{"id":3143,"date":"2021-11-23T02:24:01","date_gmt":"2021-11-23T02:24:01","guid":{"rendered":"https:\/\/betatechco.com\/?p=3143"},"modified":"2022-06-14T15:31:13","modified_gmt":"2022-06-14T08:01:13","slug":"characteristics-and-things-need-to-know","status":"publish","type":"post","link":"https:\/\/betatechco.com\/en\/characteristics-and-things-need-to-know\/","title":{"rendered":"CHARACTERISTICS AND THINGS NEED TO KNOW!"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">M\u1ee4C L\u1ee4C<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/betatechco.com\/en\/characteristics-and-things-need-to-know\/#Phuong_Phap_Sac_Ky_Long_La_Gi\" title=\"Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng L\u00e0 G\u00ec?\">Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng L\u00e0 G\u00ec?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/betatechco.com\/en\/characteristics-and-things-need-to-know\/#HPLC_Va_UPLC_La_Gi\" title=\"HPLC V\u00e0 UPLC L\u00e0 G\u00ec?\">HPLC V\u00e0 UPLC L\u00e0 G\u00ec?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/betatechco.com\/en\/characteristics-and-things-need-to-know\/#Cau_Tao_Thiet_Bi_Sac_Ky_Long\" title=\"C\u1ea5u T\u1ea1o Thi\u1ebft B\u1ecb S\u1eafc K\u00fd L\u1ecfng:\">C\u1ea5u T\u1ea1o Thi\u1ebft B\u1ecb S\u1eafc K\u00fd L\u1ecfng:<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/betatechco.com\/en\/characteristics-and-things-need-to-know\/#Uu_Nhuoc_Diem_Cua_Phuong_Phap_Sac_Ky_Long\" title=\"\u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng\">\u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Phuong_Phap_Sac_Ky_Long_La_Gi\"><\/span><strong>Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng L\u00e0 G\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1eafc k\u00fd l\u1ecfng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch s\u1eafc k\u00fd c\u00e1c ch\u1ea5t d\u1ef1a tr\u00ean s\u1ef1 ph\u00e2n b\u1ed1 kh\u00e1c nhau c\u1ee7a ch\u00fang gi\u1eefa pha t\u0129nh v\u00e0 pha \u0111\u1ed9ng, trong \u0111\u00f3 pha \u0111\u1ed9ng l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng ch\u1ea3y qua pha t\u0129nh ch\u1ee9a trong c\u1ed9t ho\u1eb7c tr\u00ean b\u1ec1 m\u1eb7t ph\u1eb3ng.<br \/>\nQu\u00e1 tr\u00ecnh s\u1eafc k\u00fd l\u1ecfng ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf h\u1ea5p ph\u1ee5, ph\u00e2n b\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng, trao \u0111\u1ed5i ion, lo\u1ea1i tr\u1eeb theo k\u00edch th\u01b0\u1edbc ho\u1eb7c t\u01b0\u01a1ng t\u00e1c h\u00f3a h\u1ecdc l\u1eadp th\u1ec3.<\/p>\n<p>Khi pha t\u0129nh tr\u00ean b\u1ec1 m\u1eb7t ph\u1eb3ng, ta c\u00f3 ph\u01b0\u01a1ng ph\u00e1p s\u1eafc k\u00fd gi\u1ea5y, s\u1eafc k\u00fd b\u1ea3n m\u1ecfng. Trong b\u00e0i n\u00e0y, ch\u00fang t\u00f4i ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p khi pha t\u0129nh ch\u1ee9a trong c\u1ed9t. S\u1eafc k\u00fd l\u1ecfng ng\u00e0y nay th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t nh\u1ed3i r\u1ea5t nh\u1ecf v\u00e0 \u00e1p su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i cao \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1eafc k\u00fd l\u1ecfng hi\u1ec7u n\u0103ng cao (HPLC).