a ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng.<br \/>+ D\u00f9ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t (nh\u1ef1a PP, HDPE, PVC, inox 316L) \u0111\u1ec3 ch\u1ee9a dung d\u1ecbch NaOH.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1740122046001\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_the_phan_ung_voi_loai_hoa_chat_nao_trong_nuoc_thai_gay_nguy_hiem\"><\/span>NaOH c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0o trong n\u01b0\u1edbc th\u1ea3i g\u00e2y nguy hi\u1ec3m?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>NaOH l\u00e0 m\u1ed9t <strong>\uac15\uc5fc\uae30<\/strong>, khi pha v\u00e0o n\u01b0\u1edbc th\u1ea3i c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi m\u1ed9t s\u1ed1 <strong>h\u00f3a ch\u1ea5t nguy hi\u1ec3m<\/strong>, t\u1ea1o ra ph\u1ea3n \u1ee9ng <strong>t\u1ecfa nhi\u1ec7t, sinh kh\u00ed \u0111\u1ed9c ho\u1eb7c \u0103n m\u00f2n m\u1ea1nh<\/strong>. M\u1ed9t s\u1ed1 ph\u1ea3n \u1ee9ng nguy hi\u1ec3m g\u1ed3m:<br \/> + <strong>NaOH + Acid m\u1ea1nh (H\u2082SO\u2084, HCl, HNO\u2083):<\/strong> Sinh nhi\u1ec7t m\u1ea1nh, c\u00f3 th\u1ec3 g\u00e2y s\u00f4i tr\u00e0o, nguy c\u01a1 ch\u00e1y n\u1ed5.<br \/> + <strong>NaOH + Nh\u00f4m (Al):<\/strong> Sinh kh\u00ed <strong>hydro (H\u2082)<\/strong>, c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y n\u1ed5 khi ti\u1ebfp x\u00fac v\u1edbi tia l\u1eeda.<br \/> + <strong>NaOH + Clorua (NaClO, Cl\u2082):<\/strong> T\u1ea1o ra <strong>kh\u00ed Clo (Cl\u2082)<\/strong> c\u1ef1c \u0111\u1ed9c.<br \/> + <strong>NaOH + Dung m\u00f4i h\u1eefu c\u01a1 (acetone, methanol, glycerol):<\/strong> C\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng ch\u00e1y.<br \/>\ud83d\udccc <strong>C\u00e1ch ph\u00f2ng tr\u00e1nh:<\/strong><br \/> + Kh\u00f4ng tr\u1ed9n l\u1eabn NaOH v\u1edbi h\u00f3a ch\u1ea5t kh\u00e1c m\u00e0 kh\u00f4ng c\u00f3 h\u01b0\u1edbng d\u1eabn an to\u00e0n.<br \/> + Khi x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ch\u1ee9a nhi\u1ec1u h\u00f3a ch\u1ea5t, h\u00e3y ki\u1ec3m tra pH v\u00e0 t\u00ednh ch\u1ea5t n\u01b0\u1edbc tr\u01b0\u1edbc.<br \/> + L\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng th\u00f4ng tho\u00e1ng, c\u00f3 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i n\u1ebfu c\u1ea7n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1740122114898\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Neu_lo_bi_NaOH_ban_vao_da_hoac_mat_thi_phai_xu_ly_nhu_the_nao\"><\/span>N\u1ebfu l\u1ee1 b\u1ecb NaOH b\u1eafn v\u00e0o da ho\u1eb7c m\u1eaft th\u00ec ph\u1ea3i x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>NaOH l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t \u0103n m\u00f2n m\u1ea1nh, n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi da ho\u1eb7c m\u1eaft c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng n\u1eb7ng, ho\u1ea1i t\u1eed m\u00f4. Khi b\u1ecb b\u1eafn NaOH v\u00e0o c\u01a1 th\u1ec3, c\u1ea7n s\u01a1 c\u1ee9u ngay l\u1eadp t\u1ee9c \u0111\u1ec3 gi\u1ea3m t\u00e1c h\u1ea1i.<br \/>\ud83d\udccc X\u1eed l\u00fd khi NaOH d\u00ednh v\u00e0o da:<br \/>+ R\u1eeda ngay b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch trong 15-30 ph\u00fat.<br \/>+ Kh\u00f4ng d\u00f9ng gi\u1ea5m ho\u1eb7c axit \u0111\u1ec3 trung h\u00f2a, v\u00ec c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng ph\u1ee5 nguy hi\u1ec3m.<br \/>+ Thoa kem d\u01b0\u1ee1ng \u1ea9m, kh\u00f4ng c\u00e0o g\u00e3i v\u00f9ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng.<br \/>+  N\u1ebfu b\u1ecb b\u1ecfng n\u1eb7ng, \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf ngay l\u1eadp t\u1ee9c.<br \/>\ud83d\udccc X\u1eed l\u00fd khi NaOH b\u1eafn v\u00e0o m\u1eaft:<br \/>+ R\u1eeda ngay b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch trong 20-30 ph\u00fat, m\u1edf m\u1eaft h\u1ebft c\u1ee1 khi r\u1eeda.<br \/>+ Kh\u00f4ng d\u00f9ng thu\u1ed1c nh\u1ecf m\u1eaft khi ch\u01b0a c\u00f3 ch\u1ec9 \u0111\u1ecbnh b\u00e1c s\u0129.