![\"Nguy\u00ean](\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/12\/Gas-Spectrometer-Fundamentals-Core-Principles-Behind-Gas-Analysis-1.webp\")
<\/div>\nPh\u1ed5 \u0111o kh\u00ed l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a khoa h\u1ecdc ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i. N\u00f3 cung c\u1ea5p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c, nhanh ch\u00f3ng v\u00e0 c\u00f3 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t kh\u00ed trong nhi\u1ec1u l\u0129nh v\u1ef1c. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y s\u1eed d\u1ee5ng c\u00e1ch c\u00e1c h\u1ea1t \u00e1nh s\u00e1ng ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ph\u00e2n t\u1eed kh\u00ed. K\u1ebft n\u1ed1i n\u00e0y cung c\u1ea5p c\u00e1c chi ti\u1ebft r\u00f5 r\u00e0ng v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c.<\/p>\n
Vai tr\u00f2 c\u1ee7a quang ph\u1ed5 trong ph\u00e2n t\u00edch kh\u00ed<\/strong><\/h3>\nC\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a quang ph\u1ed5 kh\u00ed l\u00e0 ph\u00e1t hi\u1ec7n v\u00e0 \u0111o c\u00e1c h\u1ee3p ch\u1ea5t kh\u00ed v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. N\u00f3 l\u00e0m \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u00e1ch c\u00e1c ph\u00e2n t\u1eed pha kh\u00ed ph\u1ea3n \u1ee9ng v\u1edbi b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng ion h\u00f3a. Nh\u1eefng ph\u1ea3n \u1ee9ng n\u00e0y t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ph\u1ed5 \u0111\u1ed9c \u0111\u00e1o. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 d\u1ea5u v\u00e2n tay ph\u00e2n t\u1eed. C\u00e1c nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee5 th\u1ec3, ngay c\u1ea3 trong h\u1ed7n h\u1ee3p kh\u00f3 kh\u0103n.<\/p>\n
D\u1eef li\u1ec7u quang ph\u1ed5 t\u1eeb c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap t\u00ecm c\u1ea3 lo\u1ea1i v\u00e0 l\u01b0\u1ee3ng kh\u00ed. Nh\u1eefng k\u1ef9 n\u0103ng nh\u01b0 v\u1eady r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c theo d\u00f5i m\u00f4i tr\u01b0\u1eddng, qu\u1ea3n l\u00fd quy tr\u00ecnh c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c quy t\u1eafc.<\/p>\n
C\u01a1 ch\u1ebf c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y quang ph\u1ed5 kh\u00ed<\/strong><\/h3>\nTr\u01b0\u1edbc khi xem x\u00e9t c\u00e1c k\u1ef9 thu\u1eadt, n\u00f3 gi\u00fap n\u1eafm b\u1eaft c\u00e1c c\u00e1ch ph\u00e1t hi\u1ec7n c\u01a1 b\u1ea3n h\u1ed7 tr\u1ee3 c\u00e1c m\u00e1y ph\u1ed5 kh\u00ed: H\u1ea5p th\u1ee5: C\u00e1c ph\u00e2n t\u1eed c\u00f3 b\u01b0\u1edbc s\u00f3ng b\u1ee9c x\u1ea1 nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y thay \u0111\u1ed5i s\u1ee9c m\u1ea1nh c\u1ee7a \u00e1nh s\u00e1ng \u0111i qua. Ph\u00e1t th\u1ea3i: C\u00e1c ph\u00e2n t\u1eed b\u1ecb k\u00edch th\u00edch ph\u00e1t ra n\u0103ng l\u01b0\u1ee3ng khi ch\u00fang gi\u1ea3m xu\u1ed1ng m\u1ee9c n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n. Ph\u00e2n t\u00e1n: B\u1ee9c x\u1ea1 \u0111\u1ebfn nh\u1ea3y ra c\u00e1c ph\u00e2n t\u1eed theo c\u00e1c h\u01b0\u1edbng v\u00e0 s\u1ee9c m\u1ea1nh kh\u00e1c nhau.<\/p>\n
C\u00e1c ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 kh\u00e1c nhau s\u1eed d\u1ee5ng c\u00e1c c\u00e1ch n\u00e0y v\u1edbi m\u1ed9t s\u1ed1 ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh c\u1ee7a ph\u1ed5 \u0111i\u1ec7n t\u1eeb ho\u1eb7c c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c s\u1ea1c. V\u00ed d\u1ee5: H\u1ed3ng ngo\u1ea1i (IR) nh\u1eafm \u0111\u1ebfn rung ph\u00e2n t\u1eed. UV-Visible (UV-Vis) \u0111\u1ed1i ph\u00f3 v\u1edbi chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n t\u1eed. Mass Spectrometry (MS) ph\u00e2n lo\u1ea1i ion theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c. C\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 hi\u1ec7u chu\u1ea9n t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c. H\u1ecd s\u1eeda ch\u1eefa c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1eeb thay \u0111\u1ed5i d\u1ee5ng c\u1ee5 v\u00e0 hi\u1ec7u \u1ee9ng b\u00ean ngo\u00e0i.<\/p>\n
C\u00e1c lo\u1ea1i k\u1ef9 thu\u1eadt quang ph\u1ed5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e2n t\u00edch kh\u00ed<\/strong><\/h2>\nCh\u1ecdn k\u1ef9 thu\u1eadt quang ph\u1ed5 ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t m\u1ee5c ti\u00eau’ \u0111\u1eb7c \u0111i\u1ec3m ph\u00e2n t\u1eed s. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u00e0ng d\u1ef1a tr\u00ean \u0111\u1ed9 nh\u1ea1y c\u1ea3m, l\u1ef1a ch\u1ecdn v\u00e0 thi\u1ebft l\u1eadp c\u00f4ng vi\u1ec7c.<\/p>\n
Quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i (IR) \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00ed<\/strong><\/h3>\nPh\u1ed5 quang h\u1ed3ng ngo\u1ea1i ho\u1ea1t \u0111\u1ed9ng tr\u00ean \u00fd t\u01b0\u1edfng r\u1eb1ng c\u00e1c ph\u00e2n t\u1eed h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i v\u1edbi t\u1ed1c \u0111\u1ed9 rung \u0111i\u1ec3n h\u00ecnh. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 r\u1ea5t t\u1ed1t \u0111\u1ec3 t\u00ecm th\u1ea5y h\u01a1i h\u1eefu c\u01a1 v\u00e0 kh\u00ed nh\u00e0 k\u00ednh nh\u01b0 CO \u2082, CH\u2084, v\u00e0 kh\u00f4ng \u2093.<\/p>\n
M\u00e1y quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i bi\u1ebfn \u0111\u1ed5i Fourier (FTIR) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Ch\u00fang cung c\u1ea5p: \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t h\u01a1n, qu\u00e9t nhanh h\u01a1n, \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ea3i thi\u1ec7n<\/p>\n
FTIR8000<\/u><\/strong><\/a> V\u00e0 FTIR8100<\/strong><\/a> b\u1edfi PERSEE<\/strong><\/a> cung c\u1ea5p c\u00f4ng vi\u1ec7c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u1eefng ch\u1eafc cho nhi\u1ec1u nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch kh\u00ed.<\/p>\nQuang ph\u1ed5 si\u00eau t\u00edm (UV-Vis) trong m\u00f4i tr\u01b0\u1eddng kh\u00ed<\/strong><\/h3>\nPh\u1ed5 quang h\u1ecdc UV-Vis ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u00ed cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong ph\u1ea1m vi UV v\u00e0 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. V\u00ed d\u1ee5: Ozone (O) \u2083), Nit\u01a1 dioxide (NO) \u2082), v\u00e0 sulfur dioxide (SO) \u2082). \u0110\u1ec3 ph\u00e1t hi\u1ec7n pha kh\u00ed \u0111\u00fang, thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng c\u1ea7n ph\u1ea3i ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y tr\u00e1nh s\u1ef1 ch\u1ed3ng ch\u00e9o quang ph\u1ed5. M\u00e1y qu\u00e9t quang ph\u1ed5 TU700 UV \/ Vis c\u1ee7a PERSEE c\u00f3 t\u1ed1c \u0111\u1ed9 qu\u00e9t 30.000 nm \/ ph\u00fat. N\u00f3 ho\u00e0n th\u00e0nh qu\u00e9t quang ph\u1ed5 ch\u1ec9 trong 2 gi\u00e2y. V\u00ec v\u1eady, n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t kh\u1ed1i l\u01b0\u1ee3ng cao. Ngo\u00e0i ra, m\u00e1y quang ph\u1ed5 UV-Vis T8DCS s\u1eed d\u1ee5ng m\u1ed9t Czerny-Turner Monochromator v\u1edbi m\u1ed9t l\u01b0\u1edbi holographic. Thi\u1ebft l\u1eadp n\u00e0y c\u1eaft gi\u1ea3m \u00e1nh s\u00e1ng l\u1ea1c l\u00f9ng v\u00e0 cung c\u1ea5p \u0111\u1ed9 r\u00f5 quang h\u1ecdc t\u1ed1t.<\/p>\n
