{"id":3598,"date":"2025-05-22T11:50:57","date_gmt":"2025-05-22T03:50:57","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3598"},"modified":"2025-05-22T15:15:32","modified_gmt":"2025-05-22T07:15:32","slug":"how-to-calibrate-an-atomic-absorption-spectrophotometer-step-by-step","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/how-to-calibrate-an-atomic-absorption-spectrophotometer-step-by-step","title":{"rendered":"C\u00e1ch hi\u1ec7u chu\u1ea9n quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed t\u1eebng b\u01b0\u1edbc"},"content":{"rendered":"<p>\u0110i\u1ec1u chu\u1ea9n m\u1ed9t <a href=\"https:\/\/www.pgeneral.com\/vi\/\"><u>M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/u><\/a>\u00a0l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 quan tr\u1ecdng. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong c\u00f4ng vi\u1ec7c ph\u00f2ng th\u00ed nghi\u1ec7m. Cho d\u00f9 b\u1ea1n ki\u1ec3m tra c\u00e1c m\u1ea3nh kim lo\u1ea1i nh\u1ecf trong m\u1eabu t\u1ef1 nhi\u00ean ho\u1eb7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng trong thu\u1ed1c, hi\u1ec7u chu\u1ea9n t\u1ed1t h\u1ee9a h\u1eb9n \u0111\u1ed9 ch\u00ednh x\u00e1c. T\u1ea1i PERSEE, ch\u00fang t\u00f4i bi\u1ebft gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady. Ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u00fap b\u1ea1n th\u00f4ng qua qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n v\u1edbi c\u00e1c b\u01b0\u1edbc r\u00f5 r\u00e0ng v\u00e0 \u0111\u01a1n gi\u1ea3n. H\u01b0\u1edbng d\u1eabn d\u1ec5 d\u00e0ng n\u00e0y d\u00e0nh cho nh\u00e2n vi\u00ean ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc mu\u1ed1n hi\u1ec7u chu\u1ea9n t\u1ed1t h\u01a1n. N\u00f3 c\u0169ng gi\u00fap c\u1ea3i thi\u1ec7n k\u1ebft qu\u1ea3 quang ph\u1ed5 h\u1ea5p th\u1ee5 c\u1ee7a h\u1ecd.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-3599\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/1-product-2.webp\" alt=\"s\u1ea3n ph\u1ea9m\" width=\"740\" height=\"416\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/1-product-2.webp 740w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/1-product-2-300x169.webp 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/1-product-2-18x10.webp 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/1-product-2-600x337.webp 600w\" sizes=\"(max-width: 740px) 100vw, 740px\" \/><\/p>\n<h2>Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n<\/h2>\n<p>K\u1ebf ho\u1ea1ch t\u1ed1t \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho hi\u1ec7u chu\u1ea9n tr\u01a1n tru. B\u1eb1ng c\u00e1ch x\u1eed l\u00fd c\u00e1c c\u00f4ng c\u1ee5, thi\u1ebft l\u1eadp v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh, b\u1ea1n gi\u1ea3m thi\u1ec3u sai l\u1ea7m v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3>Thu th\u1eadp c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/h3>\n<p>Tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u hi\u1ec7u chu\u1ea9n quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed c\u1ee7a b\u1ea1n, thu th\u1eadp c\u00e1c m\u1ee5c n\u00e0y:<\/p>\n<ul>\n<li>Ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n: C\u00e1c gi\u1ea3i ph\u00e1p tinh khi\u1ebft cho c\u00e1c y\u1ebfu t\u1ed1 b\u1ea1n \u0111ang ki\u1ec3m tra.