{"id":2468,"date":"2026-08-20T00:35:01","date_gmt":"2026-08-19T17:35:01","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/"},"modified":"2026-08-20T00:35:01","modified_gmt":"2026-08-19T17:35:01","slug":"canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/","title":{"rendered":"C\u1ea3nh b\u00e1o: danh s\u00e1ch h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng cho b\u1ec1 m\u1eb7t inox"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2468&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;C\u1ea3nh b\u00e1o: danh s\u00e1ch h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng cho b\u1ec1 m\u1eb7t inox&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div 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class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">Table of Contents<\/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: #999;color:#999\" 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: #999;color:#999\" 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 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Tai_sao_co_%E2%80%9Cdanh_sach_cam%E2%80%9D_cho_inox\" >T\u1ea1i sao c\u00f3 \u201cdanh s\u00e1ch c\u1ea5m\u201d cho inox?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Danh_sach_hoa_chat_tuyet_doi_khong_dung_tren_be_mat_inox\" >Danh s\u00e1ch h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng tr\u00ean b\u1ec1 m\u1eb7t inox<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#1_Nhom_clohalogen_oxy_hoa_Javen_chlorine_%E2%80%9Cchlorine_sanitizer%E2%80%9D\" >1) Nh\u00f3m clo\/halogen oxy h\u00f3a: Javen, chlorine, \u201cchlorine sanitizer\u201d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#2_Axit_clohydric_HCl_va_che_pham_%E2%80%9Ctay_bon_cautay_xi_mang%E2%80%9D\" >2) Axit clohydric (HCl) v\u00e0 ch\u1ebf ph\u1ea9m \u201ct\u1ea9y b\u1ed3n c\u1ea7u\/t\u1ea9y xi m\u0103ng\u201d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#3_Axit_flohydric_HF_va_muoi_bifluoride_NH4HF2\" >3) Axit flohydric (HF) v\u00e0 mu\u1ed1i bifluoride (NH4HF2)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#4_Muoi_kim_loai_oxy_hoa_manh_FeCl3_CuCl2_dung_dich_an_monetch\" >4) Mu\u1ed1i kim lo\u1ea1i oxy h\u00f3a m\u1ea1nh: FeCl3, CuCl2 (dung d\u1ecbch \u0103n m\u00f2n\/etch)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#5_Dung_moi_clo_hoa_va_chat_tay_son_chua_chlorinated_solvents\" >5) Dung m\u00f4i clo h\u00f3a v\u00e0 ch\u1ea5t t\u1ea9y s\u01a1n ch\u1ee9a chlorinated solvents<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#6_Kiem_manh_dam_dac_o_nhiet_do_cao_NaOHKOH_dac_biet_dang_tay_lo\" >6) Ki\u1ec1m m\u1ea1nh \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao: NaOH\/KOH (\u0111\u1eb7c bi\u1ec7t d\u1ea1ng t\u1ea9y l\u00f2)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#7_%E2%80%9CTay_gi_nhanh%E2%80%9D_bot_mai_chua_hat_sat_len_thep\" >7) \u201cT\u1ea9y g\u1ec9 nhanh\u201d, b\u1ed9t m\u00e0i ch\u1ee9a h\u1ea1t