{"id":9050,"date":"2026-05-06T08:00:00","date_gmt":"2026-05-06T08:00:00","guid":{"rendered":"https:\/\/hoachatlocthien.com\/ung-dung-axit-hno3-ra-sao\/"},"modified":"2026-05-06T08:00:00","modified_gmt":"2026-05-06T08:00:00","slug":"ung-dung-axit-hno3-ra-sao-2","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/ung-dung-axit-hno3-ra-sao-2","title":{"rendered":"\u1ee8ng D\u1ee5ng Axit HNO3 Ra Sao Trong C\u00f4ng Nghi\u1ec7p Hi\u1ec7n Nay?"},"content":{"rendered":"<article>\n<header class=\"hero\">\n<div class=\"kicker\">Axit HNO3<\/div>\n<h1>\u1ee8ng D\u1ee5ng Axit HNO3 Ra Sao Trong C\u00f4ng Nghi\u1ec7p 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>Axit HNO3 (axit nitric)<\/strong> l\u00e0 axit v\u00f4 c\u01a1 m\u1ea1nh, c\u00f3 t\u00ednh oxy h\u00f3a cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n, thu\u1ed1c n\u1ed5, kim lo\u1ea1i qu\u00fd, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 x\u1eed l\u00fd kim lo\u1ea1i.<\/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\/03\/Axit-manh-nhat-png.webp\" alt=\"Axit manh nhat\" 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\">Axit manh nhat<\/figcaption><\/figure>\n<div class=\"tag-list\"><span>axit HNO3<\/span><span>axit nitric<\/span><span>\u1ee9ng d\u1ee5ng HNO3<\/span><span>HNO3 c\u00f4ng nghi\u1ec7p<\/span><span>HNO3 65%<\/span><\/div>\n<section id=\"tinh-chat\">\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\/ung-dung-axit-hno3-ra-sao-2\/#1_Tinh_chat_HNO3\" title=\"1. T\u00ednh ch\u1ea5t HNO3\">1. T\u00ednh ch\u1ea5t HNO3<\/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\/ung-dung-axit-hno3-ra-sao-2\/#2_Ung_dung_axit_HNO3_trong_cong_nghiep\" title=\"2. \u1ee8ng d\u1ee5ng axit HNO3 trong c\u00f4ng nghi\u1ec7p\">2. \u1ee8ng d\u1ee5ng axit HNO3 trong c\u00f4ng nghi\u1ec7p<\/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\/ung-dung-axit-hno3-ra-sao-2\/#21_San_xuat_phan_bon\" title=\"2.1. S\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n\">2.1. S\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/en\/ung-dung-axit-hno3-ra-sao-2\/#22_San_xuat_thuoc_no\" title=\"2.2. S\u1ea3n xu\u1ea5t thu\u1ed1c n\u1ed5\">2.2. S\u1ea3n xu\u1ea5t thu\u1ed1c n\u1ed5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/en\/ung-dung-axit-hno3-ra-sao-2\/#23_Tinh_luyen_kim_loai_quy\" title=\"2.3. Tinh luy\u1ec7n kim lo\u1ea1i qu\u00fd\">2.3. Tinh luy\u1ec7n kim lo\u1ea1i qu\u00fd<\/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\/ung-dung-axit-hno3-ra-sao-2\/#24_Xu_ly_be_mat_kim_loai\" title=\"2.4. X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i\">2.4. X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i<\/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\/ung-dung-axit-hno3-ra-sao-2\/#25_San_xuat_duoc_nhuom\" title=\"2.5. S\u1ea3n xu\u1ea5t d\u01b0\u1ee3c &#038; nhu\u1ed9m\">2.5. S\u1ea3n xu\u1ea5t d\u01b0\u1ee3c &#038; nhu\u1ed9m<\/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\/ung-dung-axit-hno3-ra-sao-2\/#26_Ve_sinh_CIP_nha_may_thuc_pham\" title=\"2.6. V\u1ec7 sinh CIP nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m\">2.6. V\u1ec7 sinh CIP nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m<\/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\/ung-dung-axit-hno3-ra-sao-2\/#3_Luu_y_an_toan_khi_su_dung_HNO3\" title=\"3. L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng HNO3\">3. L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng HNO3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/en\/ung-dung-axit-hno3-ra-sao-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-11\" href=\"https:\/\/hoachatlocthien.com\/en\/ung-dung-axit-hno3-ra-sao-2\/#FAQ\" title=\"FAQ\">FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Tinh_chat_HNO3\"><\/span>1. T\u00ednh ch\u1ea5t HNO3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Tr\u1ea1ng th\u00e1i: l\u1ecfng kh\u00f4ng m\u00e0u\/v\u00e0ng nh\u1ea1t (\u0111\u1eadm \u0111\u1eb7c).