SEPARATION OF COUMARINS BY MICELLAR ELECTROKINETIC CAPILLARY CHROMATOGRAPHY

被引:23
作者
CHEN, CT [1 ]
SHEU, SJ [1 ]
机构
[1] NATL TAIWAN NORMAL UNIV, DEPT CHEM, TAIPEI, TAIWAN
关键词
D O I
10.1016/0021-9673(95)00509-9
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Nine coumarins were successfully separated simultaneously using micellar electrokinetic capillary chromatography with 4-hydroxybenzoic acid as an internal standard. A carrier composed of buffer solution (20 mM sodium dodecyl sulfate-15 mM sodium borate-15 mM sodium dihydrogenphosphate)-acetonitrile (24:1) was found to be the most suitable electrolyte for this separation. The analysis time (22 min) was shorter than that using high-performance liquid chromatography (47 min). Contents of coumarins in the crude drug of Angelicae Tuhou Radix could be easily determined by the proposed method.
引用
收藏
页码:323 / 329
页数:7
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