s\u1eaft, len th\u00e9p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#8_Tuyet_doi_khong_tron_Javen_voi_axit_hoac_amoniac\" >8) Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng tr\u1ed9n: Javen v\u1edbi axit ho\u1eb7c amoniac<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Luu_y_theo_mac_inox_304316201430_va_hon\" >L\u01b0u \u00fd theo m\u00e1c inox (304\/316\/201\/430 v\u00e0 h\u01a1n)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Dau_hieu_be_mat_inox_da_bi_hoa_chat_lam_hai\" >D\u1ea5u hi\u1ec7u b\u1ec1 m\u1eb7t inox \u0111\u00e3 b\u1ecb h\u00f3a ch\u1ea5t l\u00e0m h\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Lo_dung_nham_quy_trinh_xu_ly_khan_cap\" >L\u1ee1 d\u00f9ng nh\u1ea7m: quy tr\u00ecnh x\u1eed l\u00fd kh\u1ea9n c\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Giai_phap_thay_the_an_toan_duoc_khuyen_nghi\" >Gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n, \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Cach_doc_nhan_de_%E2%80%9Cne%E2%80%9D_hoa_chat_cam\" >C\u00e1ch \u0111\u1ecdc nh\u00e3n \u0111\u1ec3 \u201cn\u00e9\u201d h\u00f3a ch\u1ea5t c\u1ea5m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Tai_lieu_tham_khao\" >T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/canh-bao-danh-sach-hoa-chat-tuyet-doi-khong-dung-cho-be-mat-inox\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-tai-sao-co-danh-sach-cam-cho-inox\">T\u1ea1i sao c\u00f3 \u201cdanh s\u00e1ch c\u1ea5m\u201d cho inox?<\/a><\/li>\n<li><a href=\"#toc-1-danh-sach-hoa-chat-tuyet-doi-khong-dung-tren-be-ma\">Danh s\u00e1ch h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng tr\u00ean b\u1ec1 m\u1eb7t inox<\/a><\/li>\n<li><a href=\"#toc-2-luu-y-theo-mac-inox-304316201430-va-hon\">L\u01b0u \u00fd theo m\u00e1c inox (304\/316\/201\/430 v\u00e0 h\u01a1n)<\/a><\/li>\n<li><a href=\"#toc-3-dau-hieu-be-mat-inox-da-bi-hoa-chat-lam-hai\">D\u1ea5u hi\u1ec7u b\u1ec1 m\u1eb7t inox \u0111\u00e3 b\u1ecb h\u00f3a ch\u1ea5t l\u00e0m h\u1ea1i<\/a><\/li>\n<li><a href=\"#toc-4-lo-dung-nham-quy-trinh-xu-ly-khan-cap\">L\u1ee1 d\u00f9ng nh\u1ea7m: quy tr\u00ecnh x\u1eed l\u00fd kh\u1ea9n c\u1ea5p<\/a><\/li>\n<li><a href=\"#toc-5-giai-phap-thay-the-an-toan-duoc-khuyen-nghi\">Gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n, \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-6-cach-doc-nhan-de-ne-hoa-chat-cam\">C\u00e1ch \u0111\u1ecdc nh\u00e3n \u0111\u1ec3 \u201cn\u00e9\u201d h\u00f3a ch\u1ea5t c\u1ea5m<\/a><\/li>\n<li><a href=\"#toc-7-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-8-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>C\u00e1c s\u1ea3n ph\u1ea9m inox b\u1ec1n v\u00e0 s\u1ea1ch nh\u1edd l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3, nh\u01b0ng m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y l\u1edbp n\u00e0y, g\u00e2y r\u1ed7 pitting, \u1ed1 v\u00e0ng v\u00e0 th\u1eadm ch\u00ed h\u01b0 h\u1ecfng k\u1ebft c\u1ea5u. B\u00e0i vi\u1ebft