{"id":9047,"date":"2026-05-06T08:00:00","date_gmt":"2026-05-06T08:00:00","guid":{"rendered":"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/"},"modified":"2026-05-06T08:00:00","modified_gmt":"2026-05-06T08:00:00","slug":"cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2","title":{"rendered":"C\u00f4ng D\u1ee5ng C\u1ee7a X\u00fat NaOH 48% Trong V\u1ec7 Sinh H\u1ed3 B\u01a1i Hi\u1ec7n Nay"},"content":{"rendered":"<article>\n<header class=\"hero\">\n<div class=\"kicker\">NaOH 48% h\u1ed3 b\u01a1i<\/div>\n<h1>C\u00f4ng D\u1ee5ng C\u1ee7a X\u00fat NaOH 48% Trong V\u1ec7 Sinh H\u1ed3 B\u01a1i Hi\u1ec7n Nay<\/h1>\n<p class=\"meta\">Bien soan boi doi ngu ky thuat <strong>Hoa Chat Loc Thien<\/strong>.<\/p>\n<p><strong>NaOH 48% (x\u00fat l\u1ecfng 48%)<\/strong> \u0111\u01b0\u1ee3c d\u00f9ng trong v\u1ec7 sinh h\u1ed3 b\u01a1i \u0111\u1ec3 n\u00e2ng pH, l\u00e0m s\u1ea1ch b\u1ec3, v\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 h\u1ec7 l\u1ecdc. B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn li\u1ec1u d\u00f9ng v\u00e0 l\u01b0u \u00fd an to\u00e0n.<\/p>\n<p class=\"note\">Noi dung tham khao, vui long doi chieu MSDS.<\/p>\n<\/header>\n<figure><img decoding=\"async\" class=\"thumb lazyload\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/Xut-vay-la-gi-png.webp\" alt=\"X\u00fat v\u1ea3y l\u00e0 g\u00ec\" width=\"900\" height=\"500\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 900px; --smush-placeholder-aspect-ratio: 900\/500;\"><figcaption class=\"meta\" style=\"text-align:center\">X\u00fat v\u1ea3y l\u00e0 g\u00ec<\/figcaption><\/figure>\n<div class=\"tag-list\"><span>NaOH 48% h\u1ed3 b\u01a1i<\/span><span>x\u00fat h\u1ed3 b\u01a1i<\/span><span>v\u1ec7 sinh h\u1ed3 b\u01a1i NaOH<\/span><span>n\u00e2ng pH h\u1ed3 b\u01a1i<\/span><span>NaOH 48%<\/span><\/div>\n<section id=\"cong-dung\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung<\/p>\n<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\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#1_Cong_dung_NaOH_48_trong_ve_sinh_ho_boi\" title=\"1. C\u00f4ng d\u1ee5ng NaOH 48% trong v\u1ec7 sinh h\u1ed3 b\u01a1i\">1. C\u00f4ng d\u1ee5ng NaOH 48% trong v\u1ec7 sinh h\u1ed3 b\u01a1i<\/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\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#2_Lieu_dung_NaOH_48_cho_ho_boi\" title=\"2. Li\u1ec1u d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i\">2. Li\u1ec1u d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i<\/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\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#3_Luu_y_quan_trong_khi_dung_NaOH_48_cho_ho_boi\" title=\"3. L\u01b0u \u00fd quan tr\u1ecdng khi d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i\">3. L\u01b0u \u00fd quan tr\u1ecdng khi d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i<\/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\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#4_Co_the_thay_NaOH_48_bang_gi\" title=\"4. C\u00f3 th\u1ec3 thay NaOH 48% b\u1eb1ng g\u00ec?\">4. C\u00f3 th\u1ec3 thay NaOH 48% b\u1eb1ng g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#Lien_he_Hoa_Chat_Loc_Thien\" title=\"Lien he Hoa Chat Loc Thien\">Lien he Hoa Chat Loc Thien<\/a><\/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\/en\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi-2\/#FAQ\" title=\"FAQ\">FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Cong_dung_NaOH_48_trong_ve_sinh_ho_boi\"><\/span>1. C\u00f4ng d\u1ee5ng NaOH 48% trong v\u1ec7 sinh h\u1ed3 b\u01a1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>N\u00e2ng pH n\u01b0\u1edbc h\u1ed3 b\u01a1i (chu\u1ea9n 7,2-7,6).