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聚四氟乙烯過(guò)濾柱PFA過(guò)濾裝置上下墊片半導體新材料氟化氫精餾柱

更新:2024-04-11 16:06:08 點(diǎn)擊:
  • 產(chǎn)品品牌 南京瑞尼克
  • 產(chǎn)品型號
  • 在線(xiàn)訂購
產(chǎn)品介紹

柱層析技術(shù)也稱(chēng)柱色譜技術(shù)。一根柱子里先填充不溶性基質(zhì)形成固定相,將樣品加到柱子上后用特別的溶劑洗脫,溶劑組成流動(dòng)相。在樣品從柱子上洗脫下來(lái)的過(guò)程中,根據混合物中各組分在固定向和流動(dòng)相中的分配系數不同經(jīng)過(guò)多次反復分配,將不同組分逐一分離。  硅膠層析法的分離原理是根據物質(zhì)在硅膠上的吸附力不同而得到分離,一般情況下極性較大的物質(zhì)易被硅膠吸附,極性較弱的物質(zhì)不易被硅膠吸附,整個(gè)層析過(guò)程即是吸附、解吸、再吸附、再解吸過(guò)程。根據填充基質(zhì)和樣品分配交換原理不同,離子交換層析,凝膠過(guò)濾層析和親和層析是三種分離混合物的經(jīng)典層析技術(shù)。
產(chǎn)品特點(diǎn):
材質(zhì):特氟龍材質(zhì)耐受強酸強堿
耐溫:1-200
耐壓:PFA透明在常壓使用, 四氟材質(zhì)可耐受1-2公斤壓力,具體規格壓力不同

篩板大。簶(shù)脂直徑是0.3mm
兩頭可以接管子


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