{"id":2904,"date":"2024-02-28T10:55:18","date_gmt":"2024-02-28T03:55:18","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=2904"},"modified":"2025-07-17T15:32:33","modified_gmt":"2025-07-17T08:32:33","slug":"naoh-la-gi","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi","title":{"rendered":"NaOH L\u00e0 G\u00ec: C\u00f3 T\u00e1c D\u1ee5ng Ra Sao V\u00e0 Mua \u1ede \u0110\u00e2u"},"content":{"rendered":"<p>Natri Hidroxit (<strong>Sodium hydroxide<\/strong>), hay c\u00f2n g\u1ecdi l\u00e0 <strong>x\u00fat \u0103n da<\/strong>, l\u00e0 m\u1ed9t <strong>h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh ki\u1ec1m m\u1ea1nh<\/strong>, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb <strong>x\u1eed l\u00fd n\u01b0\u1edbc, s\u1ea3n xu\u1ea5t gi\u1ea5y, ch\u1ebf t\u1ea1o x\u00e0 ph\u00f2ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u<\/strong>. H\u1ee3p ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh <strong>\u0111i\u1ec7n ph\u00e2n dung d\u1ecbch n\u01b0\u1edbc mu\u1ed1i<\/strong>, c\u00f9ng v\u1edbi kh\u00ed clo (<strong>Cl\u2082<\/strong>) v\u00e0 kh\u00ed hidro (<strong>H\u2082<\/strong>). <strong>NaOH c\u00f3 \u0111\u1ed9c kh\u00f4ng? C\u1ea7n l\u01b0u \u00fd g\u00ec khi s\u1eed d\u1ee5ng?<\/strong> H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 \u0111\u1eb7c t\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng an to\u00e0n c\u1ee7a h\u00f3a ch\u1ea5t n\u00e0y.\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\" 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class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#Dieu_Che_Xut_Ra_Sao\" title=\"\u0110i\u1ec1u Ch\u1ebf X\u00fat Ra Sao?\">\u0110i\u1ec1u Ch\u1ebf X\u00fat Ra Sao?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#Quy_trinh_Castner-Kellner\" title=\"Quy tr\u00ecnh Castner-Kellner\">Quy tr\u00ecnh Castner-Kellner<\/a><\/li><\/ul><\/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\/en\/naoh-la-gi\/#Tac_Dung_Cua_Xut_Ra_Sao\" title=\"T\u00e1c D\u1ee5ng C\u1ee7a X\u00fat Ra Sao?\">T\u00e1c D\u1ee5ng C\u1ee7a X\u00fat Ra Sao?<\/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\/en\/naoh-la-gi\/#Natri_Hidroxit_trong_xa_phong\" title=\"Natri Hidroxit trong x\u00e0 ph\u00f2ng\">Natri Hidroxit trong x\u00e0 ph\u00f2ng<\/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\/en\/naoh-la-gi\/#Cong_dung_cua_Natri_Hidroxit_trong_nha\" title=\"C\u00f4ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong nh\u00e0\">C\u00f4ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong nh\u00e0<\/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\/en\/naoh-la-gi\/#Ung_dung_cua_Natri_Hidroxit_trong_cong_nghiep\" title=\"\u1ee8ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong c\u00f4ng nghi\u1ec7p\">\u1ee8ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong c\u00f4ng nghi\u1ec7p<\/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\/en\/naoh-la-gi\/#Cong_dung_khac_cua_Natri_Hidroxit\" title=\"C\u00f4ng d\u1ee5ng kh\u00e1c c\u1ee7a Natri Hidroxit\">C\u00f4ng d\u1ee5ng kh\u00e1c c\u1ee7a Natri Hidroxit<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#Mua_NaOH_O_Dau_Gia_On\" title=\"Mua NaOH \u1ede \u0110\u00e2u Gi\u00e1 \u1ed4n?\">Mua NaOH \u1ede \u0110\u00e2u Gi\u00e1 \u1ed4n?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#NaOH_co_the_su_dung_trong_nong_nghiep_khong\" title=\"NaOH c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong n\u00f4ng nghi\u1ec7p kh\u00f4ng?\">NaOH c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong n\u00f4ng nghi\u1ec7p 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\/en\/naoh-la-gi\/#NaOH_co_the_lam_sach_be_mat_kim_loai_khong\" title=\"NaOH c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i kh\u00f4ng?\">NaOH c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#NaOH_co_the_thay_the_baking_soda_trong_nau_an_khong\" title=\"NaOH c\u00f3 th\u1ec3 thay th\u1ebf baking soda trong n\u1ea5u \u0103n kh\u00f4ng?