Ph\u00e2n ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS) \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n kh\u00ed<\/strong><\/h3>\nPh\u1ed5 \u0111o kh\u1ed1i l\u01b0\u1ee3ng t\u1ecfa s\u00e1ng v\u1edbi \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u00e0 s\u1ee9c m\u1ea1nh cao nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn \u1edf m\u1ee9c d\u1ea5u v\u1ebft. M\u1eabu b\u1ecb ion h\u00f3a v\u00e0 ph\u00e1 v\u1ee1, th\u01b0\u1eddng do m\u1ed9t ngu\u1ed3n ion t\u00e1c \u0111\u1ed9ng \u0111i\u1ec7n t\u1eed. Nhi\u1ec1u c\u00fa \u0111\u00e1nh l\u00e0m cho c\u00e1c ion t\u00e1ch ra. Sau \u0111\u00f3, c\u00e1c ion \u0111i v\u00e0o m\u1ed9t m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng. \u1ede \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo gi\u00e1 tr\u1ecb m \/ z, ho\u1eb7c t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c. Trong quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed (GC-MS), MS c\u1ea3i thi\u1ec7n ph\u00e1t hi\u1ec7n h\u1ee3p ch\u1ea5t sau khi t\u00e1ch b\u1eb1ng nhi\u1ec5m s\u1eafc. H\u1ec7 th\u1ed1ng GC-MS b\u1ed1n c\u1ef1c \u0111\u01a1n M7 c\u1ee7a PERSEE cho ph\u00e9p li\u00ean k\u1ebft nh\u01b0 v\u1eady \u0111\u1ec3 t\u1ea1o h\u1ed3 s\u01a1 trang \u0111i\u1ec3m kh\u00ed ch\u00ednh x\u00e1c.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft b\u1ecb c\u1ee7a m\u1ed9t m\u00e1y \u0111o ph\u1ed5 kh\u00ed<\/strong><\/h2>\n <\/p>\n
![\"M7](\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/12\/M7-Single-Quadrupole-GC-MS-3.webp\")
<\/div>\nS\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y ph\u1ed5 kh\u00ed n\u00e0o kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n c\u1ee7a n\u00f3 m\u00e0 c\u00f2n t\u1eeb c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng.<\/p>\n
H\u1ec7 th\u1ed1ng quang h\u1ecdc v\u00e0 m\u00e1y d\u00f2<\/strong><\/h3>\nThi\u1ebft l\u1eadp \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 s\u1eafc n\u00e9t. C\u00e1c m\u00e1y d\u00f2 r\u1ea5t quan tr\u1ecdng. Ch\u00fang bi\u1ebfn c\u00e1c photon ho\u1eb7c ion \u0111\u1ebfn th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o khu v\u1ef1c quang ph\u1ed5: photodiode ho\u1ea1t \u0111\u1ed9ng cho ph\u00e1t hi\u1ec7n UV-Vis. bolometers ho\u1eb7c thermocouples x\u1eed l\u00fd IR. \u1ed1ng photomultiplier (PMTs) \u0111\u01b0\u1ee3c ch\u1ecdn cho ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd c\u1ee7a h\u1ecd trong \u00e1nh s\u00e1ng m\u1edd. C\u00e1c T8DCS<\/strong><\/a> s\u1eed d\u1ee5ng \u1ed1ng photomultiplier l\u00e0m m\u00e1y d\u00f2. N\u00f3 mang l\u1ea1i s\u1ef1 nh\u1ea1y c\u1ea3m \u0111\u1eb7c bi\u1ec7t.<\/p>\nM\u00f4-\u0111un gi\u1edbi thi\u1ec7u v\u00e0 \u0111i\u1ec1u h\u00f2a m\u1eabu<\/strong><\/h3>\nGi\u1eef ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu l\u00e0 ch\u00eca kh\u00f3a. Kh\u00ed t\u1eeb kh\u00f4ng kh\u00ed ho\u1eb7c d\u00f2ng ch\u1ea3y qu\u00e1 tr\u00ecnh th\u01b0\u1eddng c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi ph\u00e2n t\u00edch. N\u00f3 bao g\u1ed3m b\u1ed9 l\u1ecdc l\u00e0m s\u1ea1ch c\u00e1c h\u1ea1t, ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh d\u00f2ng ch\u1ea3y, c\u00e1c \u0111\u01a1n v\u1ecb nhi\u1ec7t \u0111\u1ed9 ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 ho\u1eb7c ph\u00e1 h\u1ee7y \u0111\u1ed9 \u1ea9m. Nh\u1eefng thi\u1ebft l\u1eadp n\u00e0y l\u00e0m cho k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. H\u1ecd c\u0169ng ch\u1eb7n l\u1ed7i t\u1eeb b\u1ee5i b\u1ea9n ho\u1eb7c l\u1eabn l\u1ed9n.<\/p>\n
H\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n v\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/strong><\/h3>\nVi\u1ec7c \u0111o \u0111\u00fang d\u1ef1a v\u00e0o hi\u1ec7u chu\u1ea9n t\u1ed1t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u1eed d\u1ee5ng kh\u00ed hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ee9c ph\u1ea3n \u1ee9ng, c\u00e1c t\u1ebf b\u00e0o tham chi\u1ebfu \u0111\u1ec3 s\u1eeda ch\u1eefa \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u, c\u00e1c quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng cho c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i kh\u00ed th\u1ea3i li\u00ean t\u1ee5c (CEMS) Ch\u00fang li\u00ean k\u1ebft tr\u1edf l\u1ea1i v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n th\u1ebf gi\u1edbi v\u00e0 gi\u1eef cho m\u1ecdi th\u1ee9 \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n
C\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ph\u00e2n t\u00edch<\/strong><\/h2>\nB\u00ean c\u1ea1nh vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u1ecbnh h\u00ecnh m\u1ee9c \u0111\u1ed9 \u0111\u1ecdc quang ph\u1ed5 kh\u00ed \u0111\u00e1ng tin c\u1eady.<\/p>\n
Nh\u1ea1y c\u1ea3m v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n trong quang ph\u1ed5 kh\u00ed<\/strong><\/h3>\n\u0110\u1ed9 nh\u1ea1y c\u1ea3m \u0111\u1ebfn t\u1eeb hi\u1ec7u su\u1ea5t m\u00e1y d\u00f2, k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc, gi\u1ea3m ti\u1ebfng \u1ed3n n\u1ec1n, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n th\u1ea5p h\u01a1n quan tr\u1ecdng cho ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng ho\u1eb7c t\u00ecm ki\u1ebfm kh\u00ed c\u00f3 h\u1ea1i. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 GC \/ MS c\u00f3 th\u1ec3 t\u0103ng m\u1ee9c xu\u1ed1ng \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean m\u1ed9t ngh\u00ecn t\u1ef7.<\/p>\n
Ch\u1ecdn l\u1ef1a \u0111\u1ed1i v\u1edbi kh\u00ed m\u1ee5c ti\u00eau gi\u1eefa ma tr\u1eadn ph\u1ee9c t\u1ea1p<\/strong><\/h3>\nS\u1ef1 ch\u1ecdn l\u1ecdc \u0111\u1ea3m b\u1ea3o \u0111\u1ecdc ch\u00ednh x\u00e1c ngay c\u1ea3 trong h\u1ed7n h\u1ee3p. C\u00e1c c\u00e1ch l\u00e0m \u0111i\u1ec1u n\u00e0y bao g\u1ed3m b\u1ed9 l\u1ecdc quang ph\u1ed5 ch\u1eb7t ch\u1ebd, m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng chi ti\u1ebft cao, s\u1eeda ch\u1eefa cho s\u1ef1 ch\u1ed3ng ch\u00e9o th\u00f4ng qua c\u00e1c b\u01b0\u1edbc to\u00e1n h\u1ecdc, m\u00e1y d\u00f2 l\u1ef1a ch\u1ecdn kh\u1ed1i l\u01b0\u1ee3ng ph\u00e1t hi\u1ec7n c\u00e1c b\u1ed9 ph\u1eadn t\u1eeb quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. Khi k\u1ebft h\u1ee3p v\u1edbi GC, n\u00f3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 m\u1ea1nh nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/p>\n
Th\u1eddi gian ph\u1ea3n \u1ee9ng v\u00e0 \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\nTh\u1eddi gian ph\u1ea3n \u1ee9ng nhanh l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong vi\u1ec7c thay \u0111\u1ed5i c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng nh\u00e0 m\u00e1y. S\u1ef1 \u1ed5n \u0111\u1ecbnh gi\u1eef cho c\u00f4ng vi\u1ec7c ngay c\u1ea3 khi thay \u0111\u1ed5i nhi\u1ec7t ho\u1eb7c \u00e1p su\u1ea5t. TU700 c\u00f3 ph\u1ea1m vi h\u1ea5p th\u1ee5 -4 \u0111\u1ebfn 4 Abs. N\u00f3 qu\u1ea3n l\u00fd c\u00e1c m\u1eabu n\u1ed3ng \u0111\u1ed9 cao trong c\u00e1c thi\u1ebft l\u1eadp kh\u00e1c nhau.<\/p>\n
