{"id":5823,"date":"2025-11-28T11:27:26","date_gmt":"2025-11-28T04:27:26","guid":{"rendered":"https:\/\/www.cticlab.com\/?p=5823"},"modified":"2025-11-28T11:30:46","modified_gmt":"2025-11-28T04:30:46","slug":"test-halogen","status":"publish","type":"post","link":"https:\/\/www.cticlab.com\/vi\/test-halogen\/","title":{"rendered":"Test Halogen l\u00e0 g\u00ec? V\u00ec sao c\u1ea7n test Halogen?"},"content":{"rendered":"

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111i\u1ec7n \u2013 \u0111i\u1ec7n t\u1eed, linh ki\u1ec7n PCB, c\u00e1p \u2013 d\u00e2y, nh\u1ef1a k\u1ef9 thu\u1eadt hay v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i th\u00ec y\u00eau c\u1ea7u s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u Halogen-Free<\/strong> ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 \u0103n m\u00f2n thi\u1ebft b\u1ecb, ph\u00e1t th\u1ea3i kh\u00ed \u0111\u1ed9c v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n m\u00f4i tr\u01b0\u1eddng qu\u1ed1c t\u1ebf. \u0110\u1ec3 ki\u1ec3m so\u00e1t r\u1ee7i ro v\u00e0 ch\u1ee9ng minh s\u1ef1 tu\u00e2n th\u1ee7, doanh nghi\u1ec7p c\u1ea7n th\u1ef1c hi\u1ec7n test Halogen<\/strong> nh\u1eb1m x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 Halogen trong v\u1eadt li\u1ec7u v\u00e0 linh ki\u1ec7n.<\/p>\n

CTIC Vietnam s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 test Halogen l\u00e0 g\u00ec, ng\u01b0\u1ee1ng ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng, l\u00fd do ph\u1ea3i ki\u1ec3m tra th\u00f4ng qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n

Test Halogen l\u00e0 g\u00ec?<\/strong><\/h2>\n

Test Halogen (hay Halogen-Free \u2013 HF) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nh\u1eb1m x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 Halogen trong s\u1ea3n ph\u1ea9m, \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn trong ng\u00e0nh \u0111i\u1ec7n \u2013 \u0111i\u1ec7n t\u1eed, linh ki\u1ec7n PCB, nh\u1ef1a k\u1ef9 thu\u1eadt, c\u00e1p \u2013 d\u00e2y v\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. Vi\u1ec7c ki\u1ec3m so\u00e1t Halogen gi\u00fap doanh nghi\u1ec7p h\u1ea1n ch\u1ebf r\u1ee7i ro \u0103n m\u00f2n, ph\u00e1t th\u1ea3i kh\u00ed \u0111\u1ed9c v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t t\u1eeb kh\u00e1ch h\u00e0ng qu\u1ed1c t\u1ebf.<\/p>\n

C\u00e1c nguy\u00ean t\u1ed1 Halogen thu\u1ed9c nh\u00f3m VIIA<\/strong> c\u1ee7a b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc, g\u1ed3m: Flo (F), Clo (Cl), Br\u00f4m (Br), I\u1ed1t (I), Astatin (At) v\u00e0 Tennessine (Ts). <\/strong>Nh\u00f3m nguy\u00ean t\u1ed1 n\u00e0y c\u00f3 t\u00ednh phi kim v\u00e0 d\u1ec5 ph\u1ea3n \u1ee9ng, t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t axit m\u1ea1nh v\u1edbi hydro.<\/p>\n

Trong c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n \u2013 \u0111i\u1ec7n t\u1eed, vi\u1ec7c ki\u1ec3m so\u00e1t Halogen ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o 4 nguy\u00ean t\u1ed1: F, Cl, Br v\u00e0 I<\/strong>, v\u00ec \u0111\u00e2y l\u00e0 nh\u1eefng ch\u1ea5t d\u1ec5 xu\u1ea5t hi\u1ec7n trong v\u1eadt li\u1ec7u nh\u1ef1a, ch\u1ea5t ch\u1ed1ng ch\u00e1y ho\u1eb7c l\u1edbp ph\u1ee7 PCB.<\/p>\n

\"Test
Test Halogen l\u00e0 g\u00ec?<\/figcaption><\/figure>\n

V\u00ec sao c\u1ea7n ki\u1ec3m so\u00e1t h\u00e0m l\u01b0\u1ee3ng Halogen?<\/strong><\/h2>\n