<\/li>\n<li><strong>N\u01b0\u1edbc s\u1ea1ch<\/strong>: \u0110\u1ec3 l\u00e0m c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ed1ng v\u00e0 l\u00e0m m\u1ecfng.<\/li>\n<li><strong>Pipette v\u00e0 b\u00ecnh<\/strong>: \u0110\u1ec3 chu\u1ea9n b\u1ecb gi\u1ea3i ph\u00e1p ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110\u1ed3 d\u00f9ng l\u00e0m s\u1ea1ch<\/strong>: V\u1ea3i m\u1ec1m v\u00e0 ch\u1ea5t l\u1ecfng an to\u00e0n \u0111\u1ec3 gi\u1eef cho c\u00e1c b\u1ed9 ph\u1eadn s\u1ea1ch s\u1ebd.<\/li>\n<li><strong>M\u00e1y t\u00ednh x\u00e1ch tay ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh<\/strong>\u0110\u1ec3 ghi l\u1ea1i chi ti\u1ebft hi\u1ec7u chu\u1ea9n v\u00e0 theo d\u00f5i ti\u1ebfn b\u1ed9.<\/li>\n<\/ul>\n<p>Vi\u1ec7c s\u1eb5n s\u00e0ng c\u00e1c m\u1ee5c n\u00e0y l\u00e0m cho qu\u00e1 tr\u00ecnh nhanh h\u01a1n v\u00e0 c\u1eaft gi\u1ea3m s\u1ef1 ch\u1eadm tr\u1ec5.<\/p>\n<h3>\u0110\u1ea3m b\u1ea3o thi\u1ebft l\u1eadp c\u00f4ng c\u1ee5 th\u00edch h\u1ee3p<\/h3>\n<p>Ki\u1ec3m tra xem m\u00e1y quang ph\u1ed5 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u00fang kh\u00f4ng:<\/p>\n<ul>\n<li><strong>\u0110\u1ecba \u0111i\u1ec3m \u0111\u00e8n<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u00e8n cathode r\u1ed7ng cho nguy\u00ean t\u1ed1 l\u00e0 v\u1eefng ch\u1eafc t\u1ea1i ch\u1ed7.<\/li>\n<li><strong>Cung c\u1ea5p kh\u00ed<\/strong>X\u00e1c nh\u1eadn r\u1eb1ng ngu\u1ed3n cung c\u1ea5p acetylene v\u00e0 kh\u00f4ng kh\u00ed ho\u1eb7c oxyt nit\u01a1 \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>Thi\u1ebft l\u1eadp quang h\u1ecdc<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y monochromator v\u00e0 m\u00e1y d\u00f2 \u0111\u01b0\u1ee3c x\u1ebfp h\u00e0ng.<\/li>\n<\/ul>\n<p>M\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c l\u00e0 ch\u00eca kh\u00f3a cho hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng ch\u00fang t\u00f4i <a href=\"https:\/\/www.pgeneral.com\/vi\/product\/aasa3f\/\"><u>M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A3F<\/u><\/a>thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n c\u1ee7a ch\u00fang t\u00f4i l\u00e0m cho b\u01b0\u1edbc n\u00e0y d\u1ec5 d\u00e0ng.<\/p>\n<h3>Ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng cho hi\u1ec7u chu\u1ea9n<\/h3>\n<p>C\u00e1c y\u1ebfu t\u1ed1 xung quanh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7u chu\u1ea9n. \u0110\u1ea3m b\u1ea3o:<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/strong>Gi\u1eef ph\u00f2ng th\u00ed nghi\u1ec7m gi\u1eefa 15-30 \u00b0 C \u0111\u1ec3 tr\u00e1nh thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><strong>Kh\u00f4ng run<\/strong>\u0110\u1eb7t c\u00f4ng c\u1ee5 tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t r\u1eafn \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 chuy\u1ec3n \u0111\u1ed9ng.<\/li>\n<li><strong>Kh\u00f4ng kh\u00ed t\u01b0\u01a1i<\/strong>S\u1eed d\u1ee5ng m\u1ed9t hood kh\u00f3i ho\u1eb7c kh\u00ed th\u1ea3i \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 kh\u00ed.