\">NaOH c\u00f3 th\u1ec3 thay th\u1ebf baking soda trong n\u1ea5u \u0103n 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\/en\/naoh-la-gi\/#NaOH_co_bi_phan_huy_hay_bay_hoi_theo_thoi_gian_khong\" title=\"NaOH c\u00f3 b\u1ecb ph\u00e2n h\u1ee7y hay bay h\u01a1i theo th\u1eddi gian kh\u00f4ng?\">NaOH c\u00f3 b\u1ecb ph\u00e2n h\u1ee7y hay bay h\u01a1i theo th\u1eddi gian kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hoachatlocthien.com\/en\/naoh-la-gi\/#NaOH_co_anh_huong_den_duong_ong_nuoc_khong\" title=\"NaOH c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc kh\u00f4ng?\">NaOH c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NaOH_La_Gi\"><\/span>NaOH L\u00e0 G\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>NaOH L\u00e0 G\u00ec? NaOH (Natri Hidroxit)<\/strong>, hay c\u00f2n g\u1ecdi l\u00e0 <strong>x\u00fat \u0103n da<\/strong>, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t <strong>ki\u1ec1m m\u1ea1nh<\/strong> c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc <strong>Sodium hydroxide<\/strong>. C\u00e1i t\u00ean <strong>\u201cx\u00fat \u0103n da\u201d<\/strong> xu\u1ea5t ph\u00e1t t\u1eeb <strong>\u0111\u1eb7c t\u00ednh \u0103n m\u00f2n m\u1ea1nh<\/strong>, c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng da v\u00e0 m\u00f4 s\u1ed1ng n\u1ebfu ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.\n\n<strong>C\u00f4ng Th\u1ee9c H\u00f3a H\u1ecdc V\u00e0 \u0110\u1eb7c \u0110i\u1ec3m<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>Chemical formula<\/strong>: <strong>Sodium hydroxide<\/strong><\/li>\n\n<li><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong>:<ul class=\"wp-block-list\"><li><strong>Tr\u1ea1ng th\u00e1i<\/strong>: D\u1ea1ng r\u1eafn (h\u1ea1t, v\u1ea3y) ho\u1eb7c dung d\u1ecbch ki\u1ec1m m\u1ea1nh.<\/li>\n\n<li><strong>M\u00e0u s\u1eafc<\/strong>: R\u1eafn m\u00e0u tr\u1eafng, dung d\u1ecbch trong su\u1ed1t.<\/li>\n\n<li><strong>H\u00f2a tan t\u1ed1t trong n\u01b0\u1edbc<\/strong>, t\u1ea1o ra nhi\u1ec7t l\u01b0\u1ee3ng l\u1edbn khi tan.<\/li><\/ul><\/li>\n\n<li><strong>Chemical properties<\/strong>:<ul class=\"wp-block-list\"><li>C\u00f3 t\u00ednh <strong>\u0103n m\u00f2n cao<\/strong>, \u0111\u1eb7c bi\u1ec7t g\u00e2y b\u1ecfng da n\u1ebfu ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<\/li>\n\n<li>Ph\u1ea3n \u1ee9ng m\u1ea1nh v\u1edbi c\u00e1c axit t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc: <span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">NaOH+HCl\u2192NaCl+H2ONaOH + HCl \u2192 NaCl + H_2O<\/span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord mathnormal\">O<\/span><span class=\"mord mathnormal\">H<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">H<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mrel\">\u2192<\/span><\/span><span class=\"base\"><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord mathnormal\">Cl<\/span><span class=\"mbin\">+<\/span><\/span><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">O<\/span><\/span><\/span><\/span><\/span><\/li>\n\n<li>H\u1ea5p th\u1ee5 CO\u2082 trong kh\u00f4ng kh\u00ed, t\u1ea1o th\u00e0nh Na\u2082CO\u2083.<\/li><\/ul><\/li><\/ul><p><strong>T\u00ednh ch\u1ea5t c\u1ee7a NaOH:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>Tr\u1ea1ng th\u00e1i<\/strong>: D\u1ea1ng r\u1eafn m\u00e0u tr\u1eafng ho\u1eb7c dung d\u1ecbch kh\u00f4ng m\u00e0u.<\/li>\n\n<li><strong>T\u00ednh tan<\/strong>: H\u00f2a tan m\u1ea1nh trong n\u01b0\u1edbc v\u00e0 t\u1ecfa nhi\u1ec7t khi tan.<\/li>\n\n<li><strong>T\u00ednh \u0103n m\u00f2n<\/strong>: G\u00e2y b\u1ecfng da, l\u00e0m h\u1ecfng m\u00f4 t\u1ebf b\u00e0o.<\/li>\n\n<li><strong>Application<\/strong>: D\u00f9ng trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, s\u1ea3n xu\u1ea5t x\u00e0 ph\u00f2ng, gi\u1ea5y, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nhi\u1ec1u ng\u00e0nh kh\u00e1c.