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"HPLC_Va_UPLC_La_Gi\"><\/span><strong>HPLC V\u00e0 UPLC L\u00e0 G\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>HPLC \u2013 high performance liquid chromatography \u2013 s\u1eafc k\u00fd l\u1ecfng hi\u1ec7u n\u0103ng cao, tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1eafc k\u00fd l\u1ecfng \u00e1p su\u1ea5t cao. HPLC l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 chi\u1ebfm \u01b0u th\u1ebf v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ph\u00e2n t\u00edch trong 30 n\u0103m qua. H\u1ec7 th\u1ed1ng HPLC c\u00f3 th\u1ec3 x\u1eed l\u00fd \u00e1p su\u1ea5t l\u00ean \u0111\u1ebfn 6000 psi.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2112\" src=\"https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/16.webp\" alt=\"S\u1eaeC K\u00dd L\u1eceNG V\u00c0 NH\u1eeeNG \u0110I\u1ec0U C\u1ea6N BI\u1ebeT !\" width=\"520\" height=\"273\" srcset=\"https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/16.webp 800w, https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/16-300x158.webp 300w, https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/16-768x403.webp 768w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/p>\n<ul>\n<li>UPLC \u2013 Ultra Performance Liquid Chromatography \u2013 s\u1eafc k\u00fd l\u1ecfng si\u00eau hi\u1ec7u su\u1ea5t. UPLC \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng HPLC ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i do th\u1ebf m\u1ea1nh c\u1ee7a n\u00f3 trong vi\u1ec7c tang l\u01b0\u1ee3ng m\u1eabu ch\u1ea3y qua, hi\u1ec7u qu\u1ea3 s\u1eafc k\u00fd, \u0111\u1ed9 nh\u1ea1y v\u00e0 gi\u1ea3m th\u1eddi gian ch\u1ea1y. H\u1ec7 th\u1ed1ng UPLC c\u00f3 th\u1ec3 x\u1eed l\u00fd \u00e1p su\u1ea5t l\u00ean \u0111\u1ebfn 15000 psi.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-2116\" src=\"https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/hplc3.webp\" alt=\"S\u1eaeC K\u00dd L\u1eceNG V\u00c0 NH\u1eeeNG \u0110I\u1ec0U C\u1ea6N BI\u1ebeT !\" width=\"476\" height=\"357\" srcset=\"https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/hplc3.webp 960w, https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/hplc3-300x225.webp 300w, https:\/\/betatechco.com\/wp-content\/uploads\/2021\/11\/hplc3-768x576.webp 768w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><\/p>\n<p>C\u1ea3 HPLC v\u00e0 UPLC \u0111\u1ec1u l\u00e0 k\u1ef9 thu\u1eadt s\u1eafc k\u00fd l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t c\u00f3 trong h\u1ed7n h\u1ee3p, s\u1eed d\u1ee5ng \u00e1p su\u1ea5t cao \u0111\u1ec3 \u0111\u1ea9y dung m\u00f4i qua c\u00e1c c\u1ed9t. Tuy nhi\u00ean, UPLC ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t cao h\u01a1n v\u00e0 cho ph\u00e9p k\u00edch th\u01b0\u1edbc h\u1ea1t trong c\u1ed9t nh\u1ecf h\u01a1n. Ch\u00ednh v\u00ec v\u1eady, UPLC c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1ed9 