<\/li>\n<\/ul>\n<p>Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y gi\u1eef cho d\u00f2ng c\u01a1 s\u1edf \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c.<\/p>\n<h2>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/h2>\n<p>V\u1edbi k\u1ebf ho\u1ea1ch ho\u00e0n th\u00e0nh, l\u00e0m theo c\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u1ec3 hi\u1ec7u chu\u1ea9n c\u00f4ng c\u1ee5 c\u1ee7a b\u1ea1n t\u1ed1t.<\/p>\n<h3>Kh\u1edfi t\u1ea1o c\u00f4ng c\u1ee5<\/h3>\n<h4>Powering Up v\u00e0 Warm-Up Period<\/h4>\n<p>B\u1eadt m\u00e1y quang ph\u1ed5. H\u00e3y \u0111\u1ec3 n\u00f3 n\u00f3ng l\u00ean trong kho\u1ea3ng 15-30 ph\u00fat. \u0110i\u1ec1u n\u00e0y l\u00e0m \u1ed5n \u0111\u1ecbnh \u0111\u00e8n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn. Trong th\u1eddi gian n\u00e0y:<\/p>\n<ul>\n<li>Ki\u1ec3m tra \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n v\u1edbi c\u00e1c t\u00ednh n\u0103ng ki\u1ec3m tra c\u1ee7a c\u00f4ng c\u1ee5.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y kh\u00ed ph\u00f9 h\u1ee3p v\u1edbi quy t\u1eafc c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t (v\u00ed d\u1ee5: 2-4 L \/ ph\u00fat cho acetylene).<\/li>\n<\/ul>\n<h4>Ki\u1ec3m tra s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u01a1 s\u1edf<\/h4>\n<p>Ch\u1ea1y m\u1ed9t dung d\u1ecbch tr\u1ed1ng (n\u01b0\u1edbc s\u1ea1ch) \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t \u0111\u01b0\u1eddng c\u01a1 b\u1ea3n. Xem \u0111\u1ecdc \u0111\u1ed9 h\u1ea5p th\u1ee5 trong 2-3 ph\u00fat \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 \u1ed5n \u0111\u1ecbnh. N\u1ebfu thay \u0111\u1ed5i nhi\u1ec1u h\u01a1n \u00b1 0,002 \u0111\u01a1n v\u1ecb h\u1ea5p th\u1ee5, h\u00e3y t\u00ecm r\u00f2 r\u1ec9 kh\u00ed ho\u1eb7c v\u1ea5n \u0111\u1ec1 \u0111\u00e8n.<\/p>\n<h3>Ch\u1ecdn ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p<\/h3>\n<h4>C\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n cho m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed<\/h4>\n<p>Ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n kh\u00e1c nhau theo y\u1ebfu t\u1ed1 v\u00e0 lo\u1ea1i m\u1eabu. Nh\u1eefng \u0111i\u1ec1u ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\">Y\u1ebfu t\u1ed1<\/td>\n<td style=\"text-align: center;\">Lo\u1ea1i ti\u00eau chu\u1ea9n<\/td>\n<td style=\"text-align: center;\">Ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0110\u1ed3ng<\/td>\n<td style=\"text-align: center;\">Ti\u00eau chu\u1ea9n Cu<\/td>\n<td style=\"text-align: center;\">0,1-5 ppm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Ch\u1ee7<\/td>\n<td style=\"text-align: center;\">Ti\u00eau chu\u1ea9n Pb<\/td>\n<td style=\"text-align: center;\">0,5-10 ppm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">K\u1ebdm<\/td>\n<td style=\"text-align: center;\">Ti\u00eau chu\u1ea9n Zn<\/td>\n<td style=\"text-align: center;\">0,1-2 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ch\u1ecdn c\u00e1c ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9 d\u1ef1 ki\u1ebfn c\u1ee7a m\u1eabu c\u1ee7a b\u1ea1n.