n\u00e0y li\u1ec7t k\u00ea chi ti\u1ebft c\u00e1c h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng tr\u00ean b\u1ec1 m\u1eb7t inox, gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf g\u00e2y h\u1ea1i, d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft, c\u00e1ch x\u1eed l\u00fd khi l\u1ee1 s\u1eed d\u1ee5ng v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n. \u0110\u00e2y l\u00e0 ph\u1ea7n tr\u1ecdng y\u1ebfu trong th\u1ef1c h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng \u2013 v\u1ec7 sinh inox \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<h2 id=\"toc-0-tai-sao-co-danh-sach-cam-cho-inox\"><span class=\"ez-toc-section\" id=\"Tai_sao_co_%E2%80%9Cdanh_sach_cam%E2%80%9D_cho_inox\"><\/span>T\u1ea1i sao c\u00f3 \u201cdanh s\u00e1ch c\u1ea5m\u201d cho inox?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; L\u1edbp th\u1ee5 \u0111\u1ed9ng: Inox t\u1ea1o l\u1edbp oxit crom m\u1ecfng (Cr2O3) t\u1ef1 ph\u1ee5c h\u1ed3i. H\u00f3a ch\u1ea5t c\u00f3 ion halogen (\u0111\u1eb7c bi\u1ec7t clorua) ho\u1eb7c t\u00e1c nh\u00e2n kh\u1eed\/oxy h\u00f3a m\u1ea1nh c\u00f3 th\u1ec3 xuy\u00ean th\u1ee7ng l\u1edbp n\u00e0y.<br \/>\n&#8211; \u0102n m\u00f2n r\u1ed7 v\u00e0 k\u1ebd h\u1edf: Clorua + \u1ea9m + nhi\u1ec7t g\u00e2y pitting\/crevice nhanh, kh\u00f3 d\u1eebng n\u1ebfu kh\u00f4ng r\u1eeda s\u1ea1ch ho\u00e0n to\u00e0n.<br \/>\n&#8211; \u1ea2nh h\u01b0\u1edfng m\u00e1c th\u00e9p: 316 ch\u1ed1ng clorua t\u1ed1t h\u01a1n 304\/201\/430, nh\u01b0ng v\u1eabn b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi HCl, NaClO, HF, FeCl3 \u1edf \u0111i\u1ec1u ki\u1ec7n th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h2 id=\"toc-1-danh-sach-hoa-chat-tuyet-doi-khong-dung-tren-be-ma\"><span class=\"ez-toc-section\" id=\"Danh_sach_hoa_chat_tuyet_doi_khong_dung_tren_be_mat_inox\"><\/span>Danh s\u00e1ch h\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng tr\u00ean b\u1ec1 m\u1eb7t inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Nhom_clohalogen_oxy_hoa_Javen_chlorine_%E2%80%9Cchlorine_sanitizer%E2%80%9D\"><\/span>1) Nh\u00f3m clo\/halogen oxy h\u00f3a: Javen, chlorine, \u201cchlorine sanitizer\u201d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: Natri hypochlorite (NaClO \u2013 Javen\/thu\u1ed1c t\u1ea9y), canxi hypochlorite, clo kh\u00ed (Cl2), TCCA\/DCCA (vi\u00ean kh\u1eed tr\u00f9ng h\u1ed3 b\u01a1i), n\u01b0\u1edbc r\u1eeda c\u00f3 \u201cchlorine active\u201d.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: Ion clorua v\u00e0 t\u00e1c nh\u00e2n oxy h\u00f3a ph\u00e1 m\u00e0ng th\u1ee5 \u0111\u1ed9ng, g\u00e2y r\u1ed7 nhanh, \u0111\u1eb7c bi\u1ec7t khi \u0111\u1ecdng gi\u1ecdt, khe h\u1edf, ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 >30\u00b0C.<br \/>\n&#8211; V\u00ed d\u1ee5 th\u1ef1c t\u1ebf: Lau b\u1ed3n inox b\u1eb1ng Javen \u0111\u1ec3 qua \u0111\u00eam th\u01b0\u1eddng \u0111\u1ec3 l\u1ea1i l\u1ea5m t\u1ea5m r\u1ed7 v\u00e0 \u1ed1 n\u00e2u kh\u00f3 ph\u1ee5c h\u1ed3i.