nh\u1ea1y, ti\u00eau th\u1ee5 dung m\u00f4i th\u1ea5p h\u01a1n v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian ch\u1ea1y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau_Tao_Thiet_Bi_Sac_Ky_Long\"><\/span><strong>C\u1ea5u T\u1ea1o Thi\u1ebft B\u1ecb S\u1eafc K\u00fd L\u1ecfng:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Thi\u1ebft b\u1ecb s\u1eafc k\u00fd l\u1ecfng bao g\u1ed3m h\u1ec7 th\u1ed1ng b\u01a1m, b\u1ed9 ph\u1eadn ti\u00eam m\u1eabu, c\u1ed9t s\u1eafc k\u00fd, \u0111\u1ea7u d\u00f2 (detector) v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng thu nh\u1eadn, x\u1eed l\u00fd d\u1eef li\u1ec7u. Pha \u0111\u1ed9ng \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1eeb m\u1ed9t ho\u1eb7c v\u00e0i b\u00ecnh ch\u1ee9a v\u00e0 ch\u1ea3y qua c\u1ed9t, th\u00f4ng th\u01b0\u1eddng v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i v\u00e0 sau \u0111\u00f3 ch\u1ea1y qua detector.<\/p>\n<h3><strong>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng b\u01a1m<\/strong><\/h3>\n<p>Trong s\u1eafc k\u00fd l\u1ecfng, h\u1ec7 th\u1ed1ng b\u01a1m ph\u1ea3i gi\u1eef cho pha \u0111\u1ed9ng lu\u00f4n ch\u1ea3y v\u1edbi m\u1ed9t l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i. Nh\u1eefng bi\u1ebfn \u0111\u1ed5i \u00e1p su\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u, v\u00ed d\u1ee5 cho dung m\u00f4i ch\u1ea1y qua m\u1ed9t thi\u1ebft b\u1ecb gi\u1ea3m xung. H\u1ec7 th\u1ed1ng b\u01a1m sinh ra \u00e1p su\u1ea5t do \u0111\u00f3 \u1ed1ng d\u1eabn v\u00e0 h\u1ec7 th\u1ed1ng n\u1ed1i ph\u1ea3i l\u00e0 lo\u1ea1i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t n\u00e0y. C\u00e1c b\u01a1m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp v\u1edbi thi\u1ebft b\u1ecb lo\u1ea1i b\u1ecf b\u1ecdt kh\u00ed.<\/p>\n<p>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng b\u1ed9 vi x\u1eed l\u00fd c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p pha \u0111\u1ed9ng h\u1eb1ng \u0111\u1ecbnh ho\u1eb7c thay \u0111\u1ed5i t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n r\u1eeda gi\u1ea3i (r\u1eeda gi\u1ea3i gradient) theo m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh x\u00e1c \u0111\u1ecbnh. N\u1ebfu r\u1eeda gi\u1ea3i gradient, h\u1ec7 th\u1ed1ng b\u01a1m l\u1ea5y c\u00e1c dung m\u00f4i t\u1eeb m\u1ed9t v\u00e0i b\u00ecnh ch\u1ee9a v\u00e0 c\u00e1c dung m\u00f4i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn \u1edf \u00e1p su\u1ea5t th\u1ea5p ho\u1eb7c \u00e1p su\u1ea5t cao.<\/p>\n<h3><strong>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 ph\u1eadn ti\u00eam m\u1eabu<\/strong><\/h3>\n<p>M\u1eabu th\u1eed \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u00f2ng pha \u0111\u1ed9ng ho\u1eb7c v\u00e0o v\u1ecb tr\u00ed g\u1ea7n \u0111\u1ea7u ho\u1eb7c \u0111\u1ea7u c\u1ed9t nh\u1edd m\u1ed9t b\u1ed9 ph\u1eadn ti\u00eam m\u1eabu c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t cao. C\u00f3 th\u1ec3 d\u00f9ng v\u00f2ng ch\u1ee9a m\u1eabu th\u1eed th\u1ec3 t\u00edch c\u1ed1 \u0111\u1ecbnh ho\u1eb7c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 t\u00edch thay \u0111\u1ed5i.