<\/li><\/ul><p>\nNaOH \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c <strong>t\u1eeb c\u00f4ng nghi\u1ec7p \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y<\/strong>.\n\nX\u00fat \u1edf d\u1ea1ng r\u1eafn c\u00f3 m\u00e0u tr\u1eafng, c\u00f2n \u1edf d\u1ea1ng l\u1ecfng th\u00ec trong su\u1ed1t, kh\u00f4ng m\u00e0u. Natri Hidroxit c\u00f3 t\u00ednh ki\u1ec1m m\u1ea1nh v\u00e0 c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y l\u00e0 591K.NaOH \u1ed5n \u0111\u1ecbnh trong nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m t\u1eeb kh\u00f4ng kh\u00ed t\u1ed1t. Natri Hidroxit kh\u00f4ng m\u00f9i, c\u00f3 v\u1ecb \u0111\u1eafng nh\u01b0 x\u00e0 ph\u00f2ng, h\u00f2a tan cao trong n\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>NaOH d\u1ea1ng l\u1ecfng<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong c\u00f4ng nghi\u1ec7p nh\u1edd kh\u1ea3 n\u0103ng pha ch\u1ebf linh ho\u1ea1t. Khi tr\u1ed9n v\u1edbi n\u01b0\u1edbc, n\u00f3 gi\u1ea3i ph\u00f3ng nhi\u1ec7t \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y.\n<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em><strong><a href=\"https:\/\/hoachatlocthien.com\/en\/hoa-chat-naoh-natri-hidroxit-co-doc-khong\/\" target=\"_new\" rel=\"noopener\">NaOH c\u00f3 \u0111\u1ed9c kh\u00f4ng<\/a><\/strong> v\u00e0 c\u1ea7n l\u01b0u \u00fd g\u00ec khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t n\u00e0y?<\/em><\/p><\/blockquote><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/062er606he1.jpg\" alt=\"NaOH l\u00e0 g\u00ec - \u0110i\u1ec1u Ch\u1ebf NaOH - X\u00fat - X\u00fat V\u1ea3y - Natri Hidroxit\" class=\"wp-image-2905 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/062er606he1.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/062er606he1-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dieu_Che_Xut_Ra_Sao\"><\/span>\u0110i\u1ec1u Ch\u1ebf X\u00fat Ra Sao?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>NaOH \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/strong> Hi\u1ec7n nay, <strong>x\u00fat \u0103n da<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p, ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:\n<\/p><ul class=\"wp-block-list\"><li><strong>\u0110i\u1ec7n ph\u00e2n dung d\u1ecbch mu\u1ed1i \u0103n (NaCl)<\/strong> b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p <strong>Castner-Kellner<\/strong>.<\/li>\n\n<li><strong>Bu\u1ed3ng ng\u0103n m\u00e0ng Nelson<\/strong> \u2013 m\u1ed9t bi\u1ebfn th\u1ec3 kh\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh \u0111i\u1ec7n ph\u00e2n.<\/li>\n\n<li><strong>Quy tr\u00ecnh Loewig<\/strong> \u2013 \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/li><\/ul><p>\nTrong s\u1ed1 \u0111\u00f3, <strong>\u0111i\u1ec7n ph\u00e2n mu\u1ed1i \u0103n<\/strong> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p <strong>hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/strong> \u0111\u1ec3 t\u1ea1o ra NaOH v\u1edbi \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u1ed3ng th\u1eddi thu \u0111\u01b0\u1ee3c kh\u00ed <strong>clo (Cl\u2082) v\u00e0 hidro (H\u2082)<\/strong>.\n\n<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/23yr238t.jpg\" alt=\"NaOH l\u00e0 g\u00ec - \u0110i\u1ec1u Ch\u1ebf NaOH - X\u00fat\" class=\"wp-image-2731 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/23yr238t.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/23yr238t-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quy_trinh_Castner-Kellner\"><\/span>Quy tr\u00ecnh Castner-Kellner<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>V\u1ec1 ph\u01b0\u01a1ng ph\u00e1p Castner-Kellner, quy tr\u00ecnh n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch n\u01b0\u1edbc mu\u1ed1i \u0111\u1ec3 thu \u0111\u01b0\u1ee3c Natri Hidroxit.