Halogen l\u00e0 nh\u00f3m nguy\u00ean t\u1ed1 c\u00f3 t\u00ednh ph\u1ea3n \u1ee9ng m\u1ea1nh. Khi t\u1ed3n t\u1ea1i trong v\u1eadt li\u1ec7u \u0111i\u1ec7n \u2013 \u0111i\u1ec7n t\u1eed, ch\u00fang kh\u00f4ng g\u00e2y h\u1ea1i ngay l\u1eadp t\u1ee9c, nh\u01b0ng khi b\u1ecb nung n\u00f3ng ho\u1eb7c \u0111\u1ed1t ch\u00e1y, Halogen c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c kh\u00ed \u0103n m\u00f2n v\u00e0 \u0111\u1ed9c h\u1ea1i nh\u01b0 hydrogen chloride (HCl) ho\u1eb7c hydrogen bromide (HBr). C\u00e1c kh\u00ed n\u00e0y g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, \u0103n m\u00f2n linh ki\u1ec7n v\u00e0 g\u00e2y nguy hi\u1ec3m cho con ng\u01b0\u1eddi n\u1ebfu h\u00edt ph\u1ea3i.<\/p>\n

Nghi\u00eam tr\u1ecdng h\u01a1n, khi v\u1eadt li\u1ec7u ch\u1ee9a Halogen b\u1ecb \u0111\u1ed1t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd r\u00e1c th\u1ea3i, Clo v\u00e0 Brom c\u00f3 th\u1ec3 t\u1ea1o ra dioxin v\u00e0 furan \u2013 nh\u1eefng h\u1ee3p ch\u1ea5t \u0111\u1ed9c b\u1ec1n v\u1eefng, c\u00f3 kh\u1ea3 n\u0103ng t\u00edch l\u0169y sinh h\u1ecdc, g\u00e2y ung th\u01b0 v\u00e0 \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u0169ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Ch\u00ednh v\u00ec v\u1eady, trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111i\u1ec7n t\u1eed, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, quang h\u1ecdc, v\u1eadt li\u1ec7u PCB v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh, y\u00eau c\u1ea7u s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u kh\u00f4ng Halogen (Halogen Free) ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn nh\u1eb1m gi\u1ea3m thi\u1ec3u r\u1ee7i ro ch\u00e1y n\u1ed5, \u0103n m\u00f2n v\u00e0 t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng.<\/p>\n

\u0110\u1ec3 th\u1ed1ng nh\u1ea5t ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1, \u1ee6y ban \u0110i\u1ec7n h\u00f3a Qu\u1ed1c t\u1ebf (IEC) \u0111\u00e3 ban h\u00e0nh ti\u00eau chu\u1ea9n IEC 61249-2-21, quy \u0111\u1ecbnh ng\u01b0\u1ee1ng Clo v\u00e0 Brom trong v\u1eadt li\u1ec7u \u0111\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 Halogen Free.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p test Halogen<\/strong><\/h2>\n

EN 14582 l\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a Ch\u00e2u \u00c2u quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng Halogen (F, Cl, Br, I) v\u00e0 l\u01b0u hu\u1ef3nh trong v\u1eadt li\u1ec7u th\u00f4ng qua quy tr\u00ecnh \u0111\u1ed1t m\u1eabu trong m\u00f4i tr\u01b0\u1eddng oxy. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng d\u00f9ng cho c\u00e1c v\u1eadt li\u1ec7u r\u1eafn, nh\u00e3o ho\u1eb7c l\u1ecfng, \u0111\u1eb7c bi\u1ec7t khi h\u00e0m l\u01b0\u1ee3ng Halogen > 0,025 g\/kg.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p g\u1ed3m hai b\u01b0\u1edbc ch\u00ednh:<\/p>\n

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  1. \n

    \u0110\u1ed1t m\u1eabu b\u1eb1ng bom oxy (oxygen bomb): M\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng \u0111\u1ed1t k\u00edn ch\u1ee9a oxy tinh khi\u1ebft. D\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao, v\u1eadt li\u1ec7u ch\u00e1y ho\u00e0n to\u00e0n, chuy\u1ec3n \u0111\u1ed5i Halogen trong m\u1eabu th\u00e0nh d\u1ea1ng ion h\u00f2a tan.<\/p>\n<\/li>\n

  2. \n

    Ph\u00e2n t\u00edch s\u1ea3n ph\u1ea9m ch\u00e1y b\u1eb1ng s\u1eafc k\u00fd ion (Ion Chromatography \u2013 IC): Dung d\u1ecbch thu \u0111\u01b0\u1ee3c sau \u0111\u1ed1t \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o IC \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00e1c ion Halogen, bao g\u1ed3m:<\/p>\n