T\u00edch h\u1ee3p v\u1edbi c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/h2>\nC\u00e1c m\u00e1y quang ph\u1ed5 kh\u00ed c\u1ea7n ph\u00f9 h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c quy tr\u00ecnh l\u1edbn h\u01a1n \u0111\u1ec3 c\u00f3 \u00edch trong cu\u1ed9c s\u1ed1ng th\u1ef1c.<\/p>\n
K\u1ebft n\u1ed1i v\u1edbi k\u1ef9 thu\u1eadt nhi\u1ec5m s\u1eafc (GC-MS, GC-FID)<\/strong><\/h3>\nNhi\u1ec7t s\u1eafc ph\u00e2n chia c\u00e1c h\u1ee3p ch\u1ea5t tr\u01b0\u1edbc khi ki\u1ec3m tra quang ph\u1ed5. Nhi\u1ec7t s\u1eafc kh\u00ed (GC) chia c\u00e1c ph\u1ea7n c\u1ee7a m\u1ed9t h\u1ed7n h\u1ee3p. Sau \u0111\u00f3, m\u1ed7i ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean v\u00e0 \u0111o l\u01b0\u1eddng.<\/p>\n
GC G5 c\u1ee7a PERSEE ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn cho c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 ki\u1ec3m tra VOC ho\u1eb7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nh\u00e0 m\u00e1y.<\/p>\n
Vai tr\u00f2 trong h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u00e1t th\u1ea3i li\u00ean t\u1ee5c (CEMS) v\u00e0 ph\u00e2n t\u00edch quy tr\u00ecnh (PAT)<\/strong><\/h3>\nC\u00e1c m\u00e1y \u0111o ph\u1ed5 t\u00edch h\u1ee3p trong CEMS cung c\u1ea5p d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp cho quy t\u1eafc theo. Trong thi\u1ebft l\u1eadp PAT, c\u00e1c v\u00f2ng tr\u00f2n ph\u1ea3n h\u1ed3i \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t qu\u00e1 tr\u00ecnh ngay l\u1eadp t\u1ee9c. C\u00e1c c\u00f4ng c\u1ee5 PERSEE li\u00ean k\u1ebft v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng SCADA. H\u1ecd g\u1eedi c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng v\u00e0 d\u1eef li\u1ec7u nh\u1eadt k\u00fd. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y lu\u1ed3ng c\u00f4ng vi\u1ec7c.<\/p>\n
PERSEE: M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady c\u1ee7a c\u00e1c d\u1ee5ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn<\/strong><\/h2>\nPERSEE \u0111\u00e3 ph\u00e1t tri\u1ec3n nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i h\u00e0ng \u0111\u1ea7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi trong c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch. N\u00f3 c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho nhu c\u1ea7u khoa h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n
T\u1ed5ng quan v\u1ec1 kh\u1ea3 n\u0103ng c\u00f4ng ngh\u1ec7 c\u1ee7a PERSEE<\/strong><\/h3>\nPERSEE l\u00e0 m\u1ed9t c\u00f4ng ty c\u00f4ng ngh\u1ec7 cao m\u1edbi \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1991. H\u01a1n 30% nh\u00e2n vi\u00ean t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n. PERSEE nh\u1ea5n m\u1ea1nh c\u00e1c \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 khoa h\u1ecdc c\u1ea9n th\u1eadn trong c\u00e1c nh\u00f3m s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. C\u00e1c s\u1ea3n ph\u1ea9m bao g\u1ed3m FTIR, GC, AAS, UV-VIS, c\u00f4ng c\u1ee5 tia X v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c.<\/p>\n
M\u00e1y ph\u00e2n t\u00edch kh\u00ed FTIR M7<\/strong><\/p>\nN\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ki\u1ec3m tra nhi\u1ec1u lo\u1ea1i kh\u00ed v\u1edbi c\u00f4ng ngh\u1ec7 FTIR chi ti\u1ebft cao. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ki\u1ec3m tra ph\u00e1t th\u1ea3i m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u00e0 m\u00e1y.<\/p>\n
M\u00e1y ch\u1ee5p s\u1eafc t\u1ed1 kh\u00ed G5GC<\/strong><\/h4>\nN\u00f3 \u0111i k\u00e8m v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c VOC trong ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ho\u1eb7c ki\u1ec3m so\u00e1t nh\u00e0 m\u00e1y.<\/p>\n
C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \u0111\u01b0\u1ee3c bao g\u1ed3m trong c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n quang ph\u1ed5 kh\u00ed<\/strong><\/h2>\nPh\u1ed5 \u0111o kh\u00ed s\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft c\u01a1 b\u1ea3n gi\u1eefa c\u00e1c ph\u00e2n t\u1eed kh\u00ed v\u00e0 c\u00e1c lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng nh\u01b0 \u00e1nh s\u00e1ng ho\u1eb7c ion. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p - IR, UV-Vis, MS - mang l\u1ea1i \u0111i\u1ec3m m\u1ea1nh \u0111\u1eb7c bi\u1ec7t. Ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c ch\u1ea5t m\u1ee5c ti\u00eau, kh\u00f3 kh\u0103n pha tr\u1ed9n v\u00e0 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng. Vai tr\u00f2 c\u1ee7a n\u00f3 bao g\u1ed3m c\u00e1c l\u0129nh v\u1ef1c t\u1eeb c\u00f4ng vi\u1ec7c m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn s\u1ea3n xu\u1ea5t ma t\u00fay. \u0110i\u1ec1u n\u00e0y l\u00e0 do \u0111\u1ed9 ch\u00ednh x\u00e1c, t\u1ed1c \u0111\u1ed9, linh ho\u1ea1t v\u00e0 ph\u00f9 h\u1ee3p \u0111\u01a1n gi\u1ea3n v\u1edbi c\u00e1c quy tr\u00ecnh hi\u1ec7n t\u1ea1i.<\/p>\n
PERSEE l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t v\u00e0 b\u00e1n c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn t\u1eeb n\u0103m 1991. V\u1edbi c\u00e1c ph\u00ea duy\u1ec7t nh\u01b0 ISO9001, ISO14001, OHSAS18001 v\u00e0 \u0111\u00e1nh d\u1ea5u CE, PERSEE gi\u1eef ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. B\u1ed9 s\u1ea3n ph\u1ea9m r\u1ed9ng c\u1ee7a n\u00f3 bao g\u1ed3m m\u00e1y quang ph\u1ed5 UV-VIS nh\u01b0 TU700<\/strong><\/a> v\u00e0 lo\u1ea1t T8DCS, h\u1ec7 th\u1ed1ng FTIR, m\u00e1y nhi\u1ec5m s\u1eafc kh\u00ed nh\u01b0 G5GC<\/strong><\/a>v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1o d\u1ee5c, m\u00f4i tr\u01b0\u1eddng, d\u01b0\u1ee3c ph\u1ea9m, n\u00f4ng nghi\u1ec7p, h\u00f3a d\u1ea7u v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\nC\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h3>\nQ1: Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t khi ch\u1ecdn m\u1ed9t m\u00e1y ph\u1ed5 kh\u00ed?
\n<\/strong>A1: L\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ch\u1ea5t, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n c\u1ea7n thi\u1ebft, kh\u00f3 tr\u1ed9n, nhu c\u1ea7u \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \/ \u00e1p su\u1ea5t, ti\u00eau chu\u1ea9n quy t\u1eafc v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft l\u1eadp ph\u00e2n t\u00edch hi\u1ec7n t\u1ea1i.<\/p>\nQ2: FTIR kh\u00e1c v\u1edbi quang ph\u1ed5 UV trong ph\u00e2n t\u00edch kh\u00ed nh\u01b0 th\u1ebf n\u00e0o?
\n<\/strong>A2: FTIR ki\u1ec3m tra rung ph\u00e2n t\u1eed v\u1edbi \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i trung. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eefu c\u01a1. Ph\u1ed5 quang c\u1ef1c t\u00edm nh\u00ecn v\u00e0o s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong c\u00e1c kh\u00ed v\u00f4 c\u01a1 nh\u01b0 ozone ho\u1eb7c nitrogen dioxide.<\/p>\nQ3: M\u00e1y quang ph\u1ed5 kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c kh\u00f4ng?