<\/li>\n<li>N\u1ed3ng \u0111\u1ed9 th\u01b0\u01a1ng m\u1ea1i: 65-68% (dilute), 95-99% (fuming).<\/li>\n<li>T\u00ednh oxy h\u00f3a r\u1ea5t m\u1ea1nh, nh\u1ea5t l\u00e0 khi \u0111\u1eb7c.<\/li>\n<li>T\u1ec9 tr\u1ecdng ~ 1,40 g\/mL \u1edf 65%.<\/li>\n<li>B\u1ed1c kh\u00f3i n\u00e2u (NO2) khi \u0111\u1eb7c ti\u1ebfp x\u00fac kh\u00f4ng kh\u00ed \u1ea9m.<\/li>\n<\/ul>\n<\/section>\n<section id=\"ung-dung\">\n<h2><span class=\"ez-toc-section\" id=\"2_Ung_dung_axit_HNO3_trong_cong_nghiep\"><\/span>2. \u1ee8ng d\u1ee5ng axit HNO3 trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_San_xuat_phan_bon\"><\/span>2.1. S\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HNO3 + NH3 \u2192 NH4NO3 (\u0111\u1ea1m ur\u00ea d\u1ea1ng amoni nitrat). \u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ti\u00eau th\u1ee5 HNO3 l\u1edbn nh\u1ea5t, ~75% s\u1ea3n l\u01b0\u1ee3ng to\u00e0n c\u1ea7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_San_xuat_thuoc_no\"><\/span>2.2. S\u1ea3n xu\u1ea5t thu\u1ed1c n\u1ed5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HNO3 \u0111\u1eb7c + glycerol \u2192 nitroglycerin; + cellulose \u2192 nitrocellulose; + toluen \u2192 TNT. L\u00e0 ti\u1ec1n ch\u1ea5t cho h\u1ea7u h\u1ebft thu\u1ed1c n\u1ed5 c\u00f4ng nghi\u1ec7p v\u00e0 qu\u00e2n s\u1ef1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_Tinh_luyen_kim_loai_quy\"><\/span>2.3. Tinh luy\u1ec7n kim lo\u1ea1i qu\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HNO3 h\u00f2a tan b\u1ea1c, \u0111\u1ed3ng (kh\u00f4ng h\u00f2a tan v\u00e0ng, b\u1ea1ch kim). Cho ph\u00e9p t\u00e1ch b\u1ea1c kh\u1ecfi qu\u1eb7ng v\u00e0 tinh luy\u1ec7n v\u00e0ng (k\u1ebft h\u1ee3p v\u1edbi HCl th\u00e0nh n\u01b0\u1edbc c\u01b0\u1eddng toan).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"24_Xu_ly_be_mat_kim_loai\"><\/span>2.4. X\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pickling th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi HNO3 + HF, anodizing nh\u00f4m, t\u1ea9y \u0111\u1ed3ng, l\u00e0m s\u00e1ng kim lo\u1ea1i trang s\u1ee9c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"25_San_xuat_duoc_nhuom\"><\/span>2.5. S\u1ea3n xu\u1ea5t d\u01b0\u1ee3c &#038; nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ti\u1ec1n ch\u1ea5t t\u1ed5ng h\u1ee3p aspirin, nitrofurazone, m\u1ed9t s\u1ed1 thu\u1ed1c nhu\u1ed9m azo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"26_Ve_sinh_CIP_nha_may_thuc_pham\"><\/span>2.6. V\u1ec7 sinh CIP nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HNO3 1-2% k\u1ebft h\u1ee3p v\u1edbi NaOH trong chu tr\u00ecnh CIP \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n calcium v\u00e0 protein.<\/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\/03\/axit-axetic-10.webp\" alt=\"axit-axetic-10\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/500;\"><figcaption class=\"meta\">axit-axetic-10<\/figcaption><\/figure>\n<section id=\"luu-y\">\n<h2><span class=\"ez-toc-section\" id=\"3_Luu_y_an_toan_khi_su_dung_HNO3\"><\/span>3. L\u01b0u \u00fd an to\u00e0n khi s\u1eed d\u1ee5ng HNO3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Ph\u1ea3n \u1ee9ng c\u1ef1c m\u1ea1nh v\u1edbi ch\u1ea5t h\u1eefu c\u01a1, kim lo\u1ea1i \u2013 nguy c\u01a1 ch\u00e1y n\u1ed5.