<\/li>\n\n<li>Trong bu\u1ed3ng Castner-Kellner, ng\u01b0\u1eddi ta d\u00f9ng m\u1ed9t th\u00f9ng th\u00e9p h\u00ecnh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c l\u00f3t ebonite b\u00ean trong. Trong \u0111\u00f3, Titan \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ef1c d\u01b0\u01a1ng, c\u00f2n c\u1ef1c \u00e2m l\u00e0 m\u1ed9t l\u1edbp th\u1ee7y ng\u00e2n \u1edf \u0111\u00e1y b\u1ec3.<\/li>\n\n<li>S\u1ef1 ion h\u00f3a dung d\u1ecbch n\u01b0\u1edbc mu\u1ed1i x\u1ea3y ra nh\u01b0 sau:<ul class=\"wp-block-list\"><li>2NaCl \u2192 2Na+ + 2Cl-<\/li><\/ul><\/li>\n\n<li>Khi s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n, qu\u00e1 tr\u00ecnh ion h\u00f3a b\u1eaft \u0111\u1ea7u, c\u00e1c ion \u0111\u01b0\u1ee3c d\u1eabn v\u1ec1 ph\u00eda c\u00e1c \u0111i\u1ec7n c\u1ef1c t\u01b0\u01a1ng \u1ee9ng. C\u00e1c ion natri l\u1eafng \u0111\u1ecdng \u1edf c\u1ef1c \u00e2m th\u1ee7y ng\u00e2n, t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p natri. C\u00e1c ion clo di chuy\u1ec3n v\u1ec1 ph\u00eda c\u1ef1c d\u01b0\u01a1ng v\u00e0 tho\u00e1t ra kh\u1ecfi bu\u1ed3ng ng\u0103n t\u1eeb tr\u00ean xu\u1ed1ng.<\/li>\n\n<li>Ph\u1ea3n \u1ee9ng x\u1ea3y ra \u1edf c\u00e1c \u0111i\u1ec7n c\u1ef1c nh\u01b0 sau:<ul class=\"wp-block-list\"><li>\u1ede c\u1ef1c d\u01b0\u01a1ng: 2Cl- \u2192 Cl2 + 2e-<\/li>\n\n<li>\u1ede c\u1ef1c \u00e2m: 2Na+ + 2e- \u2192 2Na<\/li><\/ul><\/li>\n\n<li>H\u1ed7n h\u1ee3p Natri thu \u0111\u01b0\u1ee3c sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u1ed9t bu\u1ed3ng kh\u00e1c g\u1ecdi l\u00e0 bu\u1ed3ng kh\u1eed, t\u1ea1i \u0111\u00e2y n\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra dung d\u1ecbch Natri Hidroxit. Khi l\u00e0m bay h\u01a1i dung d\u1ecbch, ta s\u1ebd thu \u0111\u01b0\u1ee3c Natri Hidroxit d\u1ea1ng r\u1eafn. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 thu \u0111\u01b0\u1ee3c x\u00fat nguy\u00ean ch\u1ea5t.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tac_Dung_Cua_Xut_Ra_Sao\"><\/span>T\u00e1c D\u1ee5ng C\u1ee7a X\u00fat Ra Sao?<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>Trong s\u1ea3n xu\u1ea5t x\u00e0 ph\u00f2ng v\u00e0 ch\u1ea5t t\u1ea9y r\u1eeda<\/strong><ul class=\"wp-block-list\"><li><strong>Sodium hydroxide<\/strong> l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong <strong>quy tr\u00ecnh x\u00e0 ph\u00f2ng h\u00f3a<\/strong>, gi\u00fap bi\u1ebfn d\u1ea7u m\u1ee1 th\u00e0nh <strong>x\u00e0 ph\u00f2ng<\/strong> and <strong>glycerin<\/strong>.<\/li>\n\n<li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <strong>n\u01b0\u1edbc r\u1eeda ch\u00e9n, n\u01b0\u1edbc lau s\u00e0n<\/strong> v\u1edbi kh\u1ea3 n\u0103ng <strong>ph\u00e2n h\u1ee7y d\u1ea7u m\u1ee1, v\u1ebft b\u1ea9n m\u1ea1nh m\u1ebd<\/strong>.<\/li><\/ul><\/li>\n\n<li><strong>Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong><ul class=\"wp-block-list\"><li>Gi\u00fap \u0111i\u1ec1u ch\u1ec9nh <strong>\u0111\u1ed9 pH<\/strong> trong <strong>h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong>.<\/li>\n\n<li><strong>Lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng<\/strong> trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul><\/li>\n\n<li><strong>Trong s\u1ea3n xu\u1ea5t gi\u1ea5y v\u00e0 d\u1ec7t nhu\u1ed9m<\/strong><ul class=\"wp-block-list\"><li>D\u00f9ng \u0111\u1ec3 <strong>lo\u1ea1i b\u1ecf lignin<\/strong> trong <strong>ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u1ea5y<\/strong>.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng trong <strong>c\u00f4ng nghi\u1ec7p d\u1ec7t<\/strong> gi\u00fap l\u00e0m s\u1ea1ch s\u1ee3i v\u1ea3i tr\u01b0\u1edbc khi nhu\u1ed9m m\u00e0u.<\/li><\/ul><\/li>\n\n<li><strong>Trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m<\/strong><ul class=\"wp-block-list\"><li><strong>D\u00f9ng trong s\u1ea3n xu\u1ea5t cacao, s\u00f4-c\u00f4-la<\/strong>, gi\u00fap t\u0103ng c\u01b0\u1eddng m\u00e0u s\u1eafc v\u00e0 h\u01b0\u01a1ng v\u1ecb.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng trong l\u00e0m gi\u00f2n v\u1ecf b\u00e1nh <strong>pretzel<\/strong>.