Solvatochromic characterization of Silica-based stationary phases for liquid chromatography

被引：0
作者：
Y. K. Ryu
J. K. Park
H. J. Lim
J. H. Park
机构：
[1] Yeungnam University,Department of Chemistry and Institute of New Materials Chemistry
来源：
Chromatographia | 2000年 / 51卷
关键词：
Column liquid chromatography; Silica bonded phases; Solvatochromic characterization; Hydrogen bond acidity and basicity; Dipolarity;
D O I：
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摘要：
UV-visible reflectance spectra of solvatochromic dyes and mobile phases with compositions in the ranges from 100 to 5% (v/v) acetonitrile and methanol in water have been used to characterize octadecyl-, octyl-, phenyl-, cyano-, amino-, and diol-bonded silica stationary phases. Dipolarity/polarizability π*, hydrogen-bond (HB) donor acidity (α), and HB acceptor basicity (β) 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.
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页码：567 / 576
页数：9
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