<\/li>\n<li>B\u1ed1c kh\u00f3i n\u00e2u NO2 c\u1ef1c \u0111\u1ed9c \u2013 ch\u1ec9 d\u00f9ng trong khu th\u00f4ng gi\u00f3 m\u1ea1nh.<\/li>\n<li>B\u1ed3n ch\u1ee9a: th\u00e9p kh\u00f4ng g\u1ec9 304\/316L, PE\/HDPE.<\/li>\n<li>PPE: k\u00ednh k\u00edn, m\u1eb7t n\u1ea1 ph\u00f2ng NO2, g\u0103ng butyl, \u1ee7ng.<\/li>\n<li>C\u00e1ch ly v\u1edbi NaOH, kim lo\u1ea1i ki\u1ec1m, ch\u1ea5t h\u1eefu c\u01a1.<\/li>\n<\/ul>\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>Axit HNO3 d\u00f9ng nhi\u1ec1u nh\u1ea5t \u1edf ng\u00e0nh n\u00e0o?<\/strong><br \/>~75% s\u1ea3n l\u01b0\u1ee3ng HNO3 to\u00e0n c\u1ea7u ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n amoni nitrat (NH4NO3). Ph\u1ea7n c\u00f2n l\u1ea1i d\u00f9ng cho thu\u1ed1c n\u1ed5, tinh luy\u1ec7n kim lo\u1ea1i qu\u00fd, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 d\u01b0\u1ee3c.<\/li>\n<li><strong>HNO3 c\u00f3 nguy hi\u1ec3m h\u01a1n HCl kh\u00f4ng?<\/strong><br \/>C\u00f3. HNO3 c\u00f3 th\u00eam t\u00ednh oxy h\u00f3a m\u1ea1nh, d\u1ec5 ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t h\u1eefu c\u01a1 g\u00e2y ch\u00e1y n\u1ed5. Kh\u00f3i n\u00e2u NO2 c\u0169ng \u0111\u1ed9c h\u01a1n h\u01a1i HCl. V\u1eadn h\u00e0nh HNO3 \u0111\u00f2i h\u1ecfi an to\u00e0n nghi\u00eam ng\u1eb7t h\u01a1n.<\/li>\n<li><strong>V\u1eadt li\u1ec7u n\u00e0o ch\u1ee9a \u0111\u01b0\u1ee3c HNO3 \u0111\u1eb7c?<\/strong><br \/>Th\u00e9p kh\u00f4ng g\u1ec9 304\/316L (passivation), PTFE, PVDF. Tr\u00e1nh th\u00e9p cacbon, \u0111\u1ed3ng, k\u1ebdm, nh\u00f4m, polymer th\u00f4ng th\u01b0\u1eddng.<\/li>\n<li><strong>HNO3 65% v\u00e0 HNO3 fuming kh\u00e1c nhau g\u00ec?<\/strong><br \/>HNO3 65-68% l\u00e0 dilute, d\u00f9ng ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p. HNO3 fuming 95-99% c\u00f3 th\u00eam NO2 h\u00f2a tan, oxy h\u00f3a m\u1ea1nh h\u01a1n, d\u00f9ng cho t\u1ed5ng h\u1ee3p \u0111\u1eb7c bi\u1ec7t v\u00e0 qu\u00e2n s\u1ef1.<\/li>\n<li><strong>L\u1ed9c Thi\u00ean c\u00f3 cung c\u1ea5p HNO3 65% kh\u00f4ng?<\/strong><br \/>C\u00f3. H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p HNO3 65% v\u1edbi COA, MSDS \u0111\u1ea7y \u0111\u1ee7, \u0111\u00f3ng can\/IBC theo y\u00eau c\u1ea7u, k\u00e8m t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u1ec1 v\u1eadt li\u1ec7u kho ch\u1ee9a v\u00e0 quy tr\u00ecnh an to\u00e0n.<\/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\/ung-dung-axit-hno3-ra-sao\/#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 c\u00f4ng nghi\u1ec7p\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/kien-thuc-hoa-chat\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"\u1ee8ng D\u1ee5ng Axit HNO3 Ra Sao Trong C\u00f4ng Nghi\u1ec7p Hi\u1ec7n Nay?\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/ung-dung-axit-hno3-ra-sao\/\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"Article\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/ung-dung-axit-hno3-ra-sao\/#article\",\n      \"headline\": \"\u1ee8ng D\u1ee5ng Axit HNO3 Ra Sao Trong C\u00f4ng Nghi\u1ec7p Hi\u1ec7n Nay?\",\n      \"description\": \"\u1ee8ng d\u1ee5ng axit HNO3 (axit nitric) trong s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n, thu\u1ed1c n\u1ed5, kim lo\u1ea1i qu\u00fd, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 x\u1eed l\u00fd kim lo\u1ea1i. Ph\u00e2n t\u00edch vai tr\u00f2 v\u00e0 l\u01b0u \u00fd an to\u00e0n khi d\u00f9ng HNO3.