{"id":4241,"date":"2025-12-31T00:00:04","date_gmt":"2025-12-30T16:00:04","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4241"},"modified":"2025-12-30T18:21:15","modified_gmt":"2025-12-30T10:21:15","slug":"mastering-spectrophotometer-techniques-for-accurate-concentration-analysis","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/mastering-spectrophotometer-techniques-for-accurate-concentration-analysis\/","title":{"rendered":"N\u1eafm v\u1eefng c\u00e1c k\u1ef9 thu\u1eadt quang ph\u1ed5 cho ph\u00e2n t\u00edch n\u1ed3ng \u0111\u1ed9 ch\u00ednh x\u00e1c"},"content":{"rendered":"

 <\/p>\n

\"N\u1eafm<\/div>\n

Ph\u00e2n ph\u1ed5 quang h\u1ecdc l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch quan tr\u1ecdng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m h\u00f3a h\u1ecdc, sinh h\u1ecdc v\u00e0 khoa h\u1ecdc cu\u1ed9c s\u1ed1ng. Th\u00e0nh c\u00f4ng c\u1ee7a n\u00f3 trong vi\u1ec7c \u0111o n\u1ed3ng \u0111\u1ed9 h\u00f2a tan d\u1ef1a v\u00e0o c\u00e1c quy t\u1eafc c\u01a1 b\u1ea3n k\u1ebft n\u1ed1i \u0111\u1ed9 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng v\u1edbi c\u00e1c ph\u00e2n t\u1eed c\u00f3 m\u1eb7t trong dung d\u1ecbch.<\/p>\n

C\u01a1 s\u1edf c\u1ee7a \u0111\u1ed9 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng v\u00e0 \u0111\u1ed9 truy\u1ec1n<\/strong><\/h3>\n

C\u00e1c m\u00e1y quang ph\u1ed5 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o l\u01b0\u1ee3ng \u00e1nh s\u00e1ng m\u00e0 m\u1ed9t m\u1eabu l\u1ea5y ho\u1eb7c cho ph\u00e9p th\u00f4ng qua. L\u01b0\u1ee3ng \u00e1nh s\u00e1ng m\u00e0 m\u1ed9t m\u1eabu h\u1ea5p th\u1ee5 \u1edf m\u1ed9t b\u01b0\u1edbc s\u00f3ng nh\u1ea5t \u0111\u1ecbnh li\u00ean k\u1ebft th\u1eb3ng v\u1edbi m\u1eabu’ S t\u1eadp trung.<\/p>\n

Lu\u1eadt Beer-Lambert trong ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng<\/strong><\/h3>\n

Lu\u1eadt c\u1ed1t l\u00f5i n\u00e0y h\u1ed7 tr\u1ee3 m\u1eb7t \u0111\u1ecbnh l\u01b0\u1ee3ng c\u1ee7a quang ph\u1ed5. N\u00f3 mong \u0111\u1ee3i m\u1ed9t m\u1ed1i quan h\u1ec7 th\u1eb3ng gi\u1eefa \u0111\u1ed9 h\u1ea5p th\u1ee5 v\u00e0 n\u1ed3ng \u0111\u1ed9 khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eabn \u1ed5n \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng \u0111i c\u1ed1 \u0111\u1ecbnh, \u00e1nh s\u00e1ng \u0111\u01a1n m\u00e0u v\u00e0 ch\u1ea5t h\u00f2a tan kh\u00f4ng tr\u1ed9n v\u1edbi nhau. Cho d\u00f9 m\u1ecdi th\u1ee9 ph\u1ee9c t\u1ea1p nh\u01b0 th\u1ebf n\u00e0o, t\u1ea5t c\u1ea3 c\u00e1c d\u1ee5ng c\u1ee5 quang ph\u1ed5 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c \u00fd t\u01b0\u1edfng ch\u00ednh c\u1ee7a \u0111\u1ecbnh lu\u1eadt Beer-Lambert. Tuy nhi\u00ean, s\u1ef1 thay \u0111\u1ed5i t\u1eeb m\u00f4 h\u00ecnh d\u1ef1 ki\u1ebfn \u200b\u200bc\u00f3 th\u1ec3 x\u1ea3y ra do gi\u1edbi h\u1ea1n c\u00f4ng c\u1ee5, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e1nh s\u00e1ng l\u1ea1c l\u00f9ng ho\u1eb7c b\u0103ng th\u00f4ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, ho\u1eb7c do c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m m\u1eabu nh\u01b0 thay \u0111\u1ed5i h\u00f3a h\u1ecdc ho\u1eb7c c\u1ee5m. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi lu\u1eadt ph\u00e1p, ng\u01b0\u1eddi ta c\u1ea7n ki\u1ec3m tra c\u00e1c th\u1ee7 t\u1ee5c s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn.<\/p>\n

