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The separation of anthraquinone derivatives of Rhubarb by miceller electrokinetic capillary chromatography

โœ Scribed by Chai Yi-feng; Ji Song-gang; Wu Yi-tian; Liang Dong-sheng; Xu Zi-ming

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
49 KB
Volume
12
Category
Article
ISSN
0269-3879

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โœฆ Synopsis

A micellar electrokinetic capillary chromatographic method was set up for the separation of five anthraquinone derivatives in rhubarb. Optimization of pH and sodium deoxycholate(SDC) concentrations was studied, which showed that 50 mM H3BO3-NaOH(pH 11) containing 25 mM SDC could separate the five ingredients completely within 10 min with good reproducibility of elution time.

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Separation and determination of anthraqu
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A micellar electrokinetic capillary chromatographic method was set up for the quality control of rhubarb and its preparations. Anthraquinone derivatives were separated successfully within 10 min in the buffer solution of 50 mmol/L H 3 BO 3 -NaOH (pH 11) containing 25 mmol/L sodium deoxycholate. The

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A micellar electrokinetic capillary chromatographic method for the separation of anthraquinone positional isomers was established. The running electrolytes used in this method were 0.03 M sodium dodecyl sulphate (SDS) in 0.03 M borate buffer (pH 9) containing 10% acetonitrile for dihydroxy-and dihyd