{"id":4449,"date":"2026-03-04T15:17:52","date_gmt":"2026-03-04T07:17:52","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4449"},"modified":"2026-03-06T18:12:18","modified_gmt":"2026-03-06T10:12:18","slug":"portable-vs-benchtop-spectrophotometers-pros-cons-and-best-use-cases","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/news\/portable-vs-benchtop-spectrophotometers-pros-cons-and-best-use-cases\/","title":{"rendered":"Portable vs. Benchtop Spectrophotometers \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t"},"content":{"rendered":"

\"Portable<\/h1>\n

 <\/p>\n

M\u00e1y quang ph\u1ed5 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong c\u1ea3 th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 t\u1ea1i ch\u1ed7. Ch\u00fang \u0111o \u0111\u1ed9 h\u1ea5p th\u1ee5 ho\u1eb7c \u0111\u1ed9 truy\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u tr\u00ean c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau. M\u1ed9t m\u00e1y quang ph\u1ed5 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb ph\u00e2n t\u00edch quan tr\u1ecdng, xu\u1ea5t hi\u1ec7n trong h\u1ea7u h\u1ebft c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m h\u00f3a h\u1ecdc, sinh h\u1ecdc ho\u1eb7c khoa h\u1ecdc cu\u1ed9c s\u1ed1ng. C\u00e1c vai tr\u00f2 n\u00e0y bao g\u1ed3m gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, th\u1eed nghi\u1ec7m d\u01b0\u1ee3c ph\u1ea9m, ki\u1ec3m tra an to\u00e0n th\u1ef1c ph\u1ea9m v\u00e0 nghi\u00ean c\u1ee9u h\u00f3a h\u1ecdc.<\/p>\n

C\u00e1c thi\u1ebft b\u1ecb n\u00e0y r\u1ea5t quan tr\u1ecdng cho c\u1ea3 c\u00f4ng vi\u1ec7c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng, v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a ch\u00fang cho ph\u00e9p s\u1eed d\u1ee5ng t\u1eeb ph\u00e1t hi\u1ec7n d\u1ea5u v\u1ebft nh\u1ecf trong thu\u1ed1c \u0111\u1ebfn ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng th\u01b0\u1eddng xuy\u00ean trong s\u1ea3n xu\u1ea5t \u0111\u1ed3 u\u1ed1ng. C\u00e1c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 v\u1eady cho th\u1ea5y gi\u00e1 tr\u1ecb c\u1ee7a ch\u00fang trong nhi\u1ec1u l\u0129nh v\u1ef1c. Ch\u1ecdn gi\u1eefa m\u00e1y quang ph\u1ed5 di \u0111\u1ed9ng v\u00e0 m\u00e1y t\u00ednh tr\u00ean b\u00e0n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch r\u1ea5t nhi\u1ec1u. C\u00e1c lo\u1ea1i di \u0111\u1ed9ng c\u0103ng th\u1eb3ng chuy\u1ec3n \u0111\u1ed9ng v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi nhanh ch\u00f3ng. Nh\u1eefng c\u00e1i tr\u00ean b\u00e0n gh\u1ebf cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 ch\u1ee9c n\u0103ng t\u1ed1t h\u01a1n, v\u00e0 nh\u1eefng \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng trong c\u00e1c thi\u1ebft l\u1eadp nghi\u00eam ng\u1eb7t ho\u1eb7c c\u00e1c m\u1eabu kh\u00f3 kh\u0103n.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 di \u0111\u1ed9ng v\u00e0 Benchtop Spectrophotometers kh\u00e1c nhau v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt?<\/b><\/strong><\/h2>\n