<br \/>\n&#8211; T\u00e0i li\u1ec7u: Nickel Institute, BSSA, ASSDA \u0111\u1ec1u khuy\u1ebfn c\u00e1o kh\u00f4ng d\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a chlorine tr\u00ean inox d\u00f9ng th\u1ef1c ph\u1ea9m v\u00e0 ki\u1ebfn tr\u00fac.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Axit_clohydric_HCl_va_che_pham_%E2%80%9Ctay_bon_cautay_xi_mang%E2%80%9D\"><\/span>2) Axit clohydric (HCl) v\u00e0 ch\u1ebf ph\u1ea9m \u201ct\u1ea9y b\u1ed3n c\u1ea7u\/t\u1ea9y xi m\u0103ng\u201d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: HCl (muriatic acid), c\u00e1c ch\u1ea5t t\u1ea9y b\u1ed3n c\u1ea7u\/\u0111\u00e1\/g\u1ea1ch\/xi m\u0103ng\/h\u00f2a tan c\u1eb7n v\u1eefa ghi \u201cHCl\/acid clohydric\u201d.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: HCl t\u1ea5n c\u00f4ng tr\u1ef1c ti\u1ebfp inox; ch\u1ec9 c\u1ea7n h\u01a1i HCl g\u1ea7n khu v\u1ef1c h\u00e0n c\u0169ng g\u00e2y g\u1ec9 loang.<br \/>\n&#8211; Nh\u1eadn di\u1ec7n: Nh\u00e3n \u201cmuriatic acid\u201d, \u201ct\u1ea9y c\u1eb7n xi m\u0103ng HCl\u201d, \u201ctoilet descaler HCl\u201d.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Axit_flohydric_HF_va_muoi_bifluoride_NH4HF2\"><\/span>3) Axit flohydric (HF) v\u00e0 mu\u1ed1i bifluoride (NH4HF2)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: HF tinh khi\u1ebft; ammonium bifluoride trong m\u1ed9t s\u1ed1 ch\u1ea5t t\u1ea9y b\u00e1nh xe, t\u1ea9y xi m\u0103ng\/\u0111\u00e1, \u201cwheel cleaner\u201d, \u201cconcrete\/masonry cleaner\u201d.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: HF h\u00f2a tan oxit crom v\u00e0 nhi\u1ec1u oxit kim lo\u1ea1i \u2013 ph\u00e1 h\u1ee7y nhanh b\u1ec1 m\u1eb7t inox. \u0110\u1ed3ng th\u1eddi c\u1ef1c k\u1ef3 \u0111\u1ed9c h\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng.<br \/>\n&#8211; Ghi nh\u1edb: HF\/NH4HF2 l\u00e0 \u201cc\u1ea5m tuy\u1ec7t \u0111\u1ed1i\u201d cho m\u1ecdi \u1ee9ng d\u1ee5ng v\u1ec7 sinh inox.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Muoi_kim_loai_oxy_hoa_manh_FeCl3_CuCl2_dung_dich_an_monetch\"><\/span>4) Mu\u1ed1i kim lo\u1ea1i oxy h\u00f3a m\u1ea1nh: FeCl3, CuCl2 (dung d\u1ecbch \u0103n m\u00f2n\/etch)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: S\u1eaft(III) clorua, \u0111\u1ed3ng(II) clorua d\u00f9ng \u0103n m\u00f2n PCB, kh\u1eafc axit trang tr\u00ed.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: T\u1ea1o c\u1eb7p oxy h\u00f3a m\u1ea1nh v\u00e0 cung c\u1ea5p clorua, g\u00e2y \u0103n m\u00f2n c\u1ee5c b\u1ed9 r\u1ea5t nhanh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Dung_moi_clo_hoa_va_chat_tay_son_chua_chlorinated_solvents\"><\/span>5) Dung m\u00f4i clo h\u00f3a v\u00e0 ch\u1ea5t t\u1ea9y s\u01a1n ch\u1ee9a chlorinated solvents<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: Dichloromethane (methylene chloride), trichloroethylene, perchloroethylene, 1,1,1\u2011trichloroethane.