COMPARISON OF ETHOXYLATED ALCOHOLS AND POLYETHYLENE GLYCOLS BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY AND SUPERCRITICAL FLUID CHROMATOGRAPHY USING EVAPORATIVE LIGHT-SCATTERING DETECTION

被引：53

作者：

BROSSARD, S ^{[1
]}

LAFOSSE, M ^{[1
]}

DREUX, M ^{[1
]}

机构：

[1] UNIV ORLEANS,CHIM BIOORGAN & ANALYT LAB,URA 499,BP 6759,F-45067 ORLEANS 2,FRANCE

来源：

JOURNAL OF CHROMATOGRAPHY | 1992年 / 591卷 / 1-2期

关键词：

D O I：

10.1016/0021-9673(92)80232-J

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Ethoxylated alcohols are surfactants whose oligomer distributions are conventionally determined by high-performance liquid chromatography. However, this method cannot resolve individual oligomers with a high degree of ethoxylation. Further, normal- and reversed-phase liquid chromatography cannot give the fingerprints for both the ethoxylated alcohols and polyethylene glycols, the synthetic residues without surfactant properties. Supercritical fluid chromatography coupled with evaporative light-scattering detection was developed for the analysis of these mixtures which do not contain chromophores.

引用

页码：149 / 157

页数：9

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