<\/p>\n<p>C\u00f3 th\u1ec3 ti\u00eam m\u1eabu b\u1eb1ng tay ho\u1eb7c t\u1ef1 \u0111\u1ed9ng. Ti\u00eam m\u1eabu b\u1eb1ng tay d\u1ec5 g\u00e2y ra sai s\u1ed1 \u0111o, th\u1ec3 t\u00edch ti\u00eam v\u00e0o v\u00f2ng ch\u1ee9a m\u1eabu kh\u00f4ng \u0111\u1ee7, n\u00ean \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi thao t\u00e1c ph\u1ea3i c\u00f3 k\u1ef9 n\u0103ng t\u1ed1t, thu\u1ea7n th\u1ee5c.<\/p>\n<h3><strong>N\u00ean s\u1eed d\u1ee5ng lo\u1ea1i pha t\u0129nh n\u00e0o trong s\u1eafc k\u00fd l\u1ecfng?<\/strong><\/h3>\n<p>C\u00f3 hai lo\u1ea1i pha t\u0129nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1eafc k\u00fd l\u1ecfng l\u00e0 pha t\u0129nh d\u1ea1ng r\u1eafn v\u00e0 pha t\u0129nh d\u1ea1ng l\u1ecfng. M\u1ed7i d\u1ea1ng l\u1ea1i c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, t\u00f9y theo \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u1ea5t c\u1ea7n t\u00e1ch, k\u1ef9 thu\u1eadt t\u00e1ch m\u00e0 l\u1ef1a ch\u1ecdn pha t\u0129nh ph\u00f9 h\u1ee3p.<\/p>\n<ul>\n<li>Silica (silic dioxyd), nh\u00f4m oxyd ho\u1eb7c than graphite x\u1ed1p th\u01b0\u1eddng d\u00f9ng trong s\u1eafc k\u00fd pha thu\u1eadn, qu\u00e1 tr\u00ecnh ph\u00e2n t\u00e1ch d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c nhau v\u1ec1 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 (ho\u1eb7c) ph\u00e2n b\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng.<\/li>\n<li>Nh\u1ef1a ho\u1eb7c polymer ch\u1ee9a c\u00e1c nh\u00f3m ch\u1ee9c axit ho\u1eb7c bazo, s\u1eed d\u1ee5ng trong s\u1eafc k\u00fd trao \u0111\u1ed5i ion, s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf trao \u0111\u1ed5i ion \u0111\u1ec3 t\u00e1ch c\u00e1c ch\u1ea5t ph\u00e2n t\u00edch d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec7n t\u00edch t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang.<\/li>\n<li>Silica x\u1ed1p ho\u1eb7c polymer, th\u01b0\u1eddng d\u00f9ng trong s\u1eafc k\u00fd l\u1ecdc gel (s\u1eafc k\u00fd r\u00e2y ph\u00e2n t\u1eed), d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c nhau v\u1ec1 k\u00edch th\u01b0\u1edbc ph\u00e2n t\u1eed \u0111\u1ec3 t\u00e1ch c\u00e1c ch\u1ea5t, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ef1 lo\u1ea1i tr\u1eeb kh\u00f4ng gian.<\/li>\n<li>R\u1ea5t nhi\u1ec1u ch\u1ea5t mang bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb polymer, silica gel ho\u1eb7c than graphite x\u1ed1p \u0111\u01b0\u1ee3c d\u00f9ng trong s\u1eafc k\u00fd l\u1ecfng \u0111\u1ea3o pha. Trong k\u1ef9 thu\u1eadt n\u00e0y, qu\u00e1 tr\u00ecnh t\u00e1ch c\u01a1 b\u1ea3n d\u1ef1a tr\u00ean s\u1ef1 ph\u00e2n b\u1ed1 ph\u00e2n t\u1eed c\u00e1c ch\u1ea5t gi\u1eefa pha \u0111\u1ed9ng v\u00e0 pha t\u0129nh.<\/li>\n<li>Pha t\u0129nh l\u00e0 lo\u1ea1i bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t, v\u00ed d\u1ee5 d\u1eabn xu\u1ea5t c\u1ee7a cellulose ho\u1eb7c amylose, protein ho\u1eb7c petid, cyclodextrin\u2026 th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 t\u00e1ch c\u00e1c \u0111\u1ed3ng ph\u00e2n \u0111\u1ed1i quang (s\u1eafc k\u00fd \u0111\u1ed1i quang).