Thi\u1ebft b\u1ecb v\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y quang ph\u1ed5<\/strong><\/h2>\n

S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00f4ng vi\u1ec7c quang ph\u1ed5 ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o vi\u1ec7c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u01b0 th\u1ebf n\u00e0o v\u00e0 c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u00e1y quang ph\u1ed5<\/strong><\/h3>\n

M\u1ed9t quang ph\u1ed5 \u0111o \u0111i\u1ec3n h\u00ecnh ch\u1ee9a \u00e1nh s\u00e1ng Ngu\u1ed3n: \u0111\u00e8n vonfram cho ph\u1ed5 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y (400-700 nm) v\u00e0 \u0111\u00e8n deuteri cho khu v\u1ef1c UV (190-400 nm). Monochromator: s\u1eed d\u1ee5ng k\u00ednh k\u00ednh ho\u1eb7c l\u01b0\u1edbi x\u00fac x\u1ea1 \u0111\u1ec3 c\u00f4 l\u1eadp c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3. Ch\u1ee7 m\u1eabu: th\u01b0\u1eddng l\u00e0 c\u00e1c cuvette th\u1ea1ch anh ho\u1eb7c th\u1ee7y tinh v\u1edbi chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng d\u1eabn \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn (th\u01b0\u1eddng l\u00e0 1 cm). M\u00e1y d\u00f2: chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng truy\u1ec1n th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<\/p>\n

\u00c1nh s\u00e1ng t\u1eeb ngu\u1ed3n \u0111i qua m\u1ed9t khe l\u1ed1i v\u00e0o trong m\u00e1y monochromator thu h\u1eb9p ch\u00f9m \u0111\u1ebfn m\u1ed9t k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng. \u00c1nh s\u00e1ng sau \u0111\u00f3 \u0111i qua m\u1ed9t khe tho\u00e1t cho ph\u00e9p \u00e1nh s\u00e1ng c\u1ee7a b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c ch\u1ecdn \u0111i qua m\u1eabu n\u01a1i m\u1ed9t s\u1ed1 c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5.<\/p>\n

C\u00e1c lo\u1ea1i m\u00e1y quang ph\u1ed5 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<\/strong><\/h3>\n

Quy\u1ebft \u0111\u1ecbnh v\u1ec1 lo\u1ea1i d\u1ee5ng c\u1ee5 t\u00f9y thu\u1ed9c v\u00e0o nh\u1eefng g\u00ec ph\u00e2n t\u00edch y\u00eau c\u1ea7u:<\/p>\n

H\u1ec7 th\u1ed1ng Single-Beam vs Double-Beam<\/strong><\/h4>\n

Single-Beam: Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n h\u01a1n; C\u00e1c ph\u00e9p \u0111o \u0111\u00f2i h\u1ecfi vi\u1ec7c tr\u1ed1ng th\u01b0\u1eddng xuy\u00ean. Double-Beam: chia ch\u00f9m \u0111\u1ec3 \u0111\u1ed3ng th\u1eddi \u0111i qua m\u1eabu v\u00e0 tham chi\u1ebfu, c\u1ea3i thi\u1ec7n s\u1ef1 \u1ed5n \u0111\u1ecbnh.<\/p>\n