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: \u1ede nhi\u1ec7t\/\u1ea9m, ch\u00fang ph\u00e2n h\u1ee7y t\u1ea1o HCl, \u0111\u1ec3 l\u1ea1i m\u1ea3ng \u1ed1\/r\u1ed7 g\u1ea7n v\u1ecb tr\u00ed gia nhi\u1ec7t (v\u00ed d\u1ee5 c\u1ea1nh m\u1ed1i h\u00e0n), \u0111\u1ed3ng th\u1eddi \u0111\u1ed9c h\u1ea1i.<br \/>\n&#8211; Nh\u1eadn di\u1ec7n: Nh\u00e3n \u201cchlorinated\u201d, \u201cdichloromethane\/DCM\u201d, \u201ctrichloro-\u201d.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Kiem_manh_dam_dac_o_nhiet_do_cao_NaOHKOH_dac_biet_dang_tay_lo\"><\/span>6) Ki\u1ec1m m\u1ea1nh \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao: NaOH\/KOH (\u0111\u1eb7c bi\u1ec7t d\u1ea1ng t\u1ea9y l\u00f2)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u1ed3m: Ch\u1ea5t t\u1ea9y l\u00f2 n\u01b0\u1edbng\/convection oven cleaner ki\u1ec1m m\u1ea1nh, NaOH\/KOH >5\u201310% d\u00f9ng n\u00f3ng.<br \/>\n&#8211; V\u00ec sao h\u1ea1i: Ki\u1ec1m \u0111\u1eadm \u0111\u1eb7c v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y x\u1ec9n, m\u1edd x\u01b0\u1edbc b\u1ec1 m\u1eb7t v\u00e0 n\u1ee9t \u1ee9ng su\u1ea5t trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n; \u0111\u1ec3 l\u00e2u trong k\u1ebd h\u1edf l\u00e0m h\u1ecfng passivation.<br \/>\n&#8211; L\u01b0u \u00fd: D\u00f9 inox ch\u1ecbu ki\u1ec1m lo\u00e3ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, c\u00e1c s\u1ea3n ph\u1ea9m t\u1ea9y l\u00f2 \u0111\u1eadm \u0111\u1eb7c\/n\u00f3ng kh\u00f4ng n\u00ean d\u00f9ng cho v\u1ec7 sinh inox th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_%E2%80%9CTay_gi_nhanh%E2%80%9D_bot_mai_chua_hat_sat_len_thep\"><\/span>7) \u201cT\u1ea9y g\u1ec9 nhanh\u201d, b\u1ed9t m\u00e0i ch\u1ee9a h\u1ea1t s\u1eaft, len th\u00e9p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Kh\u00f4ng ph\u1ea3i h\u00f3a ch\u1ea5t, nh\u01b0ng:<br \/>\n  &#8211; Len th\u00e9p\/h\u1ea1t m\u00e0i carbon steel l\u00e0m nhi\u1ec5m s\u1eaft, sau \u0111\u00f3 g\u1ec9 n\u00e2u loang.<br \/>\n  &#8211; M\u1ed9t s\u1ed1 \u201ct\u1ea9y g\u1ec9 nhanh\u201d ch\u1ee9a clorua ho\u1eb7c axit m\u1ea1nh, g\u00e2y r\u1ed7.<br \/>\n&#8211; Tr\u00e1nh d\u00f9ng m\u1ecdi v\u1eadt li\u1ec7u m\u00e0i ch\u1ee9a s\u1eaft ho\u1eb7c h\u00f3a ch\u1ea5t t\u1ea9y g\u1ec9 kh\u00f4ng r\u00f5 th\u00e0nh ph\u1ea7n tr\u00ean inox.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Tuyet_doi_khong_tron_Javen_voi_axit_hoac_amoniac\"><\/span>8) Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng tr\u1ed9n: Javen v\u1edbi axit ho\u1eb7c amoniac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Tr\u1ed9n Javen v\u1edbi axit t\u1ea1o kh\u00ed clo; v\u1edbi amoniac t\u1ea1o chloramine \u2013 v\u1eeba nguy hi\u1ec3m \u0111\u1ed9c h\u1ea1i, v\u1eeba th\u00fac \u0111\u1ea9y \u0103n m\u00f2n inox.