M\u00e1y quang ph\u1ed5 tr\u00ean b\u00e0n th\u01b0\u1eddng c\u00f3 quang h\u1ecdc ch\u00f9m k\u00e9p, c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch ki\u1ec3m tra m\u1ed9t ch\u00f9m tr\u1ed1ng v\u00e0 m\u1ed9t ch\u00f9m m\u1eabu c\u00f9ng nhau. T8DCS l\u00e0 m\u1ed9t quang ph\u1ed5 k\u00e9p ch\u00f9m m\u1ea1nh m\u1ebd, c\u00f3 b\u0103ng th\u00f4ng ph\u1ed5 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn t\u1eeb 0,1-5nm m\u00e0 kh\u00f4ng c\u1ea7n d\u1eebng l\u1ea1i. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 T8DCS UV-vis<\/b><\/u><\/strong><\/a>\u00a0V\u00e0 T9DCS UV-Vis<\/b><\/u><\/strong><\/a>\u00a0cung c\u1ea5p \u0111\u1ed9 s\u1eafc n\u00e9t quang h\u1ecdc tuy\u1ec7t v\u1eddi, v\u00e0 h\u1ecd s\u1eed d\u1ee5ng l\u01b0\u1edbi holographic v\u00e0 m\u00e1y d\u00f2 photomultiplier cho \u0111i\u1ec1u n\u00e0y.<\/p>\n

C\u00e1c \u0111\u01a1n v\u1ecb di \u0111\u1ed9ng th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft l\u1eadp ch\u00f9m \u0111\u01a1n thay v\u00e0o \u0111\u00f3, gi\u1eef cho b\u00ean trong \u0111\u01a1n gi\u1ea3n. N\u00f3 cho ph\u00e9p b\u1ea1n \u0111\u1ecdc nhanh h\u01a1n trong l\u0129nh v\u1ef1c, nh\u01b0ng s\u1ef1 d\u1ec5 d\u00e0ng n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 s\u1eafc n\u00e9t v\u00e0 l\u00e0m cho n\u00f3 d\u1ec5 b\u1ecb thay \u0111\u1ed5i ch\u1eadm. B\u01b0\u1edbc s\u00f3ng \u0111\u00e1nh d\u1ea5u m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn kh\u00e1c. C\u00e1c lo\u1ea1i tr\u00ean b\u00e0n th\u01b0\u1eddng \u0111i t\u1eeb tia c\u1ef1c t\u00edm s\u00e2u \u1edf 185 nm \u0111\u1ebfn h\u1ed3ng ngo\u1ea1i g\u1ea7n \u1edf 900 nm. Nh\u1eefng chi\u1ebfc di \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1eed l\u00fd ph\u1ea1m vi \u00edt h\u01a1n do k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n

D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 truy\u1ec1n qua c\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h3>\n

H\u1ec7 th\u1ed1ng Benchtop li\u00ean k\u1ebft v\u1edbi PC \u0111\u1ec3 l\u00e0m vi\u1ec7c d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng qua c\u00e1c b\u1ed9 ph\u1ea7n m\u1ec1m th\u00f4ng minh. V\u00ed d\u1ee5, nh\u1eefng ng\u01b0\u1eddi c\u00f3 ph\u1ea7n m\u1ec1m UV-Win cho ph\u00e9p xem ph\u1ed5 3D, nghi\u00ean c\u1ee9u t\u1ef7 l\u1ec7 v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy t\u1eafc GLP. M\u00e1y quang ph\u1ed5 di \u0111\u1ed9ng s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb t\u00edch h\u1ee3p ho\u1eb7c li\u00ean k\u1ebft nh\u01b0 Bluetooth ho\u1eb7c Wi-Fi \u0111\u1ec3 di chuy\u1ec3n d\u1eef li\u1ec7u. M\u1ed9t s\u1ed1 c\u00f3 giao di\u1ec7n \u1ee9ng d\u1ee5ng cho c\u00e1c b\u00e1o c\u00e1o tr\u01b0\u1eddng d\u1ec5 d\u00e0ng. Tuy nhi\u00ean, h\u1ecd c\u00f3 th\u1ec3 b\u1ecf l\u1ee1 vi\u1ec7c theo d\u00f5i m\u1ea1nh m\u1ebd c\u1ea7n thi\u1ebft cho c\u00e1c b\u00e0i ki\u1ec3m tra nghi\u00eam ng\u1eb7t.<\/p>\n

Nh\u1eefng \u0111i\u1ec3m m\u1ea1nh c\u1ee7a m\u00e1y quang ph\u1ed5 di \u0111\u1ed9ng l\u00e0 g\u00ec?<\/b><\/strong><\/h2>\n