<\/li>\n<li>V\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 h\u1ec7 l\u1ecdc c\u00e1t\/r\u1ed5.<\/li>\n<li>L\u00e0m s\u1ea1ch t\u01b0\u1eddng, \u0111\u00e1y b\u1ec3 b\u1eb1ng dung d\u1ecbch lo\u00e3ng.<\/li>\n<li>Trung h\u00f2a axit d\u01b0 khi x\u1eed l\u00fd c\u1eb7n calcium.<\/li>\n<\/ul>\n<\/section>\n<section id=\"lieu-dung\">\n<h2><span class=\"ez-toc-section\" id=\"2_Lieu_dung_NaOH_48_cho_ho_boi\"><\/span>2. Li\u1ec1u d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table class='specs'>\n<tr>\n<th>M\u1ee5c \u0111\u00edch<\/th>\n<th>Li\u1ec1u NaOH 48%<\/th>\n<\/tr>\n<tr>\n<td>N\u00e2ng pH 0,2 \u0111\u01a1n v\u1ecb (h\u1ed3 50 m\u00b3)<\/td>\n<td>~ 50-100 mL pha lo\u00e3ng<\/td>\n<\/tr>\n<tr>\n<td>V\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng<\/td>\n<td>NaOH 48% pha xu\u1ed1ng 2-5%<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea9y b\u00e1m t\u01b0\u1eddng, \u0111\u00e1y<\/td>\n<td>NaOH 1-2% (pha t\u1eeb 48%)<\/td>\n<\/tr>\n<\/table>\n<p class='note'>Pha NaOH 48% r\u1ea5t t\u1ecfa nhi\u1ec7t \u2013 c\u1ea7n l\u00e0m m\u00e1t v\u00e0 pha v\u00e0o n\u01b0\u1edbc trong n\u1ed3i PE.<\/p>\n<\/section>\n<figure style=\"margin:18px 0;text-align:center;\"><img decoding=\"async\" class=\"thumb lazyload\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/ty-le-su-dung-xut-vay-theo-nganh.png\" alt=\"t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng x\u00fat v\u1ea3y theo ng\u00e0nh\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 700px; --smush-placeholder-aspect-ratio: 700\/671;\"><figcaption class=\"meta\">t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng x\u00fat v\u1ea3y theo ng\u00e0nh<\/figcaption><\/figure>\n<section id=\"luu-y\">\n<h2><span class=\"ez-toc-section\" id=\"3_Luu_y_quan_trong_khi_dung_NaOH_48_cho_ho_boi\"><\/span>3. L\u01b0u \u00fd quan tr\u1ecdng khi d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Pha lo\u00e3ng \u0111\u00fang quy tr\u00ecnh: \u0111\u1ed5 NaOH v\u00e0o n\u01b0\u1edbc, kh\u00f4ng l\u00e0m ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>\u0110eo k\u00ednh, g\u0103ng tay, \u1ee7ng v\u00e0 t\u1ea1p d\u1ec1 khi thao t\u00e1c.<\/li>\n<li>Kh\u00f4ng cho ng\u01b0\u1eddi v\u00e0o h\u1ed3 trong khi \u0111ang x\u1eed l\u00fd NaOH.<\/li>\n<li>Test l\u1ea1i pH, Cl t\u1ef1 do tr\u01b0\u1edbc khi cho ng\u01b0\u1eddi b\u01a1i.<\/li>\n<li>B\u1ed3n l\u01b0u kho c\u00e1ch ly v\u1edbi HCl v\u00e0 clo.<\/li>\n<\/ul>\n<\/section>\n<section id=\"thay-the\">\n<h2><span class=\"ez-toc-section\" id=\"4_Co_the_thay_NaOH_48_bang_gi\"><\/span>4. C\u00f3 th\u1ec3 thay NaOH 48% b\u1eb1ng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NaOH 32% v\u00e0 NaOH 50% \u0111\u1ec1u c\u00f3 th\u1ec3 thay th\u1ebf. NaOH 48% l\u00e0 l\u1ef1a ch\u1ecdn c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 an to\u00e0n cho h\u1ed3 b\u01a1i nh\u1ecf. M\u1ed9t s\u1ed1 n\u01a1i d\u00f9ng Na2CO3 (soda ash) thay v\u00ec NaOH \u0111\u1ec3 n\u00e2ng pH ch\u1eadm h\u01a1n, an to\u00e0n h\u01a1n cho h\u1ed3 b\u01a1i gia \u0111\u00ecnh.<\/p>\n<\/section>\n<section id=\"lien-he\">\n<h2><span class=\"ez-toc-section\" id=\"Lien_he_Hoa_Chat_Loc_Thien\"><\/span>Lien he Hoa Chat Loc Thien<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Doi ngu ky thuat <strong>Hoa Chat Loc Thien<\/strong> san sang ho tro doanh nghiep.<\/p>\n<ul>\n<li>Hotline: <a href=\"tel:0979891929\">0979 89 1929<\/a><\/li>\n<li>Email: <a href=\"mailto:locthien@locthien.vn\">locthien@locthien.vn<\/a><\/li>\n<li>Website: <a href=\"https:\/\/hoachatlocthien.com\/\">hoachatlocthien.com\/<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\" class=\"faq\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><strong>V\u00ec sao d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i?