<\/li><\/ul><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Natri_Hidroxit_trong_xa_phong\"><\/span>Natri Hidroxit trong x\u00e0 ph\u00f2ng<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\nL\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean li\u1ec7u b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 khi l\u00e0m x\u00e0 ph\u00f2ng. Natri Hidroxit khi \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi d\u1ea7u v\u00e0 ch\u1ea5t b\u00e9o s\u1ebd t\u1ea1o ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc g\u1ecdi l\u00e0 x\u00e0 ph\u00f2ng h\u00f3a. T\u1eeb ph\u1ea3n \u1ee9ng n\u00e0y m\u00e0 ta s\u1ebd l\u00e0m ra c\u00e1c lo\u1ea1i x\u00e0 ph\u00f2ng th\u1ee7 c\u00f4ng \u0111\u1eb9p m\u1eaft.\n\n<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"900\" height=\"600\" data-sizes=\"(max-width: 900px) 100vw, 900px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/KOH-ung-dung-trong-san-xuat-xa-phong.jpg\" alt=\"KOH \u1ee9ng d\u1ee5ng l\u00e0m m\u1ec1m x\u00e0 ph\u00f2ng - NaOH l\u00e0 g\u00ec - \u0110i\u1ec1u Ch\u1ebf NaOH - X\u00fat\" class=\"wp-image-1318 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/KOH-ung-dung-trong-san-xuat-xa-phong.jpg 900w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/KOH-ung-dung-trong-san-xuat-xa-phong-500x333.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 900px; --smush-placeholder-aspect-ratio: 900\/600;\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cong_dung_cua_Natri_Hidroxit_trong_nha\"><\/span>C\u00f4ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong nh\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\nCh\u1ea5t t\u1ea9y r\u1eeda c\u1ed1ng v\u00e0 ch\u1ea5t t\u1ea9y r\u1eeda l\u00f2 n\u01b0\u1edbng c\u00f3 ch\u1ee9a Natri Hidroxit v\u00e0 l\u00e0 nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i nh\u00e0. C\u00e1c \u0111\u01b0\u1eddng \u1ed1ng b\u1ecb t\u1eafc ch\u1ee9a d\u1ea7u m\u1ee1 v\u00e0 ch\u1ea5t b\u00e9o \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh x\u00e0 ph\u00f2ng b\u1eb1ng Natri Hidroxit. Ngo\u00e0i ra, ch\u1ea5t t\u1ea9y r\u1eeda l\u00f2 n\u01b0\u1edbng c\u0169ng ho\u1ea1t \u0111\u1ed9ng theo quy tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 v\u00e0 c\u00f3 th\u1ec3 lau s\u1ea1ch b\u1eb1ng mi\u1ebfng b\u1ecdt bi\u1ec3n \u01b0\u1edbt k\u1ebft h\u1ee3p v\u1edbi x\u00e0 ph\u00f2ng.\n<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_Natri_Hidroxit_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a Natri Hidroxit trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\nTrong ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m, NaOH \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i thu\u1ed1c kh\u00e1c nhau nh\u01b0 aspirin, thu\u1ed1c gi\u1ea3m \u0111au, thu\u1ed1c gi\u1ea3m cholesterol v\u00e0 thu\u1ed1c ch\u1ed1ng \u0111\u00f4ng m\u00e1u. N\u00f3 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd th\u00f4 b\u1ed9t g\u1ed7 \u0111\u1ec3 trong ng\u00e0nh s\u1ea3n xu\u1ea5t gi\u1ea5y. X\u00fat c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu l\u1ea5y nh\u00f4m t\u1eeb b\u00f4-x\u00edt trong ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u00f4m. Ngo\u00e0i ra, x\u00fat c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ea5t t\u1ea9y r\u1eeda.\n<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cong_dung_khac_cua_Natri_Hidroxit\"><\/span>C\u00f4ng d\u1ee5ng kh\u00e1c c\u1ee7a Natri Hidroxit<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\n\u0110\u1ec3 l\u00e0m m\u1ed9t s\u1ed1 m\u00f3n b\u00e1nh, ng\u01b0\u1eddi ta s\u1ebd d\u00f9ng NaOH \u0111\u1ec3 tr\u00e1ng men tr\u01b0\u1edbc khi n\u01b0\u1edbng. X\u00fat c\u00f2n gi\u00fap lo\u1ea1i b\u1ecf h\u00f3a ch\u1ea5t tr\u00ean rau v\u00e0 tr\u00e1i c\u00e2y, s\u1ea3n xu\u1ea5t m\u00e0u caramel, ch\u1ebf bi\u1ebfn ca cao v\u00e0 s\u00f4 c\u00f4 la, l\u00e0m \u0111\u1eb7c kem v\u00e0 ch\u1ebf bi\u1ebfn n\u01b0\u1edbc gi\u1ea3i kh\u00e1t. Trong x\u1eed l\u00fd n\u01b0\u1edbc, <strong>NaOH trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong> c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c kim lo\u1ea1i n\u1eb7ng hi\u1ec7u qu\u1ea3.