<\/p>\n<h2 id=\"toc-2-luu-y-theo-mac-inox-304316201430-va-hon\"><span class=\"ez-toc-section\" id=\"Luu_y_theo_mac_inox_304316201430_va_hon\"><\/span>L\u01b0u \u00fd theo m\u00e1c inox (304\/316\/201\/430 v\u00e0 h\u01a1n)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; 201\/430: Kh\u00e1ng clorua k\u00e9m; r\u1ea5t d\u1ec5 r\u1ed7 khi g\u1eb7p Javen\/HCl.<br \/>\n&#8211; 304: D\u00f9ng ph\u1ed5 bi\u1ebfn nh\u01b0ng v\u1eabn b\u1ecb pitting v\u1edbi clorua, \u0111\u1eb7c bi\u1ec7t trong nh\u00e0 t\u1eafm\/b\u1ebfp.<br \/>\n&#8211; 316\/316L: Kh\u00e1ng clorua t\u1ed1t h\u01a1n (Mo t\u0103ng PREN), nh\u01b0ng v\u1eabn b\u1ecb h\u1ea1i b\u1edfi HCl, NaClO, HF, FeCl3; kh\u00f4ng mi\u1ec5n d\u1ecbch.<br \/>\n&#8211; Duplex\/Si\u00eau austenitic: Kh\u00e1ng r\u1ed7 t\u1ed1t, song c\u00e1c h\u00f3a ch\u1ea5t \u201cc\u1ea5m\u201d b\u00ean tr\u00ean v\u1eabn g\u00e2y h\u01b0 h\u1ecfng n\u1ebfu l\u1ea1m d\u1ee5ng.<br \/>\nK\u1ebft lu\u1eadn: D\u00f9 m\u00e1c n\u00e0o, c\u00e1c nh\u00f3m h\u00f3a ch\u1ea5t c\u1ea5m v\u1eabn ph\u1ea3i tr\u00e1nh.<\/p>\n<h2 id=\"toc-3-dau-hieu-be-mat-inox-da-bi-hoa-chat-lam-hai\"><span class=\"ez-toc-section\" id=\"Dau_hieu_be_mat_inox_da_bi_hoa_chat_lam_hai\"><\/span>D\u1ea5u hi\u1ec7u b\u1ec1 m\u1eb7t inox \u0111\u00e3 b\u1ecb h\u00f3a ch\u1ea5t l\u00e0m h\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; L\u1ea5m t\u1ea5m r\u1ed7 s\u00e1ng\/t\u1ed1i, c\u1ea3m gi\u00e1c nh\u00e1m \u0111\u1ea7u ng\u00f3n tay.<br \/>\n&#8211; \u1ed0 v\u00e0ng\/n\u00e2u (tea staining), loang m\u00e0u c\u1ea7u v\u1ed3ng sau khi ti\u1ebfp x\u00fac ki\u1ec1m\/axit.<br \/>\n&#8211; \u0110\u01b0\u1eddng vi\u1ec1n r\u1ed7 quanh gi\u1ecdt kh\u00f4, \u0111\u1eb7c bi\u1ec7t g\u1ea7n m\u00e9p\/khe.<br \/>\n&#8211; X\u1ec9n m\u1edd, \u0103n m\u00f2n d\u1ea1ng \u201cda cam\u201d sau khi d\u00f9ng t\u1ea9y s\u01a1n\/dung m\u00f4i clo h\u00f3a.<br \/>\n&#8211; M\u00f9i clo\/h\u00f3a ch\u1ea5t c\u00f2n l\u01b0u d\u00f9 \u0111\u00e3 lau.<\/p>\n<h2 id=\"toc-4-lo-dung-nham-quy-trinh-xu-ly-khan-cap\"><span class=\"ez-toc-section\" id=\"Lo_dung_nham_quy_trinh_xu_ly_khan_cap\"><\/span>L\u1ee1 d\u00f9ng nh\u1ea7m: quy tr\u00ecnh x\u1eed l\u00fd kh\u1ea9n c\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ngay l\u1eadp t\u1ee9c x\u1ea3 th\u1eadt nhi\u1ec1u n\u01b0\u1edbc s\u1ea1ch, kh\u00f4ng \u0111\u1ec3 h\u00f3a ch\u1ea5t kh\u00f4 tr\u00ean b\u1ec1 m\u1eb7t.<br \/>\n&#8211; V\u1edbi axit (HCl, HF): R\u1eeda n\u01b0\u1edbc t\u1ed1i thi\u1ec3u 10\u201315 ph\u00fat; trung h\u00f2a nh\u1eb9 b\u1eb1ng dung d\u1ecbch NaHCO3 1\u20132% phun\/r\u1eeda; ti\u1ebfp t\u1ee5c x\u1ea3 n\u01b0\u1edbc. V\u1edbi HF, d\u1eebng thao t\u00e1c, tu\u00e2n th\u1ee7 an to\u00e0n h\u00f3a ch\u1ea5t nghi\u00eam ng\u1eb7t.<br \/>\n&#8211; V\u1edbi ki\u1ec1m m\u1ea1nh (NaOH\/KOH): R\u1eeda n\u01b0\u1edbc nhi\u1ec1u; c\u00f3 th\u1ec3 trung h\u00f2a nh\u1eb9 b\u1eb1ng dung d\u1ecbch axit h\u1eefu c\u01a1 lo\u00e3ng (axit citric 1\u20133%); x\u1ea3 s\u1ea1ch.<br \/>\n&#8211; Lau kh\u00f4 ho\u00e0n to\u00e0n \u0111\u1ec3 c\u1eaft ngu\u1ed3n clorua \u0111\u1ecdng; sau \u0111\u00f3 \u0111\u00e1nh gi\u00e1 b\u1ec1 m\u1eb7t.