\n<\/strong>A3: V\u00e2ng. C\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7n \u0111\u1ea1i t\u1eeb PERSEE cho ph\u00e9p c\u00e1c bi\u1ec7n ph\u00e1p li\u00ean t\u1ee5c v\u1edbi th\u1eddi gian ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng th\u1eddi gian th\u1ef1c nh\u01b0 c\u00e1c quy tr\u00ecnh CEMS ho\u1eb7c PAT.<\/p>","protected":false},"excerpt":{"rendered":" Ph\u1ed5 \u0111o kh\u00ed l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a khoa h\u1ecdc ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i. N\u00f3 cung c\u1ea5p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c, nhanh ch\u00f3ng v\u00e0 c\u00f3 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t kh\u00ed trong nhi\u1ec1u l\u0129nh v\u1ef1c. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y s\u1eed d\u1ee5ng c\u00e1ch c\u00e1c h\u1ea1t \u00e1nh s\u00e1ng ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ph\u00e2n t\u1eed kh\u00ed. K\u1ebft n\u1ed1i n\u00e0y cung c\u1ea5p c\u00e1c chi ti\u1ebft r\u00f5 r\u00e0ng v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. Vai tr\u00f2 c\u1ee7a quang ph\u1ed5 trong ph\u00e2n t\u00edch kh\u00ed C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a kh\u00ed […]<\/p>","protected":false},"author":1,"featured_media":4220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-4224","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\/4224","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=4224"}],"version-history":[{"count":2,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions"}],"predecessor-version":[{"id":4228,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions\/4228"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4220"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4224"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Tr\u01b0\u1edbc khi xem x\u00e9t c\u00e1c k\u1ef9 thu\u1eadt, n\u00f3 gi\u00fap n\u1eafm b\u1eaft c\u00e1c c\u00e1ch ph\u00e1t hi\u1ec7n c\u01a1 b\u1ea3n h\u1ed7 tr\u1ee3 c\u00e1c m\u00e1y ph\u1ed5 kh\u00ed: H\u1ea5p th\u1ee5: C\u00e1c ph\u00e2n t\u1eed c\u00f3 b\u01b0\u1edbc s\u00f3ng b\u1ee9c x\u1ea1 nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y thay \u0111\u1ed5i s\u1ee9c m\u1ea1nh c\u1ee7a \u00e1nh s\u00e1ng \u0111i qua. Ph\u00e1t th\u1ea3i: C\u00e1c ph\u00e2n t\u1eed b\u1ecb k\u00edch th\u00edch ph\u00e1t ra n\u0103ng l\u01b0\u1ee3ng khi ch\u00fang gi\u1ea3m xu\u1ed1ng m\u1ee9c n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n. Ph\u00e2n t\u00e1n: B\u1ee9c x\u1ea1 \u0111\u1ebfn nh\u1ea3y ra c\u00e1c ph\u00e2n t\u1eed theo c\u00e1c h\u01b0\u1edbng v\u00e0 s\u1ee9c m\u1ea1nh kh\u00e1c nhau.<\/p>\n
C\u00e1c ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 kh\u00e1c nhau s\u1eed d\u1ee5ng c\u00e1c c\u00e1ch n\u00e0y v\u1edbi m\u1ed9t s\u1ed1 ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh c\u1ee7a ph\u1ed5 \u0111i\u1ec7n t\u1eeb ho\u1eb7c c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c s\u1ea1c. V\u00ed d\u1ee5: H\u1ed3ng ngo\u1ea1i (IR) nh\u1eafm \u0111\u1ebfn rung ph\u00e2n t\u1eed. UV-Visible (UV-Vis) \u0111\u1ed1i ph\u00f3 v\u1edbi chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n t\u1eed. Mass Spectrometry (MS) ph\u00e2n lo\u1ea1i ion theo t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c. C\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 hi\u1ec7u chu\u1ea9n t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c. H\u1ecd s\u1eeda ch\u1eefa c\u00e1c v\u1ea5n \u0111\u1ec1 t\u1eeb thay \u0111\u1ed5i d\u1ee5ng c\u1ee5 v\u00e0 hi\u1ec7u \u1ee9ng b\u00ean ngo\u00e0i.<\/p>\n
C\u00e1c lo\u1ea1i k\u1ef9 thu\u1eadt quang ph\u1ed5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e2n t\u00edch kh\u00ed<\/strong><\/h2>\nCh\u1ecdn k\u1ef9 thu\u1eadt quang ph\u1ed5 ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t m\u1ee5c ti\u00eau’ \u0111\u1eb7c \u0111i\u1ec3m ph\u00e2n t\u1eed s. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u00e0ng d\u1ef1a tr\u00ean \u0111\u1ed9 nh\u1ea1y c\u1ea3m, l\u1ef1a ch\u1ecdn v\u00e0 thi\u1ebft l\u1eadp c\u00f4ng vi\u1ec7c.<\/p>\n
Quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i (IR) \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00ed<\/strong><\/h3>\nPh\u1ed5 quang h\u1ed3ng ngo\u1ea1i ho\u1ea1t \u0111\u1ed9ng tr\u00ean \u00fd t\u01b0\u1edfng r\u1eb1ng c\u00e1c ph\u00e2n t\u1eed h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i v\u1edbi t\u1ed1c \u0111\u1ed9 rung \u0111i\u1ec3n h\u00ecnh. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 r\u1ea5t t\u1ed1t \u0111\u1ec3 t\u00ecm th\u1ea5y h\u01a1i h\u1eefu c\u01a1 v\u00e0 kh\u00ed nh\u00e0 k\u00ednh nh\u01b0 CO \u2082, CH\u2084, v\u00e0 kh\u00f4ng \u2093.<\/p>\n
M\u00e1y quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i bi\u1ebfn \u0111\u1ed5i Fourier (FTIR) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Ch\u00fang cung c\u1ea5p: \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t h\u01a1n, qu\u00e9t nhanh h\u01a1n, \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ea3i thi\u1ec7n<\/p>\n
FTIR8000<\/u><\/strong><\/a> V\u00e0 FTIR8100<\/strong><\/a> b\u1edfi PERSEE<\/strong><\/a> cung c\u1ea5p c\u00f4ng vi\u1ec7c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u1eefng ch\u1eafc cho nhi\u1ec1u nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch kh\u00ed.<\/p>\nQuang ph\u1ed5 si\u00eau t\u00edm (UV-Vis) trong m\u00f4i tr\u01b0\u1eddng kh\u00ed<\/strong><\/h3>\nPh\u1ed5 quang h\u1ecdc UV-Vis ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u00ed cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong ph\u1ea1m vi UV v\u00e0 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. V\u00ed d\u1ee5: Ozone (O) \u2083), Nit\u01a1 dioxide (NO) \u2082), v\u00e0 sulfur dioxide (SO) \u2082). \u0110\u1ec3 ph\u00e1t hi\u1ec7n pha kh\u00ed \u0111\u00fang, thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng c\u1ea7n ph\u1ea3i ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y tr\u00e1nh s\u1ef1 ch\u1ed3ng ch\u00e9o quang ph\u1ed5. M\u00e1y qu\u00e9t quang ph\u1ed5 TU700 UV \/ Vis c\u1ee7a PERSEE c\u00f3 t\u1ed1c \u0111\u1ed9 qu\u00e9t 30.000 nm \/ ph\u00fat. N\u00f3 ho\u00e0n th\u00e0nh qu\u00e9t quang ph\u1ed5 ch\u1ec9 trong 2 gi\u00e2y. V\u00ec v\u1eady, n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t kh\u1ed1i l\u01b0\u1ee3ng cao. Ngo\u00e0i ra, m\u00e1y quang ph\u1ed5 UV-Vis T8DCS s\u1eed d\u1ee5ng m\u1ed9t Czerny-Turner Monochromator v\u1edbi m\u1ed9t l\u01b0\u1edbi holographic. Thi\u1ebft l\u1eadp n\u00e0y c\u1eaft gi\u1ea3m \u00e1nh s\u00e1ng l\u1ea1c l\u00f9ng v\u00e0 cung c\u1ea5p \u0111\u1ed9 r\u00f5 quang h\u1ecdc t\u1ed1t.<\/p>\n
Ph\u00e2n ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS) \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n kh\u00ed<\/strong><\/h3>\nPh\u1ed5 \u0111o kh\u1ed1i l\u01b0\u1ee3ng t\u1ecfa s\u00e1ng v\u1edbi \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u00e0 s\u1ee9c m\u1ea1nh cao nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn \u1edf m\u1ee9c d\u1ea5u v\u1ebft. M\u1eabu b\u1ecb ion h\u00f3a v\u00e0 ph\u00e1 v\u1ee1, th\u01b0\u1eddng do m\u1ed9t ngu\u1ed3n ion t\u00e1c \u0111\u1ed9ng \u0111i\u1ec7n t\u1eed. Nhi\u1ec1u c\u00fa \u0111\u00e1nh l\u00e0m cho c\u00e1c ion t\u00e1ch ra. Sau \u0111\u00f3, c\u00e1c ion \u0111i v\u00e0o m\u1ed9t m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng. \u1ede \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo gi\u00e1 tr\u1ecb m \/ z, ho\u1eb7c t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c. Trong quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed (GC-MS), MS c\u1ea3i thi\u1ec7n ph\u00e1t hi\u1ec7n h\u1ee3p ch\u1ea5t sau khi t\u00e1ch b\u1eb1ng nhi\u1ec5m s\u1eafc. H\u1ec7 th\u1ed1ng GC-MS b\u1ed1n c\u1ef1c \u0111\u01a1n M7 c\u1ee7a PERSEE cho ph\u00e9p li\u00ean k\u1ebft nh\u01b0 v\u1eady \u0111\u1ec3 t\u1ea1o h\u1ed3 s\u01a1 trang \u0111i\u1ec3m kh\u00ed ch\u00ednh x\u00e1c.<\/p>\n
C\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft b\u1ecb c\u1ee7a m\u1ed9t m\u00e1y \u0111o ph\u1ed5 kh\u00ed<\/strong><\/h2>\n <\/p>\n
<\/div>\nS\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y ph\u1ed5 kh\u00ed n\u00e0o kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n c\u1ee7a n\u00f3 m\u00e0 c\u00f2n t\u1eeb c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng.<\/p>\n
H\u1ec7 th\u1ed1ng quang h\u1ecdc v\u00e0 m\u00e1y d\u00f2<\/strong><\/h3>\nThi\u1ebft l\u1eadp \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 s\u1eafc n\u00e9t. C\u00e1c m\u00e1y d\u00f2 r\u1ea5t quan tr\u1ecdng. Ch\u00fang bi\u1ebfn c\u00e1c photon ho\u1eb7c ion \u0111\u1ebfn th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o khu v\u1ef1c quang ph\u1ed5: photodiode ho\u1ea1t \u0111\u1ed9ng cho ph\u00e1t hi\u1ec7n UV-Vis. bolometers ho\u1eb7c thermocouples x\u1eed l\u00fd IR. \u1ed1ng photomultiplier (PMTs) \u0111\u01b0\u1ee3c ch\u1ecdn cho ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd c\u1ee7a h\u1ecd trong \u00e1nh s\u00e1ng m\u1edd. C\u00e1c T8DCS<\/strong><\/a> s\u1eed d\u1ee5ng \u1ed1ng photomultiplier l\u00e0m m\u00e1y d\u00f2. N\u00f3 mang l\u1ea1i s\u1ef1 nh\u1ea1y c\u1ea3m \u0111\u1eb7c bi\u1ec7t.<\/p>\nM\u00f4-\u0111un gi\u1edbi thi\u1ec7u v\u00e0 \u0111i\u1ec1u h\u00f2a m\u1eabu<\/strong><\/h3>\nGi\u1eef ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu l\u00e0 ch\u00eca kh\u00f3a. Kh\u00ed t\u1eeb kh\u00f4ng kh\u00ed ho\u1eb7c d\u00f2ng ch\u1ea3y qu\u00e1 tr\u00ecnh th\u01b0\u1eddng c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi ph\u00e2n t\u00edch. N\u00f3 bao g\u1ed3m b\u1ed9 l\u1ecdc l\u00e0m s\u1ea1ch c\u00e1c h\u1ea1t, ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh d\u00f2ng ch\u1ea3y, c\u00e1c \u0111\u01a1n v\u1ecb nhi\u1ec7t \u0111\u1ed9 ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 ho\u1eb7c ph\u00e1 h\u1ee7y \u0111\u1ed9 \u1ea9m. Nh\u1eefng thi\u1ebft l\u1eadp n\u00e0y l\u00e0m cho k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. H\u1ecd c\u0169ng ch\u1eb7n l\u1ed7i t\u1eeb b\u1ee5i b\u1ea9n ho\u1eb7c l\u1eabn l\u1ed9n.<\/p>\n