<\/p>\n<h4>Chu\u1ea9n b\u1ecb ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n<\/h4>\n<p>Ti\u00eau chu\u1ea9n c\u1ed5 phi\u1ebfu m\u1ecfng v\u1edbi n\u01b0\u1edbc s\u1ea1ch \u0111\u1ec3 t\u1ea1o ra m\u1ed9t b\u1ed9 gi\u1ea3i ph\u00e1p (v\u00ed d\u1ee5: 0,5, 1, 2 v\u00e0 5 ppm). S\u1eed d\u1ee5ng \u1ed1ng pipet v\u00e0 b\u00ecnh \u0111\u01b0\u1ee3c \u0111o cho \u0111\u1ed9 ch\u00ednh x\u00e1c. L\u01b0u tr\u1eef c\u00e1c ti\u00eau chu\u1ea9n trong c\u00e1c th\u00f9ng ch\u1ee9a s\u1ea1ch, r\u1eeda axit \u0111\u1ec3 tr\u00e1nh b\u1ee5i b\u1ea9n.<\/p>\n<h3>Th\u1ef1c hi\u1ec7n quy tr\u00ecnh hi\u1ec7u chu\u1ea9n<\/h3>\n<h4>C\u00e0i \u0111\u1eb7t b\u01b0\u1edbc s\u00f3ng v\u00e0 s\u1ef1 s\u1eafp x\u1ebfp \u0111\u00e8n<\/h4>\n<p>Ch\u1ecdn b\u01b0\u1edbc s\u00f3ng ph\u00f9 h\u1ee3p cho nguy\u00ean t\u1ed1 (v\u00ed d\u1ee5: 324,7 nm cho \u0111\u1ed3ng). \u0110\u00e1nh \u0111\u00e8n \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u m\u1ea1nh nh\u1ea5t. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u00e8n ho\u1eb7c s\u1eed d\u1ee5ng t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng d\u00f2ng c\u1ee7a c\u00f4ng c\u1ee5. c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/www.pgeneral.com\/vi\/product\/aasa3g\/\"><u>M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A3G<\/u><\/a>\u00a0c\u00f3 b\u01b0\u1edbc s\u00f3ng t\u1ef1 \u0111\u1ed9ng ch\u1ecdn \u0111\u1ec3 d\u1ec5 d\u00e0ng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3600\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1.webp\" alt=\"6-A3 Graphite l\u00f2 nguy\u00ean t\u1eed h\u00f3a-1024x683\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1.webp 1024w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1-300x200.webp 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1-768x512.webp 768w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1-18x12.webp 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/05\/6-A3\u77f3\u58a8\u7089\u539f\u5b50\u5316\u5668-1024x683-1-600x400.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h4>Thi\u1ebft l\u1eadp m\u1ed9t \u0111\u1ecdc tr\u1ed1ng<\/h4>\n<p>Phun dung d\u1ecbch tr\u1ed1ng v\u00e0 \u0111\u1eb7t \u0111\u1ed9 h\u1ea5p th\u1ee5 v\u00e0o 0. L\u00e0m \u0111i\u1ec1u n\u00e0y 2-3 l\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 \u1ed5n \u0111\u1ecbnh. M\u1ed9t \u0111\u1ecdc tr\u1ed1ng r\u1eafn l\u00e0 r\u1ea5t quan tr\u1ecdng cho m\u1ed9t \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c.<\/p>\n<h4>\u0110o c\u00e1c gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n cho \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n<\/h4>\n<p>Phun m\u1ed7i dung d\u1ecbch ti\u00eau chu\u1ea9n, b\u1eaft \u0111\u1ea7u v\u1edbi n\u1ed3ng \u0111\u1ed9 th\u1ea5p nh\u1ea5t. L\u01b0u \u00fd s\u1ef1 h\u1ea5p th\u1ee5 cho m\u1ed7i ng\u01b0\u1eddi. Sau \u0111\u00f3, v\u1ebd m\u1ed9t \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n (\u0111\u1ed9 h\u1ea5p th\u1ee5 so v\u1edbi n\u1ed3ng \u0111\u1ed9). \u0110\u01b0\u1eddng cong ph\u1ea3i th\u1eb3ng v\u1edbi h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan (R\u00b2) \u2265 0,995. N\u1ebfu n\u00f3 kh\u00f4ng th\u1eb3ng, ki\u1ec3m tra b\u1ee5i b\u1ea9n ho\u1eb7c tr\u00f4i d\u1ea1t c\u00f4ng c\u1ee5.