UV-Vis vs C\u00f4ng c\u1ee5 ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y<\/strong><\/h4>\n

UV-Vis: Bao g\u1ed3m ph\u1ea1m vi ph\u1ed5 r\u1ed9ng (190-1100 nm), th\u00edch h\u1ee3p cho c\u00e1c h\u1ee3p ch\u1ea5t \u0111a d\u1ea1ng. Ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y: gi\u1edbi h\u1ea1n \u1edf 400-700 nm; l\u00fd t\u01b0\u1edfng cho c\u00e1c ch\u1ea5t m\u00e0u. T7D<\/strong><\/a>\/T7DS<\/strong><\/a> l\u00e0 m\u1ed9t m\u00e1y qu\u00e9t quang ph\u1ed5 ch\u00f9m k\u00e9p hi\u1ec7u su\u1ea5t cao c\u00f3 kh\u1ea3 n\u0103ng \u0111o quang h\u1ecdc, qu\u00e9t quang ph\u1ed5, x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 ph\u00e2n t\u00edch DNA \/ Protein.<\/p>\n

Chi\u1ebfn l\u01b0\u1ee3c chu\u1ea9n b\u1ecb m\u1eabu cho k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady<\/strong><\/h2>\n

C\u00e1c h\u1ea1t ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng, d\u1eabn \u0111\u1ebfn c\u00e1c gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 qu\u00e1 m\u1ee9c. C\u00e1c m\u1eabu ph\u1ea3i r\u00f5 r\u00e0ng v\u00e0 \u0111\u1ed3ng nh\u1ea5t. C\u00e1c m\u1eabu \u0111\u1ed3ng nh\u1ea5t \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1eddng d\u1eabn quang h\u1ecdc nh\u1ea5t qu\u00e1n.<\/p>\n

L\u1ef1a ch\u1ecdn dung m\u00f4i v\u00e0 giao th\u1ee9c s\u1eeda ch\u1eefa tr\u1ed1ng<\/strong><\/h3>\n

Thu\u1eadn m\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 \u1edf b\u01b0\u1edbc s\u00f3ng ph\u00e2n t\u00edch. C\u00e1c tr\u1ed1ng ch\u1ec9 ch\u1ee9a dung m\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh cho \u0111\u1ed9 h\u1ea5p th\u1ee5 n\u1ec1n t\u1eeb dung m\u00f4i v\u00e0 cuvette.<\/p>\n

S\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch c\u1ee7a Cuvettes v\u00e0 Path Length Considerations<\/strong><\/h3>\n

 <\/p>\n

\"T6U<\/div>\n

Cuvettes th\u1ea1ch anh l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c ph\u00e9p \u0111o tia c\u1ef1c t\u00edm do \u0111\u1ed9 minh b\u1ea1ch c\u1ee7a ch\u00fang d\u01b0\u1edbi 320 nm, trong khi nh\u1ef1a ho\u1eb7c th\u1ee7y tinh \u0111\u1ee7 cho ph\u1ea1m vi nh\u00ecn th\u1ea5y. \u0110\u1ecbnh h\u01b0\u1edbng nh\u1ea5t qu\u00e1n trong khi s\u1eed d\u1ee5ng gi\u1ea3m thi\u1ec3u s\u1ef1 bi\u1ebfn \u0111\u1ed5i do s\u1ef1 thi\u1ebfu ho\u00e0n h\u1ea3o.<\/p>\n

Ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9<\/strong><\/h2>\n

X\u00e2y d\u1ef1ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady \u0111\u00f2i h\u1ecfi c\u00e1c b\u01b0\u1edbc hi\u1ec7u chu\u1ea9n c\u00f3 t\u1ed5 ch\u1ee9c v\u00e0 th\u00f3i quen \u0111o l\u01b0\u1eddng v\u1eefng ch\u1eafc.<\/p>\n

