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Charge Transfer Complex Formation in Spectrophotometric Determination of Verapamil Hydrochloride

 

作者: Y.M. Issa,   A.A. Salem,   M.S. Bahbouh,  

 

期刊: Analytical Letters  （Taylor Available online 1997）
卷期: Volume 30, issue 6  

页码: 1153-1166

 

ISSN:0003-2719

 

年代: 1997

 

DOI:10.1080/00032719708004045

 

出版商: Taylor & Francis Group

 

关键词: C.T. complexes;chromotropic acid azo dyes;spectrophotometry;verapamil hydrochloride

 

数据来源: Taylor

 

摘要:

Two new spectrophotometric procedures for the determination of verapamil hydrochloride in pure as well as in pharmaceutical preparations were suggested. The methods are based on the formation of C.T. complexes with chromotrope 2B or chromotrope 2R azo dyes followed by extraction in chloroform and measuring the absorbances at 530 and 546 nm, respectively.

 

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