<\/li>\n<\/ul>\n<h3><strong>Pha \u0111\u1ed9ng c\u00f3 vai tr\u00f2 nh\u01b0 th\u1ebf n\u00e0o trong s\u1eafc k\u00fd l\u1ecfng?<\/strong><\/h3>\n<p>Pha \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 ph\u00e2n t\u00e1ch t\u1ed1t nh\u1ea5t. Ch\u1ea5t r\u1eeda gi\u1ea3i n\u00e0y \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean \u0111\u1ed9 ph\u00e2n c\u1ef1c c\u1ee7a n\u00f3 so v\u1edbi m\u1eabu v\u00e0 pha t\u0129nh.<\/p>\n<p>V\u1edbi pha t\u0129nh h\u1ea5p ph\u1ee5 ph\u00e2n c\u1ef1c m\u1ea1nh nh\u01b0 alumin, dung m\u00f4i ph\u00e2n c\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m pha \u0111\u1ed9ng s\u1ebd b\u1ecb pha t\u0129nh h\u1ea5p ph\u1ee5, c\u00f3 th\u1ec3 l\u00e0m d\u1ecbch chuy\u1ec3n c\u00e1c ph\u00e2n t\u1eed c\u1ee7a m\u1eabu trong h\u1ed7n h\u1ee3p v\u00e0 c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c th\u00e0nh ph\u1ea7n m\u1eabu r\u1eeda gi\u1ea3i thay \u0111\u1ed5i nhanh ch\u00f3ng. \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m m\u1eabu \u00edt b\u1ecb ph\u00e2n t\u00e1ch, v\u00ec v\u1eady t\u1ed1t nh\u1ea5t n\u00ean b\u1eaft \u0111\u1ea7u r\u1eeda gi\u1ea3i b\u1eb1ng dung m\u00f4i c\u00f3 \u0111\u1ed9 ph\u00e2n c\u1ef1c th\u1ea5p h\u01a1n \u0111\u1ec3 r\u1eeda gi\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n b\u1ecb h\u1ea5p ph\u1ee5 y\u1ebfu v\u00e0o pha t\u0129nh tr\u01b0\u1edbc.<\/p>\n<p>Dung m\u00f4i c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh t\u00e1ch \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 ph\u00e2n c\u1ef1c v\u00e0 do \u0111\u00f3 r\u1eeda gi\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi h\u01a1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y r\u1ea5t gi\u1ed1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1ch gradient \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1eafc k\u00fd l\u1ecfng hi\u1ec7u n\u0103ng cao (HPLC).<\/p>\n<h3><strong>C\u1ed9t s\u1eafc k\u00fd<\/strong><\/h3>\n<p>Pha t\u0129nh trong s\u1eafc k\u00fd l\u1ecfng th\u01b0\u1eddng l\u00e0 ch\u1ea5t r\u1eafn h\u1ea5p ph\u1ee5 t\u1ed1t; m\u1ed9t ch\u1ea5t r\u1eafn c\u00f3 th\u1ec3 gi\u1eef c\u00e1c h\u1ea1t kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i c\u1ee7a n\u00f3.<\/p>\n<p>\u0110\u1ea7u ti\u00ean, l\u1ed1i ra h\u1eb9p c\u1ee7a c\u1ed9t \u0111\u01b0\u1ee3c c\u1eafm b\u1eb1ng b\u00f4ng th\u1ee7y tinh ho\u1eb7c m\u1ed9t t\u1ea5m x\u1ed1p \u0111\u1ec3 n\u00e2ng \u0111\u1ee1 v\u1eadt li\u1ec7u nh\u1ed3i c\u1ed9t v\u00e0 gi\u1eef cho n\u00f3 kh\u00f4ng tho\u00e1t ra kh\u1ecfi \u1ed1ng. Sau \u0111\u00f3 ch\u1ea5t r\u1eafn h\u1ea5p ph\u1ee5 (th\u01b0\u1eddng l\u00e0 silica) \u0111\u01b0\u1ee3c \u0111\u00f3ng ch\u1eb7t v\u00e0o \u1ed1ng th\u1ee7y tinh \u0111\u1ec3 l\u00e0m c\u1ed9t t\u00e1ch.