H\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n v\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/strong><\/h3>\nVi\u1ec7c \u0111o \u0111\u00fang d\u1ef1a v\u00e0o hi\u1ec7u chu\u1ea9n t\u1ed1t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u1eed d\u1ee5ng kh\u00ed hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ee9c ph\u1ea3n \u1ee9ng, c\u00e1c t\u1ebf b\u00e0o tham chi\u1ebfu \u0111\u1ec3 s\u1eeda ch\u1eefa \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u, c\u00e1c quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng cho c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i kh\u00ed th\u1ea3i li\u00ean t\u1ee5c (CEMS) Ch\u00fang li\u00ean k\u1ebft tr\u1edf l\u1ea1i v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n th\u1ebf gi\u1edbi v\u00e0 gi\u1eef cho m\u1ecdi th\u1ee9 \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n
C\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ph\u00e2n t\u00edch<\/strong><\/h2>\nB\u00ean c\u1ea1nh vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u1ecbnh h\u00ecnh m\u1ee9c \u0111\u1ed9 \u0111\u1ecdc quang ph\u1ed5 kh\u00ed \u0111\u00e1ng tin c\u1eady.<\/p>\n
Nh\u1ea1y c\u1ea3m v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n trong quang ph\u1ed5 kh\u00ed<\/strong><\/h3>\n\u0110\u1ed9 nh\u1ea1y c\u1ea3m \u0111\u1ebfn t\u1eeb hi\u1ec7u su\u1ea5t m\u00e1y d\u00f2, k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc, gi\u1ea3m ti\u1ebfng \u1ed3n n\u1ec1n, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n th\u1ea5p h\u01a1n quan tr\u1ecdng cho ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng ho\u1eb7c t\u00ecm ki\u1ebfm kh\u00ed c\u00f3 h\u1ea1i. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 GC \/ MS c\u00f3 th\u1ec3 t\u0103ng m\u1ee9c xu\u1ed1ng \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean m\u1ed9t ngh\u00ecn t\u1ef7.<\/p>\n
Ch\u1ecdn l\u1ef1a \u0111\u1ed1i v\u1edbi kh\u00ed m\u1ee5c ti\u00eau gi\u1eefa ma tr\u1eadn ph\u1ee9c t\u1ea1p<\/strong><\/h3>\nS\u1ef1 ch\u1ecdn l\u1ecdc \u0111\u1ea3m b\u1ea3o \u0111\u1ecdc ch\u00ednh x\u00e1c ngay c\u1ea3 trong h\u1ed7n h\u1ee3p. C\u00e1c c\u00e1ch l\u00e0m \u0111i\u1ec1u n\u00e0y bao g\u1ed3m b\u1ed9 l\u1ecdc quang ph\u1ed5 ch\u1eb7t ch\u1ebd, m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng chi ti\u1ebft cao, s\u1eeda ch\u1eefa cho s\u1ef1 ch\u1ed3ng ch\u00e9o th\u00f4ng qua c\u00e1c b\u01b0\u1edbc to\u00e1n h\u1ecdc, m\u00e1y d\u00f2 l\u1ef1a ch\u1ecdn kh\u1ed1i l\u01b0\u1ee3ng ph\u00e1t hi\u1ec7n c\u00e1c b\u1ed9 ph\u1eadn t\u1eeb quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. Khi k\u1ebft h\u1ee3p v\u1edbi GC, n\u00f3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 m\u1ea1nh nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/p>\n
Th\u1eddi gian ph\u1ea3n \u1ee9ng v\u00e0 \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\nTh\u1eddi gian ph\u1ea3n \u1ee9ng nhanh l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong vi\u1ec7c thay \u0111\u1ed5i c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng nh\u00e0 m\u00e1y. S\u1ef1 \u1ed5n \u0111\u1ecbnh gi\u1eef cho c\u00f4ng vi\u1ec7c ngay c\u1ea3 khi thay \u0111\u1ed5i nhi\u1ec7t ho\u1eb7c \u00e1p su\u1ea5t. TU700 c\u00f3 ph\u1ea1m vi h\u1ea5p th\u1ee5 -4 \u0111\u1ebfn 4 Abs. N\u00f3 qu\u1ea3n l\u00fd c\u00e1c m\u1eabu n\u1ed3ng \u0111\u1ed9 cao trong c\u00e1c thi\u1ebft l\u1eadp kh\u00e1c nhau.<\/p>\n
T\u00edch h\u1ee3p v\u1edbi c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/h2>\nC\u00e1c m\u00e1y quang ph\u1ed5 kh\u00ed c\u1ea7n ph\u00f9 h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c quy tr\u00ecnh l\u1edbn h\u01a1n \u0111\u1ec3 c\u00f3 \u00edch trong cu\u1ed9c s\u1ed1ng th\u1ef1c.<\/p>\n
K\u1ebft n\u1ed1i v\u1edbi k\u1ef9 thu\u1eadt nhi\u1ec5m s\u1eafc (GC-MS, GC-FID)<\/strong><\/h3>\nNhi\u1ec7t s\u1eafc ph\u00e2n chia c\u00e1c h\u1ee3p ch\u1ea5t tr\u01b0\u1edbc khi ki\u1ec3m tra quang ph\u1ed5. Nhi\u1ec7t s\u1eafc kh\u00ed (GC) chia c\u00e1c ph\u1ea7n c\u1ee7a m\u1ed9t h\u1ed7n h\u1ee3p. Sau \u0111\u00f3, m\u1ed7i ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean v\u00e0 \u0111o l\u01b0\u1eddng.<\/p>\n
GC G5 c\u1ee7a PERSEE ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn cho c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 ki\u1ec3m tra VOC ho\u1eb7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nh\u00e0 m\u00e1y.<\/p>\n
Vai tr\u00f2 trong h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u00e1t th\u1ea3i li\u00ean t\u1ee5c (CEMS) v\u00e0 ph\u00e2n t\u00edch quy tr\u00ecnh (PAT)<\/strong><\/h3>\nC\u00e1c m\u00e1y \u0111o ph\u1ed5 t\u00edch h\u1ee3p trong CEMS cung c\u1ea5p d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp cho quy t\u1eafc theo. Trong thi\u1ebft l\u1eadp PAT, c\u00e1c v\u00f2ng tr\u00f2n ph\u1ea3n h\u1ed3i \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t qu\u00e1 tr\u00ecnh ngay l\u1eadp t\u1ee9c. C\u00e1c c\u00f4ng c\u1ee5 PERSEE li\u00ean k\u1ebft v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng SCADA. H\u1ecd g\u1eedi c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng v\u00e0 d\u1eef li\u1ec7u nh\u1eadt k\u00fd. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y lu\u1ed3ng c\u00f4ng vi\u1ec7c.<\/p>\n
PERSEE: M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady c\u1ee7a c\u00e1c d\u1ee5ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn<\/strong><\/h2>\nPERSEE \u0111\u00e3 ph\u00e1t tri\u1ec3n nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i h\u00e0ng \u0111\u1ea7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi trong c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch. N\u00f3 c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho nhu c\u1ea7u khoa h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n
T\u1ed5ng quan v\u1ec1 kh\u1ea3 n\u0103ng c\u00f4ng ngh\u1ec7 c\u1ee7a PERSEE<\/strong><\/h3>\nPERSEE l\u00e0 m\u1ed9t c\u00f4ng ty c\u00f4ng ngh\u1ec7 cao m\u1edbi \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1991. H\u01a1n 30% nh\u00e2n vi\u00ean t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n. PERSEE nh\u1ea5n m\u1ea1nh c\u00e1c \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 khoa h\u1ecdc c\u1ea9n th\u1eadn trong c\u00e1c nh\u00f3m s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. C\u00e1c s\u1ea3n ph\u1ea9m bao g\u1ed3m FTIR, GC, AAS, UV-VIS, c\u00f4ng c\u1ee5 tia X v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c.<\/p>\n
M\u00e1y ph\u00e2n t\u00edch kh\u00ed FTIR M7<\/strong><\/p>\nN\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ki\u1ec3m tra nhi\u1ec1u lo\u1ea1i kh\u00ed v\u1edbi c\u00f4ng ngh\u1ec7 FTIR chi ti\u1ebft cao. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ki\u1ec3m tra ph\u00e1t th\u1ea3i m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u00e0 m\u00e1y.<\/p>\n
M\u00e1y ch\u1ee5p s\u1eafc t\u1ed1 kh\u00ed G5GC<\/strong><\/h4>\nN\u00f3 \u0111i k\u00e8m v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c VOC trong ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ho\u1eb7c ki\u1ec3m so\u00e1t nh\u00e0 m\u00e1y.<\/p>\n
C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \u0111\u01b0\u1ee3c bao g\u1ed3m trong c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n quang ph\u1ed5 kh\u00ed<\/strong><\/h2>\nPh\u1ed5 \u0111o kh\u00ed s\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft c\u01a1 b\u1ea3n gi\u1eefa c\u00e1c ph\u00e2n t\u1eed kh\u00ed v\u00e0 c\u00e1c lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng nh\u01b0 \u00e1nh s\u00e1ng ho\u1eb7c ion. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p - IR, UV-Vis, MS - mang l\u1ea1i \u0111i\u1ec3m m\u1ea1nh \u0111\u1eb7c bi\u1ec7t. Ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c ch\u1ea5t m\u1ee5c ti\u00eau, kh\u00f3 kh\u0103n pha tr\u1ed9n v\u00e0 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng. Vai tr\u00f2 c\u1ee7a n\u00f3 bao g\u1ed3m c\u00e1c l\u0129nh v\u1ef1c t\u1eeb c\u00f4ng vi\u1ec7c m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn s\u1ea3n xu\u1ea5t ma t\u00fay. \u0110i\u1ec1u n\u00e0y l\u00e0 do \u0111\u1ed9 ch\u00ednh x\u00e1c, t\u1ed1c \u0111\u1ed9, linh ho\u1ea1t v\u00e0 ph\u00f9 h\u1ee3p \u0111\u01a1n gi\u1ea3n v\u1edbi c\u00e1c quy tr\u00ecnh hi\u1ec7n t\u1ea1i.<\/p>\n
PERSEE l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t v\u00e0 b\u00e1n c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn t\u1eeb n\u0103m 1991. V\u1edbi c\u00e1c ph\u00ea duy\u1ec7t nh\u01b0 ISO9001, ISO14001, OHSAS18001 v\u00e0 \u0111\u00e1nh d\u1ea5u CE, PERSEE gi\u1eef ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. B\u1ed9 s\u1ea3n ph\u1ea9m r\u1ed9ng c\u1ee7a n\u00f3 bao g\u1ed3m m\u00e1y quang ph\u1ed5 UV-VIS nh\u01b0 TU700<\/strong><\/a> v\u00e0 lo\u1ea1t T8DCS, h\u1ec7 th\u1ed1ng FTIR, m\u00e1y nhi\u1ec5m s\u1eafc kh\u00ed nh\u01b0 G5GC<\/strong><\/a>v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1o d\u1ee5c, m\u00f4i tr\u01b0\u1eddng, d\u01b0\u1ee3c ph\u1ea9m, n\u00f4ng nghi\u1ec7p, h\u00f3a d\u1ea7u v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\nC\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h3>\nQ1: Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t khi ch\u1ecdn m\u1ed9t m\u00e1y ph\u1ed5 kh\u00ed?