<\/strong><br \/>NaOH 48% n\u00e2ng pH nhanh, v\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 l\u00e0m s\u1ea1ch b\u1ec3 hi\u1ec7u qu\u1ea3. N\u1ed3ng \u0111\u1ed9 48% c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u qu\u1ea3 v\u00e0 chi ph\u00ed, kh\u00f4ng c\u1ea7n line heating ph\u1ee9c t\u1ea1p nh\u01b0 NaOH 50%.<\/li>\n<li><strong>Li\u1ec1u NaOH 48% n\u00e2ng pH cho h\u1ed3 50 m\u00b3?<\/strong><br \/>Kho\u1ea3ng 50-100 mL NaOH 48% pha lo\u00e3ng \u0111\u1ec3 n\u00e2ng pH 0,2 \u0111\u01a1n v\u1ecb. C\u1ea7n \u0111o pH tr\u01b0\u1edbc v\u00e0 sau, ch\u00e2m ch\u1eadm v\u00e0 ph\u00e2n t\u00e1n \u0111\u1ec1u b\u1eb1ng qu\u1ea1t n\u01b0\u1edbc.<\/li>\n<li><strong>NaOH 48% c\u00f3 an to\u00e0n cho ng\u01b0\u1eddi b\u01a1i kh\u00f4ng?<\/strong><br \/>Sau khi x\u1eed l\u00fd 4-6 gi\u1edd v\u00e0 test l\u1ea1i pH\/Cl \u0111\u1ea1t chu\u1ea9n, NaOH 48% an to\u00e0n v\u00ec \u0111\u00e3 trung h\u00f2a h\u1ebft. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng cho ng\u01b0\u1eddi v\u00e0o h\u1ed3 khi \u0111ang ch\u00e2m NaOH.<\/li>\n<li><strong>C\u00f3 th\u1ec3 d\u00f9ng NaOH 32% thay NaOH 48% \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><br \/>\u0110\u01b0\u1ee3c. C\u1ea7n \u0111i\u1ec1u ch\u1ec9nh li\u1ec1u d\u00f9ng (NaOH 32% li\u1ec1u cao h\u01a1n ~50% so v\u1edbi NaOH 48% \u0111\u1ec3 c\u00f3 c\u00f9ng t\u00e1c d\u1ee5ng). T\u00ednh theo NaOH nguy\u00ean ch\u1ea5t.<\/li>\n<li><strong>Mua NaOH 48% ch\u00ednh h\u00e3ng t\u1ea1i L\u1ed9c Thi\u00ean c\u00f3 giao t\u1edbi h\u1ed3 b\u01a1i gia \u0111\u00ecnh kh\u00f4ng?<\/strong><br \/>C\u00f3. L\u1ed9c Thi\u00ean cung c\u1ea5p NaOH 48% can 30L cho h\u1ed3 b\u01a1i gia \u0111\u00ecnh t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai.<\/li>\n<\/ol>\n<\/section>\n<\/article>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Organization\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/#org\",\n      \"name\": \"Hoa Chat Loc Thien\",\n      \"url\": \"https:\/\/hoachatlocthien.com\/\",\n      \"logo\": \"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/02\/logo-locthien.png\",\n      \"telephone\": \"+84979891929\",\n      \"email\": \"locthien@locthien.vn\"\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/#breadcrumb\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"name\": \"Trang chu\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"name\": \"H\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/kien-thuc-hoa-chat\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"C\u00f4ng D\u1ee5ng C\u1ee7a X\u00fat NaOH 48% Trong V\u1ec7 Sinh H\u1ed3 B\u01a1i Hi\u1ec7n Nay\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"Article\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/#article\",\n      \"headline\": \"C\u00f4ng D\u1ee5ng C\u1ee7a X\u00fat NaOH 48% Trong V\u1ec7 Sinh H\u1ed3 B\u01a1i Hi\u1ec7n Nay\",\n      \"description\": \"X\u00fat NaOH 48% d\u00f9ng trong v\u1ec7 sinh h\u1ed3 b\u01a1i \u0111\u1ec3 n\u00e2ng pH, l\u00e0m s\u1ea1ch b\u1ec3, v\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng. H\u01b0\u1edbng d\u1eabn li\u1ec1u d\u00f9ng v\u00e0 l\u01b0u \u00fd an to\u00e0n khi d\u00f9ng NaOH cho h\u1ed3 b\u01a1i.