<\/p>\n<p>Vi\u1ec7c nh\u1ed3i pha t\u0129nh v\u00e0o c\u1ed9t th\u1ee7y tinh ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn \u0111\u1ec3 t\u1ea1o ra s\u1ef1 ph\u00e2n b\u1ed1 nguy\u00ean li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u. S\u1ef1 ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a ch\u1ea5t h\u1ea5p ph\u1ee5 \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a b\u1ecdt kh\u00ed v\u00e0 \/ ho\u1eb7c c\u00e1c k\u00eanh trong c\u1ed9t.<\/p>\n<p>\u0110\u1ec3 k\u1ebft th\u00fac vi\u1ec7c chu\u1ea9n b\u1ecb c\u1ed9t, dung m\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m pha \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u01b0a qua c\u1ed9t kh\u00f4. Sau \u0111\u00f3, c\u1ed9t \u0111\u01b0\u1ee3c cho l\u00e0 &#8220;l\u00e0m \u01b0\u1edbt&#8221; v\u00e0 c\u1ed9t ph\u1ea3i v\u1eabn c\u00f2n \u01b0\u1edbt trong to\u00e0n b\u1ed9 th\u00ed nghi\u1ec7m. Khi c\u1ed9t \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb ch\u00ednh x\u00e1c, m\u1eabu c\u1ea7n t\u00e1ch s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u c\u1ed9t \u01b0\u1edbt.<\/p>\n<h3><strong>Nh\u1eefng g\u1ee3i \u00fd v\u1ec1 Detector<\/strong><\/h3>\n<p>C\u00e1c \u0111\u1ea7u d\u00f2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1eafc k\u00fd l\u1ecfng nh\u01b0:<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 (Refractive index detector)<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 UV\/Vis<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 hu\u1ef3nh quang (Flourescence detector)<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n (Conductivity detector)<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 \u0111i\u1ec7n h\u00f3a (Electrochemical detector \u2013 ECD)<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 kh\u1ed1i ph\u1ed5 (MS)<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 chu\u1ed7i diod (PDA)<br \/>\n\u2026<br \/>\nTrong \u0111\u00f3 \u0111\u1ea7u d\u00f2 UV\/Vis v\u00e0 \u0111\u1ea7u d\u00f2 chu\u1ed1i diod th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. T\u00f9y theo ch\u1ea5t c\u1ea7n ph\u00e2n t\u00edch, gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n mong mu\u1ed1n\u2026 m\u00e0 ng\u01b0\u1eddi ta l\u1ef1a ch\u1ecdn \u0111\u1ea7u d\u00f2 ph\u00f9 h\u1ee3p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uu_Nhuoc_Diem_Cua_Phuong_Phap_Sac_Ky_Long\"><\/span><strong>\u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>\u01afu \u0111i\u1ec3m c\u1ee7a s\u1eafc k\u00fd l\u1ecfng:<\/strong><\/h3>\n<p>&#8211; C\u00f3 kh\u1eb3 n\u0103ng \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ed3ng th\u1eddi c\u00e1c ch\u1ea5t c\u00f3 \u0111\u1ed9 ph\u00e2n c\u1ef1c g\u1ea7n nhau<br \/>\n&#8211; \u0110\u1ea7u d\u00f2 hi\u1ec7u n\u0103ng cao, \u0111\u1ed9 nh\u1ea1y cao<br \/>\n&#8211; H\u1eefu hi\u1ec7u trong \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 nhi\u1ec7t th\u1ee7y ph\u00e2n th\u1ea5p<\/p>\n<h3><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a s\u1eafc k\u00fd l\u1ecfng:<\/strong><\/h3>\n<p>&#8211; Th\u1eddi gian gian l\u00e0m s\u1ea1ch v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ed9t s\u1eafc k\u00fd sau c\u00e1c l\u1ea7n ch\u1ea1y l\u00e2u<br \/>\n&#8211; T\u1ed1n nhi\u1ec1u dung m\u00f4i h\u1eefu c\u01a1<br \/>\n&#8211; So v\u1edbi s\u1eafc k\u00fd kh\u00ed, s\u1eafc k\u00fd l\u1ecfng lu\u00f4n l\u00e0 k\u1ef9 thu\u1eadt ch\u1eadm h\u01a1n.