<br \/>+ \u0110\u01b0a n\u1ea1n nh\u00e2n \u0111\u1ebfn b\u1ec7nh vi\u1ec7n ngay \u0111\u1ec3 ki\u1ec3m tra th\u1ecb l\u1ef1c.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1740122153880\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Co_the_dung_NaOH_de_khu_mui_hoi_trong_nuoc_thai_khong\"><\/span>C\u00f3 th\u1ec3 d\u00f9ng NaOH \u0111\u1ec3 kh\u1eed m\u00f9i h\u00f4i trong n\u01b0\u1edbc th\u1ea3i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>NaOH c\u00f3 th\u1ec3 gi\u00fap <strong>gi\u1ea3m m\u00f9i h\u00f4i trong n\u01b0\u1edbc th\u1ea3i<\/strong>, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng hi\u1ec7u qu\u1ea3. C\u01a1 ch\u1ebf kh\u1eed m\u00f9i c\u1ee7a NaOH g\u1ed3m:<br \/>+ <strong>Trung h\u00f2a kh\u00ed H\u2082S:<\/strong><br \/>   &#8211; NaOH ph\u1ea3n \u1ee9ng v\u1edbi <strong>kh\u00ed hydro sulfide (H\u2082S)<\/strong> \u2013 nguy\u00ean nh\u00e2n g\u00e2y <strong>m\u00f9i tr\u1ee9ng th\u1ed1i<\/strong> trong n\u01b0\u1edbc th\u1ea3i.<br \/>   &#8211; Ph\u1ea3n \u1ee9ng t\u1ea1o ra <strong>mu\u1ed1i NaHS ho\u1eb7c Na\u2082S<\/strong>, l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 kh\u00ed H\u2082S bay h\u01a1i.<br \/>+ <strong>\u1ee8c ch\u1ebf qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y y\u1ebfm kh\u00ed:<\/strong><br \/>   &#8211; NaOH gi\u00fap <strong>t\u0103ng \u0111\u1ed9 pH<\/strong>, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh <strong>ph\u00e2n h\u1ee7y h\u1eefu c\u01a1<\/strong>, t\u1eeb \u0111\u00f3 h\u1ea1n ch\u1ebf sinh ra <strong>m\u00f9i h\u00f4i<\/strong>.<br \/>\ud83d\udccc <strong>H\u1ea1n ch\u1ebf c\u1ee7a NaOH trong kh\u1eed m\u00f9i:<\/strong><br \/>\u274c Kh\u00f4ng kh\u1eed \u0111\u01b0\u1ee3c <strong>m\u00f9i amoniac (NH\u2083), m\u00f9i h\u1eefu c\u01a1 ph\u00e2n h\u1ee7y.<\/strong><br \/>\u274c N\u1ebfu d\u00f9ng qu\u00e1 nhi\u1ec1u, NaOH c\u00f3 th\u1ec3 <strong>l\u00e0m n\u01b0\u1edbc th\u1ea3i qu\u00e1 ki\u1ec1m<\/strong>, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 vi sinh x\u1eed l\u00fd n\u01b0\u1edbc.<br \/>\u274c Gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 h\u01a1n: <strong>D\u00f9ng than ho\u1ea1t t\u00ednh, h\u00f3a ch\u1ea5t oxy h\u00f3a (KMnO\u2084, O\u2083), ho\u1eb7c vi sinh kh\u1eed m\u00f9i.<\/strong><br \/>\ud83d\udccc <strong>G\u1ee3i \u00fd thay th\u1ebf:<\/strong><br \/>+ K\u1ebft h\u1ee3p <strong>NaOH + vi sinh kh\u1eed m\u00f9i<\/strong> \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3.<br \/>+ D\u00f9ng <strong>h\u1ec7 th\u1ed1ng l\u1ecdc kh\u00ed sinh h\u1ecdc<\/strong>, gi\u00fap h\u1ea5p th\u1ee5 m\u00f9i t\u1ed1t h\u01a1n.<br \/>+ Ki\u1ec3m tra <strong>ngu\u1ed3n ph\u00e1t sinh m\u00f9i<\/strong>, x\u1eed l\u00fd t\u1eadn g\u1ed1c.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, x\u00fat NaOH (natri hydroxit) l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t ki\u1ec1m m\u1ea1nh, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH, lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng, v\u00e0 h\u1ed7 tr\u1ee3 k\u1ebft t\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, gi\u1ea3m t\u00e1c \u0111\u1ed9ng ti\u00eau [&#8230;]\n","protected":false},"author":2,"featured_media":3343,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/3342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/comments?post=3342"}],"version-history":[{"count":4,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/3342\/revisions"}],"predecessor-version":[{"id":5595,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/3342\/revisions\/5595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/media\/3343"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/media?parent=3342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/categories?post=3342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/tags?post=3342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}