K\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n<\/strong><\/h3>\n

Ch\u1ecdn b\u01b0\u1edbc s\u00f3ng t\u1ed1i \u01b0u cho ph\u00e2n t\u00edch<\/strong><\/h4>\n

Ch\u1ecdn \u03bbmax \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 nh\u1ea1y c\u1ea3m trong khi tr\u00e1nh s\u1ef1 can thi\u1ec7p ma tr\u1eadn ch\u1ed3ng ch\u00e9o.<\/p>\n

Th\u1ee7 t\u1ee5c \u0111o m\u1eabu v\u00e0 x\u00e1c nh\u1eadn d\u1eef li\u1ec7u<\/strong><\/h3>\n

B\u1ea3n sao, trung b\u00ecnh v\u00e0 ti\u00eau chu\u1ea9n t\u1eeb ch\u1ed1i ngo\u00e0i<\/strong><\/h4>\n

\u0110o m\u1ed7i m\u1eabu trong ba b\u1ea3n. X\u00f3a b\u1ecf c\u00e1c gi\u00e1 tr\u1ecb kh\u00e1c bi\u1ec7t d\u1ef1a tr\u00ean \u0111\u1ed9 l\u1ec7ch th\u1ed1ng k\u00ea ho\u1eb7c l\u1ed7i quan s\u00e1t \u0111\u01b0\u1ee3c.<\/p>\n

Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n n\u1ed9i b\u1ed9 ho\u1eb7c t\u00e0i li\u1ec7u tham kh\u1ea3o<\/strong><\/h4>\n

Ti\u00eau chu\u1ea9n n\u1ed9i b\u1ed9 gi\u00fap ch\u1ec9nh s\u1eeda c\u00e1c hi\u1ec7u \u1ee9ng tr\u00f4i ho\u1eb7c ma tr\u1eadn. C\u00e1c v\u1eadt li\u1ec7u tham kh\u1ea3o \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn x\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t ph\u01b0\u01a1ng ph\u00e1p l\u00e2u d\u00e0i.<\/p>\n

K\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ea3m<\/strong><\/h2>\n

H\u00f4m nay’ C\u00e1c m\u00e1y quang ph\u1ed5 cung c\u1ea5p nh\u1eefng c\u1ea3i ti\u1ebfn do m\u00e1y t\u00ednh \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 t\u0103ng ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/p>\n

S\u1eeda ch\u1eefa d\u00f2ng c\u01a1 s\u1edf v\u00e0 thu\u1eadt to\u00e1n l\u00e0m m\u1ecbn quang ph\u1ed5<\/strong><\/h3>\n

Tr\u1eeb d\u00f2ng c\u01a1 s\u1edf lo\u1ea1i b\u1ecf s\u1ef1 can thi\u1ec7p n\u1ec1n. Vi\u1ec7c l\u00e0m m\u1ecbn l\u00e0m gi\u1ea3m ti\u1ebfng \u1ed3n trong khi duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n \u0111\u1ec9nh cao.<\/p>\n

S\u1eed d\u1ee5ng quang ph\u1ed5 d\u1eabn xu\u1ea5t<\/strong><\/h3>\n

C\u00e1c ph\u00e1i sinh \u0111\u1ea7u ti\u00ean ho\u1eb7c th\u1ee9 hai l\u00e0m r\u00f5 c\u00e1c \u0111\u1ec9nh ch\u1ed3ng ch\u00e9o trong ma tr\u1eadn ph\u1ee9c t\u1ea1p - \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong ph\u00e2n t\u00edch d\u01b0\u1ee3c ph\u1ea9m ho\u1eb7c m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Gi\u1ea3i quy\u1ebft l\u1ed7i ph\u1ed5 bi\u1ebfn trong ph\u00e2n t\u00edch quang ph\u1ed5<\/strong><\/h2>\n