<\/p>\n<h2>Nh\u1eefng th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft ch\u00fang<\/h2>\n<p>Ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1. \u0110\u00e2y l\u00e0 c\u00e1ch s\u1eeda ch\u1eefa nh\u1eefng \u0111i\u1ec1u ph\u1ed5 bi\u1ebfn.<\/p>\n<h3>Gi\u1ea3i quy\u1ebft l\u1ed7i thi\u1ebft b\u1ecb<\/h3>\n<p>L\u1ed7i c\u00f4ng c\u1ee5 c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb:<\/p>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1 \u0111\u00e8n<\/strong>Thay th\u1ebf \u0111\u00e8n n\u1ebfu \u0111\u1ed9 s\u00e1ng c\u1ee7a n\u00f3 th\u1ea5p ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1 d\u00f2ng ch\u1ea3y kh\u00ed<\/strong>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t \u0111i\u1ec1u ch\u1ec9nh v\u00e0 t\u00ecm r\u00f2 r\u1ec9.<\/li>\n<li><strong>L\u1ed7i ch\u01b0\u01a1ng tr\u00ecnh<\/strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i c\u00f4ng c\u1ee5 ho\u1eb7c c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n<p>B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, nh\u01b0 \u0111\u1ec1 xu\u1ea5t trong h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a ch\u00fang t\u00f4i, ng\u0103n ch\u1eb7n nhi\u1ec1u l\u1ed7i.<\/p>\n<h3>X\u1eed l\u00fd Drift trong Baseline Readings<\/h3>\n<p>S\u1ef1 tr\u00f4i d\u1ea1t c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 x\u1ea3y ra do thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c l\u00e3o h\u00f3a \u0111\u00e8n. \u0110\u1ec3 s\u1eeda ch\u1eefa n\u00f3:<\/p>\n<ul>\n<li>Cho ph\u00e9p th\u1eddi gian n\u00f3ng l\u00ean l\u00e2u h\u01a1n.<\/li>\n<li>Ki\u1ec3m tra l\u1ea1i c\u00e1c \u0111i\u1ec1u ki\u1ec7n xung quanh.<\/li>\n<li>Ch\u1ea1y m\u1ed9t gi\u1ea3i ph\u00e1p tr\u1ed1ng b\u00e2y gi\u1edd v\u00e0 sau \u0111\u00f3 trong qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n.<\/li>\n<\/ul>\n<h3>\u0110\u1ed1i ph\u00f3 v\u1edbi \u00f4 nhi\u1ec5m trong c\u00e1c m\u1eabu<\/h3>\n<p>B\u1ee5i b\u1ea9n trong c\u00e1c m\u1eabu c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng k\u1ebft qu\u1ea3. Ng\u0103n ch\u1eb7n n\u00f3 b\u1eb1ng c\u00e1ch:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng thu\u1ed1c th\u1eed tinh khi\u1ebft v\u00e0 n\u01b0\u1edbc s\u1ea1ch.<\/li>\n<li>L\u00e0m s\u1ea1ch m\u00e1y phun v\u00e0 \u0111\u1ea7u \u0111\u1ed1t tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n.<\/li>\n<li>L\u01b0u tr\u1eef ti\u00eau chu\u1ea9n trong container s\u1ea1ch.<\/li>\n<\/ul>\n<h2>PERSEE: M\u1ed9t nh\u00e0 cung c\u1ea5p quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed \u0111\u00e1ng tin c\u1eady<\/h2>\n<p>T\u1ea1i PERSEE, ch\u00fang t\u00f4i t\u1ef1 h\u00e0o l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng c\u1ee5 ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u00e1ng tin c\u1eady k\u1ec3 t\u1eeb n\u0103m 1991. Tr\u1ee5 s\u1edf t\u1ea1i B\u1eafc Kinh, ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o vi\u1ec7c t\u1ea1o, c\u1ea3i