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Determination of Binary Mixtures of Beta-Lactam Antibiotics by Ratio-Spectra Fourth-Derivative Spectrophotometry

 

作者: Basilio Morelli,  

 

期刊: Analytical Letters  （Taylor Available online 1999）
卷期: Volume 32, issue 13  

页码: 2653-2664

 

ISSN:0003-2719

 

年代: 1999

 

DOI:10.1080/00032719908542995

 

出版商: Taylor & Francis Group

 

关键词: Derivative spectrophotometry;ratio-spectra measurements;ampicillin;dicloxacillin;beta-lactam antibiotics

 

数据来源: Taylor

 

摘要:

Ratio - spectra fourth - derivative spectrophotometry has been developed for simultaneous determination of the beta-lactam antibiotics ampicillin sodium and dicloxacillin sodium. The amplitude in the fourth derivative of ratio - spectra at 223.5 nm was selected to determine ampicillin and those at 207 and 225 nm to determine dicloxacillin.

 

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