B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 gi\u1eef cho hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n

C\u00e1c v\u1ea5n \u0111\u1ec1 Drift v\u00e0 Calibration<\/strong><\/h3>\n

Gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb, ch\u00fang \u0111\u00f2i h\u1ecfi ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn th\u01b0\u1eddng xuy\u00ean. C\u00e1c giao th\u1ee9c ki\u1ec3m tra v\u00e0 x\u00e1c nh\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 tin t\u01b0\u1edfng trong t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t. \u0110i\u1ec1u chu\u1ea9n s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 theo d\u00f5i n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean.<\/p>\n

S\u1ef1 can thi\u1ec7p t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n ma tr\u1eadn ho\u1eb7c \u0111\u1ed9 m\u01a1 h\u1ed3<\/strong><\/h3>\n

C\u00e1c m\u1eabu m\u1edd m\u1edd n\u00ean \u0111\u01b0\u1ee3c l\u1ecdc ho\u1eb7c ly t\u00e2m tr\u01b0\u1edbc khi \u0111o. C\u00e1c h\u1ea1t ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c h\u1ea5p th\u1ee5.<\/p>\n

C\u00e1ch ti\u1ebfp c\u1eadn \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7u \u1ee9ng ma tr\u1eadn<\/strong><\/h4>\n

S\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p ma tr\u1eadn ho\u1eb7c \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ed5 sung ti\u00eau chu\u1ea9n khi ma tr\u1eadn kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/p>\n

PERSEE l\u00e0 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<\/strong><\/h2>\n

C\u00f4ng ty TNHH B\u1eafc Kinj Purkinje General Instrument (PERSEE<\/strong><\/a>c\u00f3 h\u01a1n 30 n\u0103m kinh nghi\u1ec7m trong vi\u1ec7c cung c\u1ea5p c\u00e1c h\u1ec7 th\u1ed1ng quang ph\u1ed5 m\u1ea1nh m\u1ebd.<\/p>\n

T\u1ed5ng quan v\u1ec1 chuy\u00ean m\u00f4n c\u1ee7a PERSEE trong d\u1ee5ng c\u1ee5 quang h\u1ecdc<\/strong><\/h3>\n

Beijing Purkinje General Instrument Co., Ltd. l\u00e0 m\u1ed9t doanh nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1991. N\u00f3 chuy\u00ean nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n thi\u1ebft b\u1ecb khoa h\u1ecdc, s\u1ea3n xu\u1ea5t v\u00e0 b\u00e1n h\u00e0ng. S\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo ISO9001, ISO14001, CE v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng to\u00e0n c\u1ea7u.<\/p>\n

S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt li\u00ean quan \u0111\u1ebfn ph\u00e2n t\u00edch n\u1ed3ng \u0111\u1ed9<\/strong><\/h3>\n

 <\/p>\n

\"G5GC\"<\/div>\n

M\u00e1y quang ph\u1ed5 UV-VIS M7<\/strong><\/h4>\n

M7 t\u1ee9 c\u1ef1c \u0111\u01a1n GC-MS<\/u><\/strong><\/a> l\u00e0 m\u00e1y quang ph\u1ed5 kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u su\u1ea5t cao th\u1ebf h\u1ec7 m\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf b\u1edfi PERSEE ph\u00f9 h\u1ee3p v\u1edbi ph\u00e2n t\u00edch th\u01b0\u1eddng xuy\u00ean kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng nghi\u00ean c\u1ee9u ch\u00ednh x\u00e1c. N\u00f3 cung c\u1ea5p quang h\u1ecdc \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u01a1 b\u1ea3n tuy\u1ec7t v\u1eddi tr\u00ean ph\u1ea1m vi 190-1100 nm.<\/p>\n