D\u1ec5 mang theo c\u00f3 ngh\u0129a l\u00e0 thi\u1ebft l\u1eadp nhanh ch\u00f3ng \u1edf c\u00e1c \u0111i\u1ec3m b\u00ean ngo\u00e0i ph\u00f2ng th\u00ed nghi\u1ec7m, ch\u1eb3ng h\u1ea1n nh\u01b0 khu v\u1ef1c nh\u00e0 m\u00e1y ho\u1eb7c \u0111\u1ecba \u0111i\u1ec3m thi\u00ean nhi\u00ean. Ch\u1ea1y b\u1eb1ng pin lo\u1ea1i b\u1ecf nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng t\u01b0\u1eddng, cho ph\u00e9p b\u1ea1n th\u1eed nghi\u1ec7m \u1edf nh\u1eefng n\u01a1i xa x\u00f4i ho\u1eb7c th\u00f4 b\u1ea1o. C\u00e1c A3AFG<\/b><\/u><\/strong><\/a>\u00a0l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p t\u1ed1t, \u0111\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf \u0111\u1ec3 t\u00ecm ki\u1ebfm kim lo\u1ea1i d\u1ea5u v\u1ebft trong n\u00f4ng nghi\u1ec7p, ki\u1ec3m tra thi\u00ean nhi\u00ean ho\u1eb7c an to\u00e0n th\u1ef1c ph\u1ea9m. N\u00f3 c\u00f3 c\u1ea3 m\u1ed9t m\u00e1y ph\u00f3ng nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda v\u00e0 m\u1ed9t m\u00e1y ph\u00f3ng nguy\u00ean t\u1eed graphite. B\u1ea1n chuy\u1ec3n \u0111\u1ed5i ch\u00fang \u0111\u01a1n gi\u1ea3n v\u1edbi ph\u1ea7n m\u1ec1m, cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn m\u00e0 kh\u00f4ng m\u1ea5t vi\u1ec7c x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n.<\/p>\n

Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy c\u1eadp?<\/b><\/strong><\/h3>\n

C\u00e1c c\u00f4ng c\u1ee5 tr\u01b0\u1eddng c\u00f3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng r\u00f5 r\u00e0ng. Ch\u00fang bao g\u1ed3m m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng ho\u1eb7c c\u00e1c n\u00fat c\u01a1 b\u1ea3n, l\u00e0m cho ch\u00fang m\u1edf c\u1eeda cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng \u0111\u1eb7c bi\u1ec7t. H\u1ecd c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft l\u1eadp \u00edt, l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 th\u1eddi gian chu\u1ea9n b\u1ecb. N\u00f3 c\u0169ng l\u00e0m gi\u1ea3m nhu c\u1ea7u \u0111\u00e0o t\u1ea1o cho c\u00f4ng nh\u00e2n ho\u1eb7c sinh vi\u00ean ng\u1eafn h\u1ea1n.<\/p>\n

Nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t cho c\u00e1c m\u00f4 h\u00ecnh di \u0111\u1ed9ng?<\/b><\/strong><\/h2>\n

Quang h\u1ecdc ch\u00f9m \u0111\u01a1n trong c\u00e1c m\u00f4 h\u00ecnh di \u0111\u1ed9ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i theo th\u1eddi gian. \u0110\u1ec3 c\u00e1c nh\u00e0 ph\u00e2n t\u00edch tin t\u01b0\u1edfng v\u00e0o m\u00e1y quang ph\u1ed5’ c\u00f4ng vi\u1ec7c v\u00e0 \u0111\u1ecdc ch\u00ednh x\u00e1c, h\u1ecd c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh ch\u1ea1y t\u1ed1t. \u0110\u00e2y l\u00e0 Linearity, Wavelength, Bandwidth v\u00e0 Stray Light. \u0110\u1ed9 s\u1eafc n\u00e9t quang ph\u1ed5 th\u1ea5p h\u01a1n l\u00e0m cho n\u00f3 kh\u00f3 \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u1ec9nh h\u1ea5p th\u1ee5 g\u1ea7n. \u0110\u00e2y l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eabu c\u1ee9ng nh\u01b0 n\u01b0\u1edbc t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h3>\n

