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Published on: August 30, 2018
New spectrophotometric method for determination of cephazolin
P Papazova1, P R Bontchev, M Kacarova
1Chemical Pharmaceutical Institute, Sofia, Bulgaria.
Talanta
|January 1, 1983
Summary
A new spectrophotometric method accurately determines cephazolin, a cephalosporin antibiotic. This method relies on acid hydrolysis and measuring a specific degradation product, 2-mercapto-5-methylthiadiazole.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Analysis
Background:
- Cephazolin is a widely used cephalosporin antibiotic.
- Accurate determination of cephazolin is crucial for quality control and therapeutic monitoring.
Purpose of the Study:
- To develop a simple, selective, and accurate spectrophotometric method for cephazolin determination.
- To utilize acid hydrolysis and measurement of a degradation product for quantification.
Main Methods:
- Acid hydrolysis of cephazolin.
- Spectrophotometric determination of 2-mercapto-5-methylthiadiazole, a hydrolysis product.
- Method validation for accuracy and selectivity.
Main Results:
- The developed method demonstrated simplicity, selectivity, and accuracy.
- Quantification was achieved by measuring the absorbance of 2-mercapto-5-methylthiadiazole.
- The method is suitable for routine analysis.
Conclusions:
- A novel spectrophotometric assay for cephazolin has been successfully developed.
- The method offers a reliable approach for quantifying cephazolin in pharmaceutical samples.
- This technique provides an efficient alternative for cephazolin analysis.

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