Study of separating organic acids with capillary electrophoresis(用毛细管电泳方法分离有机酸的研究)
利用3-氨丙基三甲氧基硅烷(3-APS)作为偶联剂将2,4-二硝基氯苯键合到电泳毛细管内壁上,形成具有一定疏水性的键合相.考察了改性柱对小分子有机酸的分离情况,在40 mmol/L的KH2PO4(pH=5.5)缓冲溶液中可得最佳分离.结合量子化学计算数据进行保留机理的探索,可以确定存在着不同电性的集团间的相互作用....
Main Authors: | SHENXiao-chun(沈晓春), CHENPing(陈平), GUOWei-qiang(郭伟强), LENGTao-hua(冷桃花), DONGMin-li(董明利) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2002-11-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2002.29.6.679-684 |
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