\",\n      \"image\": \"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/03\/Axit-manh-nhat-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\/ung-dung-axit-hno3-ra-sao\/\"\n      },\n      \"articleSection\": [\n        \"H\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p\",\n        \"Axit\"\n      ],\n      \"keywords\": [\n        \"axit HNO3\",\n        \"axit nitric\",\n        \"\u1ee9ng d\u1ee5ng HNO3\",\n        \"HNO3 c\u00f4ng nghi\u1ec7p\",\n        \"HNO3 65%\"\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/ung-dung-axit-hno3-ra-sao\/#faq-schema\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Axit HNO3 d\u00f9ng nhi\u1ec1u nh\u1ea5t \u1edf ng\u00e0nh n\u00e0o?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"~75% s\u1ea3n l\u01b0\u1ee3ng HNO3 to\u00e0n c\u1ea7u ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n amoni nitrat (NH4NO3). Ph\u1ea7n c\u00f2n l\u1ea1i d\u00f9ng cho thu\u1ed1c n\u1ed5, tinh luy\u1ec7n kim lo\u1ea1i qu\u00fd, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 d\u01b0\u1ee3c.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"HNO3 c\u00f3 nguy hi\u1ec3m h\u01a1n HCl kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3. HNO3 c\u00f3 th\u00eam t\u00ednh oxy h\u00f3a m\u1ea1nh, d\u1ec5 ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t h\u1eefu c\u01a1 g\u00e2y ch\u00e1y n\u1ed5. Kh\u00f3i n\u00e2u NO2 c\u0169ng \u0111\u1ed9c h\u01a1n h\u01a1i HCl. V\u1eadn h\u00e0nh HNO3 \u0111\u00f2i h\u1ecfi an to\u00e0n nghi\u00eam ng\u1eb7t h\u01a1n.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"V\u1eadt li\u1ec7u n\u00e0o ch\u1ee9a \u0111\u01b0\u1ee3c HNO3 \u0111\u1eb7c?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Th\u00e9p kh\u00f4ng g\u1ec9 304\/316L (passivation), PTFE, PVDF. Tr\u00e1nh th\u00e9p cacbon, \u0111\u1ed3ng, k\u1ebdm, nh\u00f4m, polymer th\u00f4ng th\u01b0\u1eddng.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"HNO3 65% v\u00e0 HNO3 fuming kh\u00e1c nhau g\u00ec?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"HNO3 65-68% l\u00e0 dilute, d\u00f9ng ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p. HNO3 fuming 95-99% c\u00f3 th\u00eam NO2 h\u00f2a tan, oxy h\u00f3a m\u1ea1nh h\u01a1n, d\u00f9ng cho t\u1ed5ng h\u1ee3p \u0111\u1eb7c bi\u1ec7t v\u00e0 qu\u00e2n s\u1ef1.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"L\u1ed9c Thi\u00ean c\u00f3 cung c\u1ea5p HNO3 65% kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3. 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Ph\u00e2n t\u00edch vai tr\u00f2 v\u00e0 l\u01b0u \u00fd an to\u00e0n khi d\u00f9ng HNO3.<\/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":[1233],"tags":[318,316,1406,1405,319],"class_list":["post-9050","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-cong-nghiep","tag-axit-hno3","tag-axit-nitric","tag-hno3-65","tag-hno3-cong-nghiep","tag-ung-dung-hno3"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9050","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=9050"}],"version-history":[{"count":0,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9050\/revisions"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=9050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=9050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=9050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}