SEPARATION OF ISOMERIC COMPOUNDS BY REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY USING AG+ COMPLEXATION - APPLICATION TO CIS-TRANS FATTY-ACID METHYL-ESTERS AND RETINOIC ACID PHOTOISOMERS

被引:10
作者
BAILLET, A
CORBEAU, L
RAFIDISON, P
FERRIER, D
机构
[1] Centre d'Études Pharmaceutiques, Laboratoire de Chimie Analytique, F-92296 Chatenay-Malabry Cedex, Rue J.B. Clément
来源
JOURNAL OF CHROMATOGRAPHY | 1993年 / 634卷 / 02期
关键词
D O I
10.1016/0021-9673(93)83011-G
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The improvement of the chromatographic efficiency using Ag+ complexing reversed-phase liquid chromatography for the analysis of geometric isomers was studied. The influence of the nature and concentration of silver salts on pi-complex formation was investigated with two types of sample, fatty acid methyl esters and trans-retinoic acid photoisomers. First, the separations of cis-trans-linoleic acids and cis-trans-oleic acids were confirmed. Second, the pi-complexation was shown to occur with more complex chemical structures such as trans-retinoic acid and its photoisomers. The chromatographic separation of seven geometric isomers of trans-retinoic acid was then carried out with good efficiency in half the time required in previous work.
引用
收藏
页码:251 / 256
页数:6
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