\n<\/strong>A1: L\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ch\u1ea5t, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n c\u1ea7n thi\u1ebft, kh\u00f3 tr\u1ed9n, nhu c\u1ea7u \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \/ \u00e1p su\u1ea5t, ti\u00eau chu\u1ea9n quy t\u1eafc v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft l\u1eadp ph\u00e2n t\u00edch hi\u1ec7n t\u1ea1i.<\/p>\nQ2: FTIR kh\u00e1c v\u1edbi quang ph\u1ed5 UV trong ph\u00e2n t\u00edch kh\u00ed nh\u01b0 th\u1ebf n\u00e0o?
\n<\/strong>A2: FTIR ki\u1ec3m tra rung ph\u00e2n t\u1eed v\u1edbi \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i trung. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eefu c\u01a1. Ph\u1ed5 quang c\u1ef1c t\u00edm nh\u00ecn v\u00e0o s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong c\u00e1c kh\u00ed v\u00f4 c\u01a1 nh\u01b0 ozone ho\u1eb7c nitrogen dioxide.<\/p>\nQ3: M\u00e1y quang ph\u1ed5 kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c kh\u00f4ng?
\n<\/strong>A3: V\u00e2ng. C\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7n \u0111\u1ea1i t\u1eeb PERSEE cho ph\u00e9p c\u00e1c bi\u1ec7n ph\u00e1p li\u00ean t\u1ee5c v\u1edbi th\u1eddi gian ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng th\u1eddi gian th\u1ef1c nh\u01b0 c\u00e1c quy tr\u00ecnh CEMS ho\u1eb7c PAT.<\/p>","protected":false},"excerpt":{"rendered":" Ph\u1ed5 \u0111o kh\u00ed l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a khoa h\u1ecdc ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i. N\u00f3 cung c\u1ea5p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c, nhanh ch\u00f3ng v\u00e0 c\u00f3 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t kh\u00ed trong nhi\u1ec1u l\u0129nh v\u1ef1c. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y s\u1eed d\u1ee5ng c\u00e1ch c\u00e1c h\u1ea1t \u00e1nh s\u00e1ng ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ph\u00e2n t\u1eed kh\u00ed. K\u1ebft n\u1ed1i n\u00e0y cung c\u1ea5p c\u00e1c chi ti\u1ebft r\u00f5 r\u00e0ng v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. Vai tr\u00f2 c\u1ee7a quang ph\u1ed5 trong ph\u00e2n t\u00edch kh\u00ed C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a kh\u00ed […]<\/p>","protected":false},"author":1,"featured_media":4220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-4224","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\/4224","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=4224"}],"version-history":[{"count":2,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions"}],"predecessor-version":[{"id":4228,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions\/4228"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4220"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4224"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Ph\u1ed5 quang h\u1ed3ng ngo\u1ea1i ho\u1ea1t \u0111\u1ed9ng tr\u00ean \u00fd t\u01b0\u1edfng r\u1eb1ng c\u00e1c ph\u00e2n t\u1eed h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i v\u1edbi t\u1ed1c \u0111\u1ed9 rung \u0111i\u1ec3n h\u00ecnh. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 r\u1ea5t t\u1ed1t \u0111\u1ec3 t\u00ecm th\u1ea5y h\u01a1i h\u1eefu c\u01a1 v\u00e0 kh\u00ed nh\u00e0 k\u00ednh nh\u01b0 CO \u2082, CH\u2084, v\u00e0 kh\u00f4ng \u2093.<\/p>\n
M\u00e1y quang ph\u1ed5 h\u1ed3ng ngo\u1ea1i bi\u1ebfn \u0111\u1ed5i Fourier (FTIR) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Ch\u00fang cung c\u1ea5p: \u0111\u1ed9 ph\u00e2n gi\u1ea3i t\u1ed1t h\u01a1n, qu\u00e9t nhanh h\u01a1n, \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ea3i thi\u1ec7n<\/p>\n
FTIR8000<\/u><\/strong><\/a> V\u00e0 FTIR8100<\/strong><\/a> b\u1edfi PERSEE<\/strong><\/a> cung c\u1ea5p c\u00f4ng vi\u1ec7c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u1eefng ch\u1eafc cho nhi\u1ec1u nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch kh\u00ed.<\/p>\n Ph\u1ed5 quang h\u1ecdc UV-Vis ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u00ed cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong ph\u1ea1m vi UV v\u00e0 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y. V\u00ed d\u1ee5: Ozone (O) \u2083), Nit\u01a1 dioxide (NO) \u2082), v\u00e0 sulfur dioxide (SO) \u2082). \u0110\u1ec3 ph\u00e1t hi\u1ec7n pha kh\u00ed \u0111\u00fang, thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng c\u1ea7n ph\u1ea3i ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y tr\u00e1nh s\u1ef1 ch\u1ed3ng ch\u00e9o quang ph\u1ed5. M\u00e1y qu\u00e9t quang ph\u1ed5 TU700 UV \/ Vis c\u1ee7a PERSEE c\u00f3 t\u1ed1c \u0111\u1ed9 qu\u00e9t 30.000 nm \/ ph\u00fat. N\u00f3 ho\u00e0n th\u00e0nh qu\u00e9t quang ph\u1ed5 ch\u1ec9 trong 2 gi\u00e2y. V\u00ec v\u1eady, n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t kh\u1ed1i l\u01b0\u1ee3ng cao. Ngo\u00e0i ra, m\u00e1y quang ph\u1ed5 UV-Vis T8DCS s\u1eed d\u1ee5ng m\u1ed9t Czerny-Turner Monochromator v\u1edbi m\u1ed9t l\u01b0\u1edbi holographic. Thi\u1ebft l\u1eadp n\u00e0y c\u1eaft gi\u1ea3m \u00e1nh s\u00e1ng l\u1ea1c l\u00f9ng v\u00e0 cung c\u1ea5p \u0111\u1ed9 r\u00f5 quang h\u1ecdc t\u1ed1t.<\/p>\n Ph\u1ed5 \u0111o kh\u1ed1i l\u01b0\u1ee3ng t\u1ecfa s\u00e1ng v\u1edbi \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u00e0 s\u1ee9c m\u1ea1nh cao nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn \u1edf m\u1ee9c d\u1ea5u v\u1ebft. M\u1eabu b\u1ecb ion h\u00f3a v\u00e0 ph\u00e1 v\u1ee1, th\u01b0\u1eddng do m\u1ed9t ngu\u1ed3n ion t\u00e1c \u0111\u1ed9ng \u0111i\u1ec7n t\u1eed. Nhi\u1ec1u c\u00fa \u0111\u00e1nh l\u00e0m cho c\u00e1c ion t\u00e1ch ra. Sau \u0111\u00f3, c\u00e1c ion \u0111i v\u00e0o m\u1ed9t m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng. \u1ede \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo gi\u00e1 tr\u1ecb m \/ z, ho\u1eb7c t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng-s\u1ea1c. Trong quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc kh\u00ed (GC-MS), MS c\u1ea3i thi\u1ec7n ph\u00e1t hi\u1ec7n h\u1ee3p ch\u1ea5t sau khi t\u00e1ch b\u1eb1ng nhi\u1ec5m s\u1eafc. H\u1ec7 th\u1ed1ng GC-MS b\u1ed1n c\u1ef1c \u0111\u01a1n M7 c\u1ee7a PERSEE cho ph\u00e9p li\u00ean k\u1ebft nh\u01b0 v\u1eady \u0111\u1ec3 t\u1ea1o h\u1ed3 s\u01a1 trang \u0111i\u1ec3m kh\u00ed ch\u00ednh x\u00e1c.<\/p>\n <\/p>\n S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y ph\u1ed5 kh\u00ed n\u00e0o kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n c\u1ee7a n\u00f3 m\u00e0 c\u00f2n t\u1eeb c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng.<\/p>\n Thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 s\u1eafc n\u00e9t. C\u00e1c m\u00e1y d\u00f2 r\u1ea5t quan tr\u1ecdng. Ch\u00fang bi\u1ebfn c\u00e1c photon ho\u1eb7c ion \u0111\u1ebfn th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o khu v\u1ef1c quang ph\u1ed5: photodiode ho\u1ea1t \u0111\u1ed9ng cho ph\u00e1t hi\u1ec7n UV-Vis. bolometers ho\u1eb7c thermocouples x\u1eed l\u00fd IR. \u1ed1ng photomultiplier (PMTs) \u0111\u01b0\u1ee3c ch\u1ecdn cho ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd c\u1ee7a h\u1ecd trong \u00e1nh s\u00e1ng m\u1edd. C\u00e1c T8DCS<\/strong><\/a> s\u1eed d\u1ee5ng \u1ed1ng photomultiplier l\u00e0m m\u00e1y d\u00f2. N\u00f3 mang l\u1ea1i s\u1ef1 nh\u1ea1y c\u1ea3m \u0111\u1eb7c bi\u1ec7t.