<br \/>\n&#8211; N\u1ebfu xu\u1ea5t hi\u1ec7n r\u1ed7\/\u1ed1: Li\u00ean h\u1ec7 \u0111\u01a1n v\u1ecb chuy\u00ean m\u00f4n \u0111\u1ec3 th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) b\u1eb1ng axit nitric\/citric theo ASTM A967\/A380 ho\u1eb7c x\u1eed l\u00fd c\u01a1 h\u1ecdc ph\u00f9 h\u1ee3p.<\/p>\n<h2 id=\"toc-5-giai-phap-thay-the-an-toan-duoc-khuyen-nghi\"><span class=\"ez-toc-section\" id=\"Giai_phap_thay_the_an_toan_duoc_khuyen_nghi\"><\/span>Gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n, \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ch\u1ea5t t\u1ea9y r\u1eeda pH trung t\u00ednh (6\u20138), kh\u00f4ng ch\u1ee9a chloride, kh\u00f4ng \u201cactive chlorine\u201d.<br \/>\n&#8211; Ki\u1ec1m nh\u1eb9 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng: natri cacbonat\/bicarbonat, ch\u1ea5t t\u1ea9y r\u1eeda c\u00f4ng nghi\u1ec7p kh\u00f4ng ch\u1ee9a clorua (\u0111\u1ecdc SDS).<br \/>\n&#8211; Axit h\u1eefu c\u01a1 nh\u1eb9: dung d\u1ecbch axit citric 3\u20135% \u0111\u1ec3 t\u1ea9y c\u1eb7n kho\u00e1ng\/\u1ed1 n\u01b0\u1edbc, sau \u0111\u00f3 x\u1ea3 s\u1ea1ch v\u00e0 lau kh\u00f4.<br \/>\n&#8211; Oxy h\u00f3a kh\u00f4ng ch\u1ee9a clorua: hydrogen peroxide ho\u1eb7c peracetic acid n\u1ed3ng \u0111\u1ed9 th\u1ea5p trong quy tr\u00ecnh c\u00f3 ki\u1ec3m so\u00e1t (CIP), lu\u00f4n tr\u00e1ng k\u1ef9.<br \/>\n&#8211; Dung m\u00f4i an to\u00e0n b\u1ec1 m\u1eb7t: isopropanol\/ethanol \u0111\u1ec3 t\u1ea9y d\u1ea7u v\u1ebft tay; tr\u00e1nh dung m\u00f4i clo h\u00f3a.<br \/>\n&#8211; Quy tr\u00ecnh 5 b\u01b0\u1edbc g\u1ee3i \u00fd:<br \/>\n  1) Phun ch\u1ea5t t\u1ea9y pH trung t\u00ednh.<br \/>\n  2) Ch\u00e0 b\u1eb1ng kh\u0103n m\u1ec1m\/s\u1ee3i kh\u00f4ng d\u1ec7t theo th\u1edb inox.<br \/>\n  3) X\u1ea3 n\u01b0\u1edbc s\u1ea1ch \u00e1p l\u1ef1c nh\u1eb9.<br \/>\n  4) Kh\u1eed kho\u00e1ng\/\u1ed1 c\u1ee9ng b\u1eb1ng citric 3\u20135% n\u1ebfu c\u1ea7n, r\u1ed3i x\u1ea3 l\u1ea1i.<br \/>\n  5) Lau kh\u00f4; c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 nh\u1eb9 b\u1eb1ng d\u1ea7u kho\u00e1ng\/si\u00eau m\u1ecfng cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<\/p>\n<h2 id=\"toc-6-cach-doc-nhan-de-ne-hoa-chat-cam\"><span class=\"ez-toc-section\" id=\"Cach_doc_nhan_de_%E2%80%9Cne%E2%80%9D_hoa_chat_cam\"><\/span>C\u00e1ch \u0111\u1ecdc nh\u00e3n \u0111\u1ec3 \u201cn\u00e9\u201d h\u00f3a ch\u1ea5t c\u1ea5m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Tr\u00e1nh t\u1eeb kh\u00f3a: chlorine, hypochlorite, chloride, muriatic acid, hydrochloric acid (HCl), hydrofluoric acid (HF), ammonium bifluoride, ferric chloride (FeCl3), cupric chloride (CuCl2), dichloromethane, trichloroethylene.<br \/>\n&#8211; C\u1ea3nh gi\u00e1c v\u1edbi: \u201ct\u1ea9y b\u1ed3n c\u1ea7u\u201d, \u201ct\u1ea9y xi m\u0103ng\/\u0111\u00e1\/g\u1ea1ch\u201d, \u201ct\u1ea9y l\u00f2 n\u01b0\u1edbng ki\u1ec1m m\u1ea1nh\u201d, \u201ckh\u1eed tr\u00f9ng chlorine\u201d, \u201ct\u1ea9y s\u01a1n ch\u1ee9a dung m\u00f4i clo h\u00f3a\u201d.