C\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u1ed1i ph\u00f3 v\u1edbi b\u1ee5i, \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t thay \u0111\u1ed5i. T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn c\u00e0i \u0111\u1eb7t quang h\u1ecdc ho\u1eb7c c\u00f4ng vi\u1ec7c c\u1ea3m bi\u1ebfn. B\u1ea1n th\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i \u0111\u1ec3 gi\u1eef \u0111\u1ed9 ch\u00ednh x\u00e1c, v\u00e0 \u0111i\u1ec1u n\u00e0y l\u00e0 kh\u00f3 kh\u0103n \u1edf nh\u1eefng n\u01a1i xa m\u00e0 kh\u00f4ng c\u00f3 ki\u1ec3m tra ti\u00eau chu\u1ea9n.<\/p>\n

T\u1ea1i sao ch\u1ecdn m\u00e1y quang ph\u1ed5 tr\u00ean b\u00e0n cho ph\u00e2n t\u00edch n\u00e2ng cao?<\/b><\/strong><\/h2>\n

C\u00e1c c\u00f4ng c\u1ee5 tr\u00ean b\u00e0n l\u00e0m vi\u1ec7c cung c\u1ea5p \u0111\u1ed9 nh\u1ea1y t\u1ed1i \u0111a, \u0111\u1ebfn t\u1eeb c\u00e1c monochromators k\u00e9p, x\u00e2y d\u1ef1ng \u00e1nh s\u00e1ng l\u1ea1c \u0111\u01b0\u1eddng th\u1ea5p v\u00e0 ph\u1ea1m vi \u0111\u1ed9ng r\u1ed9ng. T10DCS c\u00f3 \u00e1nh s\u00e1ng l\u1ea1c l\u00f9ng r\u1ea5t th\u1ea5p (\u22640,00004% T @ 220nm) v\u00e0 ph\u1ea1m vi quang h\u1ecdc r\u1ed9ng (-8,0 ~ 8,0 Abs), ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng tia c\u1ef1c t\u00edm s\u00e2u. \u0110i\u1ec1u n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u00ecm th\u1ea5y c\u00e1c t\u1ea1p ch\u1ea5t nh\u1ecf trong thu\u1ed1c ho\u1eb7c ch\u1ea5t \u00f4 nhi\u1ec5m \u1edf m\u1ee9c ppb.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng th\u00f4ng tin ph\u00f2ng th\u00ed nghi\u1ec7m?<\/b><\/strong><\/h3>\n

C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y tham gia c\u00e1c n\u1ec1n t\u1ea3ng LIMS m\u1ed9t c\u00e1ch tr\u01a1n tru. Ch\u00fang cho ph\u00e9p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ef1 \u0111\u1ed9ng, theo d\u00f5i ki\u1ec3m to\u00e1n, c\u00f4ng vi\u1ec7c h\u00e0ng lo\u1ea1t v\u00e0 l\u01b0u tr\u1eef d\u00e0i. T\u1ea5t c\u1ea3 \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi quy t\u1eafc GMP \/ GLP.<\/p>\n

M\u00f4 h\u00ecnh Benchtop r\u01a1i ng\u1eafn \u1edf \u0111\u00e2u?<\/b><\/strong><\/h2>\n

K\u00edch th\u01b0\u1edbc l\u1edbn c\u1ee7a ch\u00fang v\u00e0 nhu c\u1ea7u \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh nh\u01b0 ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 b\u1ea3o v\u1ec7 run l\u00e0m cho ch\u00fang kh\u00f4ng ph\u00f9 h\u1ee3p b\u00ean ngo\u00e0i ph\u00f2ng th\u00ed nghi\u1ec7m, h\u1ea1n ch\u1ebf ch\u00fang \u1edf c\u00e1c \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh.<\/p>\n

C\u00f2n nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 chi ph\u00ed th\u00ec sao?<\/b><\/strong><\/h3>\n

C\u00e1c t\u00ednh n\u0103ng t\u1ed1t h\u01a1n t\u1ed1n nhi\u1ec1u h\u01a1n ban \u0111\u1ea7u, v\u00e0 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c t\u00ednh n\u0103ng di \u0111\u1ed9ng. Ngo\u00e0i ra, c\u00e1c giao d\u1ecbch d\u1ecbch v\u1ee5 v\u00e0 hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean th\u00eam v\u00e0o chi ph\u00ed ch\u1ea1y tr\u00ean c\u00f4ng c\u1ee5’ S cu\u1ed9c s\u1ed1ng.<\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng m\u1ed7i lo\u1ea1i m\u00e1y quang ph\u1ed5?<\/b><\/strong><\/h2>\n

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\"T7D<\/p>\n

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