thi\u1ec7n v\u00e0 b\u00e1n thi\u1ebft b\u1ecb khoa h\u1ecdc ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t. Ch\u00fang t\u00f4i gi\u1eef ch\u1ee9ng nh\u1eadn ISO9001, ISO14001, OHSAS18001 v\u00e0 CE. S\u1ef1 c\u1ed1ng hi\u1ebfn c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ed1i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 c\u00e1c \u00fd t\u01b0\u1edfng m\u1edbi \u0111\u1ea3m b\u1ea3o c\u00e1c c\u00f4ng c\u1ee5 c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00f2ng th\u00ed nghi\u1ec7m tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<h3>T\u1ed5ng quan v\u1ec1 S\u1ea3n ph\u1ea9m c\u1ee7a PERSEE<\/h3>\n<p>Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 linh ho\u1ea1t v\u00e0 c\u01b0\u1eddng \u0111\u1ed9. D\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh nh\u01b0 A3AFG v\u00e0 A3G. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhi\u1ec7m v\u1ee5 trong th\u1eed nghi\u1ec7m thi\u00ean nhi\u00ean, an to\u00e0n th\u1ef1c ph\u1ea9m v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ea7u m\u1ecf. Ki\u1ec3m tra to\u00e0n b\u1ed9 ph\u1ea1m vi c\u1ee7a ch\u00fang t\u00f4i tr\u00ean trang s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<h3>T\u00ednh n\u0103ng ch\u00ednh c\u1ee7a PERSEE Instruments<\/h3>\n<p>M\u00e1y quang ph\u1ed5 c\u1ee7a ch\u00fang t\u00f4i t\u1ecfa s\u00e1ng v\u00ec:<\/p>\n<ul>\n<li><strong>Nh\u1ea1y c\u1ea3m cao<\/strong>T\u00ecm c\u00e1c nguy\u00ean t\u1ed1 nh\u1ecf \u1edf m\u1ee9c ppb.<\/li>\n<li><strong>Qu\u00e9t nhanh<\/strong>K\u1ebft th\u00fac qu\u00e9t ch\u1ec9 trong 2 gi\u00e2y.<\/li>\n<li><strong>Giao di\u1ec7n d\u1ec5 d\u00e0ng:<\/strong> L\u00e0m cho hi\u1ec7u chu\u1ea9n \u0111\u01a1n gi\u1ea3n v\u1edbi quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n<li><strong>Tr\u1ee3 gi\u00fap tr\u00ean to\u00e0n th\u1ebf gi\u1edbi<\/strong>S\u1eed d\u1ee5ng m\u1ea1ng d\u1ecbch v\u1ee5 nhanh c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n<p>Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y l\u00e0m cho c\u00e1c c\u00f4ng c\u1ee5 c\u1ee7a ch\u00fang t\u00f4i tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m mu\u1ed1n \u0111\u1ed9 tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9.<\/p>\n<h2>Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n<p>\u0110i\u1ec1u chu\u1ea9n m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 c\u1ea9n th\u1eadn nh\u01b0ng c\u1ea7n thi\u1ebft. N\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ph\u00f2ng th\u00ed nghi\u1ec7m ch\u00ednh x\u00e1c. L\u00e0m theo c\u00e1c b\u01b0\u1edbc \u1edf \u0111\u00e2y - l\u1eadp k\u1ebf ho\u1ea1ch, b\u1eaft \u0111\u1ea7u, ch\u1ecdn ti\u00eau chu\u1ea9n v\u00e0 hi\u1ec7u chu\u1ea9n. B\u1eb1ng c\u00e1ch n\u00e0y, c\u00f4ng c\u1ee5 c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t. T\u1ea1i PERSEE, ch\u00fang t\u00f4i cam k\u1ebft gi\u00fap ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n th\u00e0nh c\u00f4ng v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 h\u00e0ng \u0111\u1ea7u v\u00e0 l\u1eddi khuy\u00ean chuy\u00ean gia. \u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft ho\u1eb7c gi\u00fap \u0111\u1ee1, <a href=\"https:\/\/www.pgeneral.com\/vi\/lien-he-voi-chung-toi\/\"><u>Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/u><\/a>\u00a0h\u00f4m nay.