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Determination of Cholic Acids by Ion Selective Liquid Membrane Electrode in Pharmaceutical Products

 

作者: L. Campanella,   L. Sorrentino,   M. Tomassetti,  

 

期刊: Analytical Letters  （Taylor Available online 1982）
卷期: Volume 15, issue 18  

页码: 1515-1522

 

ISSN:0003-2719

 

年代: 1982

 

DOI:10.1080/00032718208065142

 

出版商: Taylor & Francis Group

 

关键词: Cholic acids;Potentiometric methods;Pharmaceutical products

 

数据来源: Taylor

 

摘要:

An ion selective electrode based on a liquid membrane, constituted by a solution of tributylcetylphosphonium benzoate in nitrobenzene, is employed to determine cholic acids in pharmaceutical products by calibration curve and standard addition methods. The results are compared with those obtained with enzymatic and calorimetric methods. The proposed technique is simple, rapid and sufficently accurate.

 

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