\n<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><span style=\"text-decoration: underline;\"><strong>Xem th\u00eam:<\/strong><\/span> <a href=\"https:\/\/hoachatlocthien.com\/en\/cach-pha-xut-naoh-trong-xu-ly-nuoc-thai\/\">C\u00e1ch pha x\u00fat<\/a><\/p><\/blockquote><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/naoh-45-6.jpg\" alt=\"naoh l\u1ed9c thi\u00ean\" class=\"wp-image-2733 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/naoh-45-6.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/01\/naoh-45-6-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><p>.\n<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mua_NaOH_O_Dau_Gia_On\"><\/span>Mua NaOH \u1ede \u0110\u00e2u Gi\u00e1 \u1ed4n?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\nQua b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i mong qu\u00fd v\u1ecb \u0111\u00e3 n\u1eafm r\u00f5 <strong>NaOH l\u00e0 g\u00ec<\/strong> v\u00e0 \u0111\u1ec3 s\u1eed d\u1ee5ng x\u00fat \u0103n da m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, qu\u00fd v\u1ecb c\u1ea7n l\u1ef1a ch\u1ecdn lo\u1ea1i c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c b\u00e1n b\u1edfi c\u00e1c \u0111\u01a1n v\u1ecb uy t\u00edn. Hi\u1ec7n nay, tr\u00ean th\u1ecb tr\u01b0\u1eddng&nbsp;<strong>NaOH c\u00f3 3 d\u1ea1ng ph\u1ed5 bi\u1ebfn<\/strong>:\n<\/p><ul class=\"wp-block-list\"><li><a href=\"https:\/\/hoachatlocthien.com\/en\/xut-vay-naoh-99-trung-quoc\/\"><strong>X\u00fat v\u1ea3y Trung Qu\u1ed1c<\/strong><\/a> \u2013 \u0111\u1ed9 tinh khi\u1ebft cao, d\u1ec5 b\u1ea3o qu\u1ea3n.<\/li>\n\n<li><strong><a href=\"https:\/\/hoachatlocthien.com\/en\/xut-hat-naoh-99-dai-loan\/\">X\u00fat h\u1ea1t \u0110\u00e0i Loan<\/a><\/strong> \u2013 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u, d\u1ec5 s\u1eed d\u1ee5ng.<\/li>\n\n<li><strong><a href=\"https:\/\/hoachatlocthien.com\/en\/xut-naoh-long\/\">X\u00fat l\u1ecfng<\/a><\/strong> \u2013 ti\u1ec7n l\u1ee3i, d\u1ec5 pha ch\u1ebf.<\/li><\/ul><p><strong>H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean<\/strong> &#8211; m\u1ed9t trong nh\u1eefng \u0111\u01a1n v\u1ecb c\u00f3 uy t\u00edn trong l\u0129nh v\u1ef1c cung c\u1ea5p h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc, h\u00f3a ch\u1ea5t c\u01a1 b\u1ea3n, \u2026.Ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng, ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9 r\u00f5 r\u00e0ng v\u00e0 c\u00f3 gi\u00e1 c\u1ea3 r\u1ea5t ph\u1ea3i ch\u0103ng. \u0110\u1ec3 mua h\u00f3a ch\u1ea5t X\u00fat &#8211; NaOH, qu\u00fd v\u1ecb c\u00f3 th\u1ec3 \u0111\u1ebfn tr\u1ef1c ti\u1ebfp \u0111\u1ecba ch\u1ec9 sau:\n<\/p><ul class=\"wp-block-list\"><li>452\/6B T\u1ec9nh L\u1ed9 10, Ph\u01b0\u1eddng B\u00ecnh Tr\u1ecb \u0110\u00f4ng, Qu\u1eadn B\u00ecnh T\u00e2n, TP HCM.<\/li><\/ul><p>\nN\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n, qu\u00fd v\u1ecb c\u00f3 th\u1ec3 li\u00ean h\u1ec7 24\/7 v\u1edbi s\u1ed1 <strong>hotline <a href=\"tel:0979891929\">0979 89 1929<\/a><\/strong> \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 h\u1ed7 tr\u1ee3 mi\u1ec5n ph\u00ed.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1000\" height=\"730\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/64sf94jty.jpg\" alt=\"NaOH l\u00e0 g\u00ec - \u0110i\u1ec1u Ch\u1ebf NaOH - X\u00fat - Natri Hidroxit\" class=\"wp-image-2906 lazyload\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/64sf94jty.jpg 1000w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2024\/02\/64sf94jty-500x365.