<br \/>\n&#8211; S\u1eafc k\u00fd l\u1ecfng c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ec9nh cao h\u01a1n ho\u1eb7c m\u1edf r\u1ed9ng d\u1ea3i v\u00e0 do \u0111\u00f3 c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u1ea5p h\u01a1n so v\u1edbi s\u1eafc k\u00fd kh\u00ed.<\/p>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><span style=\"color: #33cccc;\"><b>C\u00d4NG TY TNHH BETA TECHNOLOGY<\/b><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0S\u1ed1 nh\u00e0 17, \u0110\u01b0\u1eddng s\u1ed1 12, Khu d\u00e2n c\u01b0 Cityland Park Hills, Ph\u01b0\u1eddng 10, Qu\u1eadn G\u00f2 V\u1ea5p, TP H\u1ed3 Ch\u00ed Minh<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a00286 2727 095 &#8211; 0286 2761 581 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a00903 042 747 &#8211; Mr. Trung<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0sales@betatechco.com<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><a href=\"http:\/\/betatechco.com\/\"><span style=\"font-weight: 400;\">http:\/\/betatechco.com\/<\/span><\/a><span style=\"font-weight: 400;\"> &#8211;<\/span><a href=\"https:\/\/thinghiemxangdau.vn\/?fbclid=IwAR1b9ADjIADcwHNVa59aVzYN3JArT0MNjdVnpweJbnyX3XWOVx6cek-CoWY\"> <span style=\"font-weight: 400;\">https:\/\/thinghiemxangdau.vn\/<\/span><\/a><span style=\"font-weight: 400;\"> &#8211;<\/span><a href=\"https:\/\/thietbihoanghiem.com\/?fbclid=IwAR0CLC_mrqAweWADSSVk6h6t9eVy3md44XTbvzSWYNGXecgGRP1pZ4pZqFY\"> <span style=\"font-weight: 400;\">https:\/\/thietbihoanghiem.com\/<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee4C L\u1ee4C Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng L\u00e0 G\u00ec?HPLC V\u00e0 UPLC L\u00e0 G\u00ec?C\u1ea5u T\u1ea1o Thi\u1ebft B\u1ecb S\u1eafc K\u00fd L\u1ecfng:\u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng Ph\u01b0\u01a1ng Ph\u00e1p S\u1eafc K\u00fd L\u1ecfng L\u00e0 G\u00ec? S\u1eafc k\u00fd l\u1ecfng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch s\u1eafc k\u00fd c\u00e1c ch\u1ea5t d\u1ef1a tr\u00ean s\u1ef1 ph\u00e2n b\u1ed1 kh\u00e1c nhau c\u1ee7a ch\u00fang gi\u1eefa<\/p>\n","protected":false},"author":1,"featured_media":4706,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[84],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CHARACTERISTICS AND THINGS NEED TO KNOW!<\/title>\n<meta name=\"description\" content=\"Ph\u01b0\u01a1ng ph\u00e1p s\u1eafc k\u00fd l\u1ecfng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1 ph\u1ed5 bi\u1ebfn, d\u1ef1a tr\u00ean gi\u1ef1a tr\u00ean vi\u1ec7c t\u00e1ch s\u1eafc k\u00fd c\u00e1c ch\u1ea5t d\u1ef1a tr\u00ean s\u1ef1 ph\u00e2n b\u1ed1 kh\u00e1c nhau gi\u1eefa...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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