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/h2>\n<h3>M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u1ed9t quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00e0 g\u00ec?<\/h3>\n<p>\u0110i\u1ec1u chu\u1ea9n \u0111\u1ea3m b\u1ea3o c\u00f4ng c\u1ee5 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 l\u1eb7p l\u1ea1i. N\u00f3 thi\u1ebft l\u1eadp m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa h\u1ea5p th\u1ee5 v\u00e0 t\u1eadp trung. N\u00f3 c\u0169ng s\u1eeda ch\u1eefa c\u00e1c thay \u0111\u1ed5i c\u00f4ng c\u1ee5 v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n<h3>\u0110i\u1ec1u chu\u1ea9n n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n bao l\u00e2u?<\/h3>\n<p>Th\u1eddi gian hi\u1ec7u chu\u1ea9n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 quy t\u1eafc ph\u00f2ng th\u00ed nghi\u1ec7m. Th\u00f4ng th\u01b0\u1eddng, hi\u1ec7u chu\u1ea9n h\u00e0ng ng\u00e0y tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m ho\u1eb7c khi chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u1ebfu t\u1ed1. \u0110\u1ec3 l\u00e0m vi\u1ec7c r\u1ea5t ch\u00ednh x\u00e1c, hi\u1ec7u chu\u1ea9n m\u1ed7i 4-6 gi\u1edd ho\u1eb7c sau khi ngh\u1ec9 ng\u01a1i c\u00f4ng c\u1ee5 d\u00e0i.<\/p>\n<h3>\u0110i\u1ec1u chu\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u1edbi m\u00e1y quang ph\u1ed5 hi\u1ec7n \u0111\u1ea1i kh\u00f4ng?<\/h3>\n<p>C\u00f3, nhi\u1ec1u m\u00e1y quang ph\u1ed5 m\u1edbi, bao g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh A3AFG v\u00e0 A3G c\u1ee7a PERSEE, c\u00f3 c\u00e1c t\u00f9y ch\u1ecdn hi\u1ec7u chu\u1ea9n t\u1ef1 \u0111\u1ed9ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y l\u00e0m cho vi\u1ec7c ch\u1ecdn b\u01b0\u1edbc s\u00f3ng, thi\u1ebft l\u1eadp tr\u1ed1ng v\u00e0 \u0111o chu\u1ea9n d\u1ec5 d\u00e0ng h\u01a1n. H\u1ecd l\u00e0m gi\u1ea3m c\u00f4ng vi\u1ec7c tay v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Calibrating an atomic absorption spectrophotometer\u00a0is an important task. It ensures correct and trustworthy results in lab work. Whether you test tiny bits of metals in nature samples or check quality in medicines, good calibration promises accuracy. At PERSEE, we know the value of reliable tools. We\u2019re here to help you through the calibration process with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-3598","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-information","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/3598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/comments?post=3598"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/3598\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/3599"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=3598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=3598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=3598"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}