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1000px; --smush-placeholder-aspect-ratio: 1000\/730;\" \/><\/figure><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><div class=\"row row-collapse row-full-width\"  id=\"row-1130112480\">\n\n\n\t<div id=\"col-1043006634\" 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>LOC THIEN INVESTMENT AND DEVELOPMENT CO., LTD<\/strong><\/p>\n<ul>\n<li><strong>Address:\u00a0<\/strong>452\/6B Provincial Road 10, Binh Tri Dong Ward, Binh Tan District, Ho Chi Minh City<\/li>\n<li><strong>Phone:<\/strong> 028 6269 5669 - \u00a0028 6269 5662<\/li>\n<li><strong>Website<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/en\/\" target=\"_blank\" rel=\"noopener\">hoachatlocthien.com<\/a><\/li>\n<li><strong>Fax:\u00a0<\/strong>028 6269 5662 -\u00a0<strong>Hotline<\/strong>: <a href=\"tel:0979891929\">0979 89 19 29<\/a><\/li>\n<\/ul>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1770047226\" 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>Branches and warehouses<\/strong><\/p>\n<ul>\n<li><strong>Warehouse 1<\/strong>Phuoc Hung Hamlet, My Xuan Commune, Tan Thanh District, Ba Ria - Vung Tau Province<\/li>\n<li><strong>Warehouse 2<\/strong>Ph\u01b0\u1edbc Th\u00e1i, X. Ph\u01b0\u1edbc B\u00ecnh, H. Long Th\u00e0nh, T. \u0110\u1ed3ng Nai<\/li>\n<li><strong>Warehouse 3<\/strong>: Tan Dong Hiep B Industrial Park, Di An, Binh Duong. .<\/li>\n<li><strong>Warehouse 4<\/strong>Hoa Khanh Ward, Da Nang<\/li>\n<li><strong>Warehouse 5:<\/strong> KCN \u00d4 M\u00f4n, Ph\u01b0\u1edbc Th\u1edbi Ward, \u00d4 M\u00f4n District, C\u1ea7n Th\u01a1 City<\/li>\n<li><strong>Warehouse 6:<\/strong> KCN Dai Dong - Hoan Son, Tri Phuong Commune, Tien Du District, Bac Ninh Province<\/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=\"L\u1ed9c Thi\u00ean Chemicals on Google Maps\" 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-1738653679548\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_the_su_dung_trong_nong_nghiep_khong\"><\/span>NaOH c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong n\u00f4ng nghi\u1ec7p kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>C\u00f3<\/strong>, nh\u01b0ng ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch. Trong n\u00f4ng nghi\u1ec7p, <strong>Sodium hydroxide<\/strong> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH trong n\u01b0\u1edbc t\u01b0\u1edbi ti\u00eau, x\u1eed l\u00fd \u0111\u1ea5t chua, v\u00e0 kh\u1eed tr\u00f9ng chu\u1ed3ng tr\u1ea1i. Tuy nhi\u00ean, do t\u00ednh \u0103n m\u00f2n cao, n\u1ebfu s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang li\u1ec1u l\u01b0\u1ee3ng, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho c\u00e2y tr\u1ed3ng v\u00e0 vi sinh v\u1eadt c\u00f3 l\u1ee3i trong \u0111\u1ea5t.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738653687727\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_the_lam_sach_be_mat_kim_loai_khong\"><\/span>NaOH c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>C\u00f3, nh\u01b0ng c\u00f3 gi\u1edbi h\u1ea1n.<\/strong> NaOH c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1 v\u00e0 t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1 tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i trong qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch c\u00f4ng nghi\u1ec7p. Tuy nhi\u00ean, <strong>NaOH kh\u00f4ng th\u1ec3 t\u1ea9y g\u1ec9 s\u00e9t<\/strong>, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n m\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u01b0 nh\u00f4m, \u0111\u1ed3ng n\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9. Khi d\u00f9ng NaOH \u0111\u1ec3 l\u00e0m s\u1ea1ch kim lo\u1ea1i, c\u1ea7n pha lo\u00e3ng v\u00e0 ki\u1ec3m so\u00e1t th\u1eddi gian ti\u1ebfp x\u00fac.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738653694339\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_the_thay_the_baking_soda_trong_nau_an_khong\"><\/span>NaOH c\u00f3 th\u1ec3 thay th\u1ebf baking soda trong n\u1ea5u \u0103n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>Kh\u00f4ng n\u00ean.