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....

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Bibliographic Details
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)
Format: Article
Language:zho
Published: Zhejiang University Press 2002-11-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/zjup/1008-9497.2002.29.6.679-684