Solvatochromic characterization of silica-based stationary phases for liquid chromatography

被引：11

作者：

Ryu, YK

Park, JK

Lim, HJ

Parks, JH ^{[1
]}

机构：

[1] Yeungnam Univ, Dept Chem, Kyongsan 712749, South Korea

[2] Inst New Mat Chem, Kyongsan 712749, South Korea

来源：

CHROMATOGRAPHIA | 2000年 / 51卷 / 9-10期

关键词：

column liquid chromatography; silica bonded phases; solvatochromic characterization; hydrogen bond acidity and basicity; dipolarity;

D O I：

10.1007/BF02490814

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

UV-visible reflectance spectra of solvatochromic dyes and mobile phases with compositions in the ranges from 100 to 5 % (nu/nu) acetonitrile and methanol in water have been used to characterize octadecyl-, octyl-, phenyl-, cyano-, amino-, and diol-bonded silica stationary phases. Dipolarity/polarizability (pi*), hydrogen-bond (HB) donor acidity (alpha), and HE acceptor basicity (beta) of the stationary phases were determined in the mobile phases. Interaction properties of the stationary phases are affected both by the types of bonded moiety and by the composition of the mobile phase.

引用

页码：567 / 576

页数：10

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