\",\n      \"image\": \"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/Xut-vay-la-gi-png.webp\",\n      \"datePublished\": \"2026-05-06T08:00:00+07:00\",\n      \"dateModified\": \"2026-05-06T08:00:00+07:00\",\n      \"author\": {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/#org\",\n        \"name\": \"Hoa Chat Loc Thien\"\n      },\n      \"publisher\": {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/#org\"\n      },\n      \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/\"\n      },\n      \"articleSection\": [\n        \"H\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc\",\n        \"NaOH\"\n      ],\n      \"keywords\": [\n        \"NaOH 48% h\u1ed3 b\u01a1i\",\n        \"x\u00fat h\u1ed3 b\u01a1i\",\n        \"v\u1ec7 sinh h\u1ed3 b\u01a1i NaOH\",\n        \"n\u00e2ng pH h\u1ed3 b\u01a1i\",\n        \"NaOH 48%\"\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/cong-dung-cua-xut-naoh-48-trong-ve-sinh-ho-boi\/#faq-schema\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"V\u00ec sao d\u00f9ng NaOH 48% cho h\u1ed3 b\u01a1i?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"NaOH 48% n\u00e2ng pH nhanh, v\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 l\u00e0m s\u1ea1ch b\u1ec3 hi\u1ec7u qu\u1ea3. N\u1ed3ng \u0111\u1ed9 48% c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u qu\u1ea3 v\u00e0 chi ph\u00ed, kh\u00f4ng c\u1ea7n line heating ph\u1ee9c t\u1ea1p nh\u01b0 NaOH 50%.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Li\u1ec1u NaOH 48% n\u00e2ng pH cho h\u1ed3 50 m\u00b3?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Kho\u1ea3ng 50-100 mL NaOH 48% pha lo\u00e3ng \u0111\u1ec3 n\u00e2ng pH 0,2 \u0111\u01a1n v\u1ecb. C\u1ea7n \u0111o pH tr\u01b0\u1edbc v\u00e0 sau, ch\u00e2m ch\u1eadm v\u00e0 ph\u00e2n t\u00e1n \u0111\u1ec1u b\u1eb1ng qu\u1ea1t n\u01b0\u1edbc.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"NaOH 48% c\u00f3 an to\u00e0n cho ng\u01b0\u1eddi b\u01a1i kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Sau khi x\u1eed l\u00fd 4-6 gi\u1edd v\u00e0 test l\u1ea1i pH\/Cl \u0111\u1ea1t chu\u1ea9n, NaOH 48% an to\u00e0n v\u00ec \u0111\u00e3 trung h\u00f2a h\u1ebft. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng cho ng\u01b0\u1eddi v\u00e0o h\u1ed3 khi \u0111ang ch\u00e2m NaOH.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"C\u00f3 th\u1ec3 d\u00f9ng NaOH 32% thay NaOH 48% \u0111\u01b0\u1ee3c kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"\u0110\u01b0\u1ee3c. C\u1ea7n \u0111i\u1ec1u ch\u1ec9nh li\u1ec1u d\u00f9ng (NaOH 32% li\u1ec1u cao h\u01a1n ~50% so v\u1edbi NaOH 48% \u0111\u1ec3 c\u00f3 c\u00f9ng t\u00e1c d\u1ee5ng). T\u00ednh theo NaOH nguy\u00ean ch\u1ea5t.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Mua NaOH 48% ch\u00ednh h\u00e3ng t\u1ea1i L\u1ed9c Thi\u00ean c\u00f3 giao t\u1edbi h\u1ed3 b\u01a1i gia \u0111\u00ecnh kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3. L\u1ed9c Thi\u00ean cung c\u1ea5p NaOH 48% can 30L cho h\u1ed3 b\u01a1i gia \u0111\u00ecnh t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>X\u00fat NaOH 48% d\u00f9ng trong v\u1ec7 sinh h\u1ed3 b\u01a1i \u0111\u1ec3 n\u00e2ng pH, l\u00e0m s\u1ea1ch b\u1ec3, v\u1ec7 sinh \u0111\u01b0\u1eddng \u1ed1ng. H\u01b0\u1edbng d\u1eabn li\u1ec1u d\u00f9ng v\u00e0 l\u01b0u \u00fd an to\u00e0n khi d\u00f9ng NaOH cho h\u1ed3 b\u01a1i.<\/p>","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1234],"tags":[1394,453,1391,1393,1392],"class_list":["post-9047","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-xu-ly-nuoc","tag-nang-ph-ho-boi","tag-naoh-48","tag-naoh-48-ho-boi","tag-ve-sinh-ho-boi-naoh","tag-xut-ho-boi"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=9047"}],"version-history":[{"count":0,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9047\/revisions"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=9047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=9047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=9047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}