<br \/>\n&#8211; \u01afu ti\u00ean ghi ch\u00fa: pH neutral, chloride-free, non-chlorinated, suitable for stainless steel theo khuy\u1ebfn ngh\u1ecb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<h2 id=\"toc-7-tai-lieu-tham-khao\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Nickel Institute \u2013 Cleaning and maintenance of stainless steel; Stainless steel in food processing: Avoid chloride-based bleaches. https:\/\/nickelinstitute.org<br \/>\n&#8211; British Stainless Steel Association (BSSA) \u2013 Cleaning Stainless Steel; Corrosion by chlorides guidance. https:\/\/bssa.org.uk<br \/>\n&#8211; Australian Stainless Steel Development Association (ASSDA) \u2013 Care and Cleaning of Stainless Steel; Why bleach is not recommended. https:\/\/www.assda.asn.au<br \/>\n&#8211; Outokumpu \u2013 Fabrication and maintenance guidelines for stainless steel surfaces. https:\/\/www.outokumpu.com<br \/>\n&#8211; ASTM A380\/A967 \u2013 Standard practices for cleaning, descaling, and passivation of stainless steel parts.<\/p>\n<h2 id=\"toc-8-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00f3a ch\u1ea5t tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng tr\u00ean inox g\u1ed3m: chlorine\/hypochlorite (Javen), HCl v\u00e0 ch\u1ebf ph\u1ea9m t\u1ea9y b\u1ed3n c\u1ea7u\/xi m\u0103ng, HF\/ammonium bifluoride, mu\u1ed1i etch FeCl3\/CuCl2, dung m\u00f4i clo h\u00f3a, v\u00e0 ki\u1ec1m \u0111\u1eadm \u0111\u1eb7c d\u00f9ng n\u00f3ng. Ch\u00fang ph\u00e1 h\u1ee7y l\u1edbp th\u1ee5 \u0111\u1ed9ng, g\u00e2y r\u1ed7\/\u1ed1 kh\u00f3 ph\u1ee5c h\u1ed3i.<br \/>\n&#8211; D\u00f9 l\u00e0 304 hay 316, nguy\u00ean t\u1eafc v\u1eabn kh\u00f4ng \u0111\u1ed5i: tr\u00e1nh clorua m\u1ea1nh, axit\/ki\u1ec1m c\u1ef1c \u0111oan v\u00e0 dung m\u00f4i clo h\u00f3a; \u01b0u ti\u00ean t\u1ea9y r\u1eeda pH trung t\u00ednh, tr\u00e1ng \u2013 lau kh\u00f4 k\u1ef9.<br \/>\n&#8211; N\u1ebfu l\u1ee1 d\u00f9ng, x\u1ea3 n\u01b0\u1edbc ngay, trung h\u00f2a ph\u00f9 h\u1ee3p v\u00e0 c\u00e2n nh\u1eafc th\u1ee5 \u0111\u1ed9ng h\u00f3a chuy\u00ean nghi\u1ec7p.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn h\u00f3a ch\u1ea5t an to\u00e0n cho inox ho\u1eb7c kh\u1eafc ph\u1ee5c b\u1ec1 m\u1eb7t \u0111\u00e3 h\u01b0 h\u1ea1i? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00e1nh h\u1ecfng inox: li\u1ec7t k\u00ea c\u00e1c h\u00f3a ch\u1ea5t c\u1ea5m nh\u01b0 HCl, Javel\/NaClO, HF, FeCl3\u2026 k\u00e8m l\u00fd do, d\u1ea5u hi\u1ec7u h\u01b0 h\u1ea1i v\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf an to\u00e0n, c\u00f3 ngu\u1ed3n tham kh\u1ea3o.<\/p>\n","protected":false},"author":7,"featured_media":1014,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=2468"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2468\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1014"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}