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Artifactual Signal Splitting in the Capillary Electrophoresis Analysis of Organic Acids in Wine

 

作者: RichardS. Monson,   ThomasS. Collins,   AndrewL. Waterhouse*,  

 

期刊: Analytical Letters  （Taylor Available online 1997）
卷期: Volume 30, issue 9  

页码: 1753-1759

 

ISSN:0003-2719

 

年代: 1997

 

DOI:10.1080/00032719708001691

 

出版商: Taylor & Francis Group

 

关键词: capillary zone electrophoresis;artifactual signal splitting;wine acid analysis;electromigration dispersion

 

数据来源: Taylor

 

摘要:

An artifactual signal splitting was observed for acetic acid during the capillary zone electrophoresis of wine acids. Further study revealed that other comparably weak acids, propionic and butyric, show a similar split. Stronger carboxylic acids, formic, tartaric, malic, citric, and lactic acids showed no artifactual signal splits under the analysis conditions. Succinic acid showed intermediate behavior. The signal splitting could be eliminated by reducing the sample size and/or by employing the background electrolyte as the diluant.

 

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