H\u1ec7 th\u1ed1ng nhi\u1ec5m s\u1eafc kh\u00ed G5GC<\/strong><\/h4>\n

D\u00f2ng ch\u1ea3y kh\u00ed \u1ed5n \u0111\u1ecbnh v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 k\u1ebft h\u1ee3p v\u1edbi m\u00e1y d\u00f2 \u0111\u1ed9 nh\u1ea1y cao mang l\u1ea1i cho b\u1ea1n k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh x\u00e1c h\u01a1n. G5GC<\/strong><\/u><\/a> b\u1ed5 sung c\u00e1c k\u1ef9 thu\u1eadt quang ph\u1ed5 trong ph\u00e2n t\u00edch \u0111a ph\u01b0\u01a1ng th\u1ee9c nh\u01b0 th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng ho\u1eb7c quy tr\u00ecnh l\u00e0m vi\u1ec7c QA \/ QC d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n

Th\u1ef1c h\u00e0nh ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 ch\u00ednh x\u00e1c<\/strong><\/h2>\n

\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n t\u00edch b\u1eb1ng c\u00e1ch xem x\u00e9t l\u1ef1a ch\u1ecdn b\u01b0\u1edbc s\u00f3ng t\u1ed1i \u01b0u d\u1ef1a tr\u00ean \u03bbmax Chu\u1ea9n b\u1ecb ch\u00ednh x\u00e1c c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u chu\u1ea9n. Lo\u1ea1i b\u1ecf s\u1ef1 can thi\u1ec7p ma tr\u1eadn th\u00f4ng qua chu\u1ea9n b\u1ecb m\u1eabu. Duy tr\u00ec hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb v\u00e0 x\u00e1c minh hi\u1ec7u su\u1ea5t.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h3>\n

Q1: Ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng khi ph\u00e2n t\u00edch c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 l\u00e0 g\u00ec?
\n<\/strong>A1: H\u1ea7u h\u1ebft c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 h\u1ea5p th\u1ee5 trong v\u00f9ng UV (200-400 nm), nh\u01b0ng b\u01b0\u1edbc s\u00f3ng ch\u00ednh x\u00e1c n\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean \u03bbmax c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua qu\u00e9t quang ph\u1ed5.<\/p>\n

Q2: M\u1ed9t quang ph\u1ed5 quang h\u1ecdc n\u00ean \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n bao l\u00e2u?
\n<\/strong>A2: \u0110i\u1ec1u chu\u1ea9n n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc m\u1ed7i ph\u00e2n t\u00edch l\u00f4 s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, v\u1edbi x\u00e1c minh hi\u1ec7u su\u1ea5t \u0111\u1ea7y \u0111\u1ee7 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n h\u00e0ng th\u00e1ng t\u00f9y thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 s\u1eed d\u1ee5ng.<\/p>\n

Q3: C\u00e1c m\u1eabu m\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y quang ph\u1ed5?
\n<\/strong>A3: Kh\u00f4ng, \u0111\u1ed9 m\u01a1 h\u1ed3 g\u00e2y ra s\u1ef1 ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u1ecdc \u0111\u1ed9 h\u1ea5p th\u1ee5 kh\u00f4ng ch\u00ednh x\u00e1c; C\u00e1c m\u1eabu c\u1ea7n \u0111\u01b0\u1ee3c l\u1ecdc ho\u1eb7c ly t\u00e2m tr\u01b0\u1edbc khi \u0111o.<\/p>","protected":false},"excerpt":{"rendered":"

  Spectrophotometry serves as a vital analytical method commonly used in chemical, biological, and life science labs. Its success in measuring solute concentrations relies on basic rules that connect light absorbance to the molecules present in a solution. The Basis of Light Absorbance and Transmittance Spectrophotometers function by gauging the amount of light that a […]<\/p>\n","protected":false},"author":1,"featured_media":4236,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-4241","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\/4241","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=4241"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4241\/revisions"}],"predecessor-version":[{"id":4242,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/posts\/4241\/revisions\/4242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media\/4236"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/media?parent=4241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/categories?post=4241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/vi\/wp-json\/wp\/v2\/tags?post=4241"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}