<\/p>\n Gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng m\u1eabu l\u00e0 ch\u00eca kh\u00f3a. Kh\u00ed t\u1eeb kh\u00f4ng kh\u00ed ho\u1eb7c d\u00f2ng ch\u1ea3y qu\u00e1 tr\u00ecnh th\u01b0\u1eddng c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi ph\u00e2n t\u00edch. N\u00f3 bao g\u1ed3m b\u1ed9 l\u1ecdc l\u00e0m s\u1ea1ch c\u00e1c h\u1ea1t, ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh d\u00f2ng ch\u1ea3y, c\u00e1c \u0111\u01a1n v\u1ecb nhi\u1ec7t \u0111\u1ed9 ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 ho\u1eb7c ph\u00e1 h\u1ee7y \u0111\u1ed9 \u1ea9m. Nh\u1eefng thi\u1ebft l\u1eadp n\u00e0y l\u00e0m cho k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. H\u1ecd c\u0169ng ch\u1eb7n l\u1ed7i t\u1eeb b\u1ee5i b\u1ea9n ho\u1eb7c l\u1eabn l\u1ed9n.<\/p>\n Vi\u1ec7c \u0111o \u0111\u00fang d\u1ef1a v\u00e0o hi\u1ec7u chu\u1ea9n t\u1ed1t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u1eed d\u1ee5ng kh\u00ed hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ee9c ph\u1ea3n \u1ee9ng, c\u00e1c t\u1ebf b\u00e0o tham chi\u1ebfu \u0111\u1ec3 s\u1eeda ch\u1eefa \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u, c\u00e1c quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng cho c\u00e1c h\u1ec7 th\u1ed1ng theo d\u00f5i kh\u00ed th\u1ea3i li\u00ean t\u1ee5c (CEMS) Ch\u00fang li\u00ean k\u1ebft tr\u1edf l\u1ea1i v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n th\u1ebf gi\u1edbi v\u00e0 gi\u1eef cho m\u1ecdi th\u1ee9 \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n B\u00ean c\u1ea1nh vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u0111\u1ecbnh h\u00ecnh m\u1ee9c \u0111\u1ed9 \u0111\u1ecdc quang ph\u1ed5 kh\u00ed \u0111\u00e1ng tin c\u1eady.<\/p>\n \u0110\u1ed9 nh\u1ea1y c\u1ea3m \u0111\u1ebfn t\u1eeb hi\u1ec7u su\u1ea5t m\u00e1y d\u00f2, k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc, gi\u1ea3m ti\u1ebfng \u1ed3n n\u1ec1n, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n th\u1ea5p h\u01a1n quan tr\u1ecdng cho ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng ho\u1eb7c t\u00ecm ki\u1ebfm kh\u00ed c\u00f3 h\u1ea1i. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 GC \/ MS c\u00f3 th\u1ec3 t\u0103ng m\u1ee9c xu\u1ed1ng \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean m\u1ed9t ngh\u00ecn t\u1ef7.<\/p>\n S\u1ef1 ch\u1ecdn l\u1ecdc \u0111\u1ea3m b\u1ea3o \u0111\u1ecdc ch\u00ednh x\u00e1c ngay c\u1ea3 trong h\u1ed7n h\u1ee3p. C\u00e1c c\u00e1ch l\u00e0m \u0111i\u1ec1u n\u00e0y bao g\u1ed3m b\u1ed9 l\u1ecdc quang ph\u1ed5 ch\u1eb7t ch\u1ebd, m\u00e1y ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng chi ti\u1ebft cao, s\u1eeda ch\u1eefa cho s\u1ef1 ch\u1ed3ng ch\u00e9o th\u00f4ng qua c\u00e1c b\u01b0\u1edbc to\u00e1n h\u1ecdc, m\u00e1y d\u00f2 l\u1ef1a ch\u1ecdn kh\u1ed1i l\u01b0\u1ee3ng ph\u00e1t hi\u1ec7n c\u00e1c b\u1ed9 ph\u1eadn t\u1eeb quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng. Khi k\u1ebft h\u1ee3p v\u1edbi GC, n\u00f3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 m\u1ea1nh nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/p>\n Th\u1eddi gian ph\u1ea3n \u1ee9ng nhanh l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong vi\u1ec7c thay \u0111\u1ed5i c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng nh\u00e0 m\u00e1y. S\u1ef1 \u1ed5n \u0111\u1ecbnh gi\u1eef cho c\u00f4ng vi\u1ec7c ngay c\u1ea3 khi thay \u0111\u1ed5i nhi\u1ec7t ho\u1eb7c \u00e1p su\u1ea5t. TU700 c\u00f3 ph\u1ea1m vi h\u1ea5p th\u1ee5 -4 \u0111\u1ebfn 4 Abs. N\u00f3 qu\u1ea3n l\u00fd c\u00e1c m\u1eabu n\u1ed3ng \u0111\u1ed9 cao trong c\u00e1c thi\u1ebft l\u1eadp kh\u00e1c nhau.<\/p>\n C\u00e1c m\u00e1y quang ph\u1ed5 kh\u00ed c\u1ea7n ph\u00f9 h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c quy tr\u00ecnh l\u1edbn h\u01a1n \u0111\u1ec3 c\u00f3 \u00edch trong cu\u1ed9c s\u1ed1ng th\u1ef1c.<\/p>\n Nhi\u1ec7t s\u1eafc ph\u00e2n chia c\u00e1c h\u1ee3p ch\u1ea5t tr\u01b0\u1edbc khi ki\u1ec3m tra quang ph\u1ed5. Nhi\u1ec7t s\u1eafc kh\u00ed (GC) chia c\u00e1c ph\u1ea7n c\u1ee7a m\u1ed9t h\u1ed7n h\u1ee3p. Sau \u0111\u00f3, m\u1ed7i ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean v\u00e0 \u0111o l\u01b0\u1eddng.<\/p>\n GC G5 c\u1ee7a PERSEE ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn cho c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 ki\u1ec3m tra VOC ho\u1eb7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nh\u00e0 m\u00e1y.<\/p>\n C\u00e1c m\u00e1y \u0111o ph\u1ed5 t\u00edch h\u1ee3p trong CEMS cung c\u1ea5p d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp cho quy t\u1eafc theo. Trong thi\u1ebft l\u1eadp PAT, c\u00e1c v\u00f2ng tr\u00f2n ph\u1ea3n h\u1ed3i \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t qu\u00e1 tr\u00ecnh ngay l\u1eadp t\u1ee9c. C\u00e1c c\u00f4ng c\u1ee5 PERSEE li\u00ean k\u1ebft v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng SCADA. H\u1ecd g\u1eedi c\u1ea3nh b\u00e1o t\u1ef1 \u0111\u1ed9ng v\u00e0 d\u1eef li\u1ec7u nh\u1eadt k\u00fd. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y lu\u1ed3ng c\u00f4ng vi\u1ec7c.<\/p>\n PERSEE \u0111\u00e3 ph\u00e1t tri\u1ec3n nh\u01b0 m\u1ed9t ng\u01b0\u1eddi ch\u01a1i h\u00e0ng \u0111\u1ea7u tr\u00ean to\u00e0n th\u1ebf gi\u1edbi trong c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch. N\u00f3 c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho nhu c\u1ea7u khoa h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n PERSEE l\u00e0 m\u1ed9t c\u00f4ng ty c\u00f4ng ngh\u1ec7 cao m\u1edbi \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1991. H\u01a1n 30% nh\u00e2n vi\u00ean t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n. PERSEE nh\u1ea5n m\u1ea1nh c\u00e1c \u00fd t\u01b0\u1edfng m\u1edbi v\u00e0 khoa h\u1ecdc c\u1ea9n th\u1eadn trong c\u00e1c nh\u00f3m s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. C\u00e1c s\u1ea3n ph\u1ea9m bao g\u1ed3m FTIR, GC, AAS, UV-VIS, c\u00f4ng c\u1ee5 tia X v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c.<\/p>\n M\u00e1y ph\u00e2n t\u00edch kh\u00ed FTIR M7<\/strong><\/p>\n N\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ki\u1ec3m tra nhi\u1ec1u lo\u1ea1i kh\u00ed v\u1edbi c\u00f4ng ngh\u1ec7 FTIR chi ti\u1ebft cao. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ki\u1ec3m tra ph\u00e1t th\u1ea3i m\u00f4i tr\u01b0\u1eddng v\u00e0 nh\u00e0 m\u00e1y.<\/p>\n N\u00f3 \u0111i k\u00e8m v\u1edbi c\u00e1c m\u00e1y d\u00f2 b\u1ed5 sung nh\u01b0 FID \/ TCD \/ ECD. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c VOC trong ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ho\u1eb7c ki\u1ec3m so\u00e1t nh\u00e0 m\u00e1y.