<\/strong> M\u1eb7c d\u00f9 c\u1ea3 NaOH v\u00e0 baking soda (<strong>NaHCO\u2083<\/strong>) \u0111\u1ec1u c\u00f3 t\u00ednh ki\u1ec1m, nh\u01b0ng NaOH c\u00f3 t\u00ednh \u0103n m\u00f2n cao v\u00e0 c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng nghi\u00eam tr\u1ecdng. Trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, <strong>NaOH \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u00e0 ch\u1ec9 d\u00f9ng v\u1edbi n\u1ed3ng \u0111\u1ed9 c\u1ef1c th\u1ea5p<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd th\u1ef1c ph\u1ea9m nh\u01b0 b\u00e1nh pretzel ho\u1eb7c \u00f4 liu. D\u00f9ng NaOH thay cho baking soda trong b\u1ebfp <strong>c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m \u0111\u1ebfn s\u1ee9c kh\u1ecfe<\/strong>.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738653700538\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_bi_phan_huy_hay_bay_hoi_theo_thoi_gian_khong\"><\/span>NaOH c\u00f3 b\u1ecb ph\u00e2n h\u1ee7y hay bay h\u01a1i theo th\u1eddi gian kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>Kh\u00f4ng ph\u00e2n h\u1ee7y, nh\u01b0ng h\u00fat \u1ea9m m\u1ea1nh.<\/strong> Sodium hydroxide <strong>kh\u00f4ng bay h\u01a1i<\/strong> nh\u01b0ng c\u00f3 th\u1ec3 <strong>h\u00fat \u1ea9m v\u00e0 CO\u2082 t\u1eeb kh\u00f4ng kh\u00ed<\/strong>, t\u1ea1o th\u00e0nh <strong>Na\u2082CO\u2083<\/strong> (natri cacbonat \u2013 mu\u1ed1i soda). \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a NaOH n\u1ebfu kh\u00f4ng b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch. V\u00ec v\u1eady, c\u1ea7n <strong>b\u1ea3o qu\u1ea3n trong th\u00f9ng k\u00edn, tr\u00e1nh kh\u00f4ng kh\u00ed \u1ea9m v\u00e0 \u00e1nh s\u00e1ng tr\u1ef1c ti\u1ebfp<\/strong>.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1738653709861\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"NaOH_co_anh_huong_den_duong_ong_nuoc_khong\"><\/span>NaOH c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p><strong>C\u00f3, n\u1ebfu s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/strong> NaOH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <strong>th\u00f4ng t\u1eafc \u0111\u01b0\u1eddng \u1ed1ng<\/strong> do kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y d\u1ea7u m\u1ee1 v\u00e0 ch\u1ea5t h\u1eefu c\u01a1. Tuy nhi\u00ean, n\u1ebfu d\u00f9ng qu\u00e1 li\u1ec1u ho\u1eb7c \u0111\u1ec3 NaOH ti\u1ebfp x\u00fac l\u00e2u v\u1edbi <strong>\u1ed1ng nh\u00f4m, \u0111\u1ed3ng ho\u1eb7c nh\u1ef1a PVC<\/strong>, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u1ed1ng. Khi s\u1eed d\u1ee5ng NaOH \u0111\u1ec3 l\u00e0m s\u1ea1ch \u0111\u01b0\u1eddng \u1ed1ng, n\u00ean <strong>pha lo\u00e3ng v\u00e0 x\u1ea3 n\u01b0\u1edbc k\u1ef9 sau khi s\u1eed d\u1ee5ng<\/strong> \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Natri Hidroxit (NaOH), hay c\u00f2n g\u1ecdi l\u00e0 x\u00fat \u0103n da, l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh ki\u1ec1m m\u1ea1nh, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb x\u1eed l\u00fd n\u01b0\u1edbc, s\u1ea3n xu\u1ea5t gi\u1ea5y, ch\u1ebf t\u1ea1o x\u00e0 ph\u00f2ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u. H\u1ee3p ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111i\u1ec7n ph\u00e2n [&#8230;]\n","protected":false},"author":2,"featured_media":2908,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-2904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/2904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=2904"}],"version-history":[{"count":7,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/2904\/revisions"}],"predecessor-version":[{"id":5390,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/2904\/revisions\/5390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media\/2908"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=2904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=2904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=2904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}