<\/p>\n Ph\u1ed5 \u0111o kh\u00ed s\u1eed d\u1ee5ng c\u00e1c li\u00ean k\u1ebft c\u01a1 b\u1ea3n gi\u1eefa c\u00e1c ph\u00e2n t\u1eed kh\u00ed v\u00e0 c\u00e1c lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng nh\u01b0 \u00e1nh s\u00e1ng ho\u1eb7c ion. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p - IR, UV-Vis, MS - mang l\u1ea1i \u0111i\u1ec3m m\u1ea1nh \u0111\u1eb7c bi\u1ec7t. Ch\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c ch\u1ea5t m\u1ee5c ti\u00eau, kh\u00f3 kh\u0103n pha tr\u1ed9n v\u00e0 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng. Vai tr\u00f2 c\u1ee7a n\u00f3 bao g\u1ed3m c\u00e1c l\u0129nh v\u1ef1c t\u1eeb c\u00f4ng vi\u1ec7c m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn s\u1ea3n xu\u1ea5t ma t\u00fay. \u0110i\u1ec1u n\u00e0y l\u00e0 do \u0111\u1ed9 ch\u00ednh x\u00e1c, t\u1ed1c \u0111\u1ed9, linh ho\u1ea1t v\u00e0 ph\u00f9 h\u1ee3p \u0111\u01a1n gi\u1ea3n v\u1edbi c\u00e1c quy tr\u00ecnh hi\u1ec7n t\u1ea1i.<\/p>\n PERSEE l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u t\u1eadp trung v\u00e0o nghi\u00ean c\u1ee9u, s\u1ea3n xu\u1ea5t v\u00e0 b\u00e1n c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn t\u1eeb n\u0103m 1991. V\u1edbi c\u00e1c ph\u00ea duy\u1ec7t nh\u01b0 ISO9001, ISO14001, OHSAS18001 v\u00e0 \u0111\u00e1nh d\u1ea5u CE, PERSEE gi\u1eef ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. B\u1ed9 s\u1ea3n ph\u1ea9m r\u1ed9ng c\u1ee7a n\u00f3 bao g\u1ed3m m\u00e1y quang ph\u1ed5 UV-VIS nh\u01b0 TU700<\/strong><\/a> v\u00e0 lo\u1ea1t T8DCS, h\u1ec7 th\u1ed1ng FTIR, m\u00e1y nhi\u1ec5m s\u1eafc kh\u00ed nh\u01b0 G5GC<\/strong><\/a>v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1o d\u1ee5c, m\u00f4i tr\u01b0\u1eddng, d\u01b0\u1ee3c ph\u1ea9m, n\u00f4ng nghi\u1ec7p, h\u00f3a d\u1ea7u v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n Q1: Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t khi ch\u1ecdn m\u1ed9t m\u00e1y ph\u1ed5 kh\u00ed? Q2: FTIR kh\u00e1c v\u1edbi quang ph\u1ed5 UV trong ph\u00e2n t\u00edch kh\u00ed nh\u01b0 th\u1ebf n\u00e0o? Q3: M\u00e1y quang ph\u1ed5 kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c kh\u00f4ng? Ph\u1ed5 \u0111o kh\u00ed l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a khoa h\u1ecdc ph\u00e2n t\u00edch hi\u1ec7n \u0111\u1ea1i. N\u00f3 cung c\u1ea5p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c, nhanh ch\u00f3ng v\u00e0 c\u00f3 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t kh\u00ed trong nhi\u1ec1u l\u0129nh v\u1ef1c. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y s\u1eed d\u1ee5ng c\u00e1ch c\u00e1c h\u1ea1t \u00e1nh s\u00e1ng ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ph\u00e2n t\u1eed kh\u00ed. K\u1ebft n\u1ed1i n\u00e0y cung c\u1ea5p c\u00e1c chi ti\u1ebft r\u00f5 r\u00e0ng v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c. Vai tr\u00f2 c\u1ee7a quang ph\u1ed5 trong ph\u00e2n t\u00edch kh\u00ed C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a kh\u00ed […]<\/p>","protected":false},"author":1,"featured_media":4220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-4224","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\/4224","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=4224"}],"version-history":[{"count":2,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions"}],"predecessor-version":[{"id":4228,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4224\/revisions\/4228"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4220"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4224"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Quang ph\u1ed5 si\u00eau t\u00edm (UV-Vis) trong m\u00f4i tr\u01b0\u1eddng kh\u00ed<\/strong><\/h3>\n
Ph\u00e2n ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng (MS) \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n kh\u00ed<\/strong><\/h3>\n
C\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft b\u1ecb c\u1ee7a m\u1ed9t m\u00e1y \u0111o ph\u1ed5 kh\u00ed<\/strong><\/h2>\n
<\/div>\nH\u1ec7 th\u1ed1ng quang h\u1ecdc v\u00e0 m\u00e1y d\u00f2<\/strong><\/h3>\n
M\u00f4-\u0111un gi\u1edbi thi\u1ec7u v\u00e0 \u0111i\u1ec1u h\u00f2a m\u1eabu<\/strong><\/h3>\n
H\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n v\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu<\/strong><\/h3>\n
C\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ph\u00e2n t\u00edch<\/strong><\/h2>\n
Nh\u1ea1y c\u1ea3m v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n trong quang ph\u1ed5 kh\u00ed<\/strong><\/h3>\n
Ch\u1ecdn l\u1ef1a \u0111\u1ed1i v\u1edbi kh\u00ed m\u1ee5c ti\u00eau gi\u1eefa ma tr\u1eadn ph\u1ee9c t\u1ea1p<\/strong><\/h3>\n
Th\u1eddi gian ph\u1ea3n \u1ee9ng v\u00e0 \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\n
T\u00edch h\u1ee3p v\u1edbi c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/h2>\n
K\u1ebft n\u1ed1i v\u1edbi k\u1ef9 thu\u1eadt nhi\u1ec5m s\u1eafc (GC-MS, GC-FID)<\/strong><\/h3>\n
Vai tr\u00f2 trong h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ph\u00e1t th\u1ea3i li\u00ean t\u1ee5c (CEMS) v\u00e0 ph\u00e2n t\u00edch quy tr\u00ecnh (PAT)<\/strong><\/h3>\n
PERSEE: M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady c\u1ee7a c\u00e1c d\u1ee5ng c\u1ee5 ph\u00e2n t\u00edch ti\u00ean ti\u1ebfn<\/strong><\/h2>\n
T\u1ed5ng quan v\u1ec1 kh\u1ea3 n\u0103ng c\u00f4ng ngh\u1ec7 c\u1ee7a PERSEE<\/strong><\/h3>\n
M\u00e1y ch\u1ee5p s\u1eafc t\u1ed1 kh\u00ed G5GC<\/strong><\/h4>\n
C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \u0111\u01b0\u1ee3c bao g\u1ed3m trong c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n quang ph\u1ed5 kh\u00ed<\/strong><\/h2>\n
C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h3>\n
\n<\/strong>A1: L\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i ch\u1ea5t, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n c\u1ea7n thi\u1ebft, kh\u00f3 tr\u1ed9n, nhu c\u1ea7u \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \/ \u00e1p su\u1ea5t, ti\u00eau chu\u1ea9n quy t\u1eafc v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft l\u1eadp ph\u00e2n t\u00edch hi\u1ec7n t\u1ea1i.<\/p>\n
\n<\/strong>A2: FTIR ki\u1ec3m tra rung ph\u00e2n t\u1eed v\u1edbi \u00e1nh s\u00e1ng h\u1ed3ng ngo\u1ea1i trung. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eefu c\u01a1. Ph\u1ed5 quang c\u1ef1c t\u00edm nh\u00ecn v\u00e0o s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n t\u1eed trong c\u00e1c kh\u00ed v\u00f4 c\u01a1 nh\u01b0 ozone ho\u1eb7c nitrogen dioxide.<\/p>\n
\n<\/strong>A3: V\u00e2ng. C\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7n \u0111\u1ea1i t\u1eeb PERSEE cho ph\u00e9p c\u00e1c bi\u1ec7n ph\u00e1p li\u00ean t\u1ee5c v\u1edbi th\u1eddi gian ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng. Ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng th\u1eddi gian th\u1ef1c nh\u01b0 c\u00e1c quy tr\u00ecnh CEMS ho\u1eb7c PAT.<\/p>","protected":false},"excerpt":{"rendered":"