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Original Article

J App Pharm Sci. 2015; 5(1): 037-041


Validated UV-Visible Spectrophotometric method for simultaneous estimation of Cefixime and Moxifloxacin in Pharmaceutical Dosage Form

Sanjay S Pekamwar, Tukaram M Kalyankar, Bhaskar V Tambe, Shailesh J Wadher.




Abstract

A simple, accurate, sensitive, economical and reliable spectrophotometric method like difference spectrophotometric method was developed and validated for the estimation of cefixime and moxifloxacin in pharmaceutical dosage form. The optimum conditions for the analysis of the drugs were established. First order derivative method was developed for quantification of cefixime and moxifloxacin. Spectrum was obtained by dissolving cefixime and moxifloxacin in methanol and water (60:40 v/v); wavelength selected was 260 nm for cefixime and 316 nm for moxifloxacin. The Beer’s law was obeyed in the concentration range of 2-12 μg/ml. Results of tablet analysis showed percent relative standard deviation (% RSD) in the range of 0.1576 to 0.2183 for cefixime and moxifloxacin which indicate repeatability of the method respectively. Recoveries do not differ significantly from 100% which show there was no interference from the common excipient used in tablet formulation indicating accuracy and reliability of the method. The method was validated as per ICH guideline and found to be accurate, precise and rugged. It was also validated in terms of linearity, accuracy, precision, and specificity, limit of detection and limit of quantitation.

Key words: Simultaneous estimation, Cefixime, Moxifloxacin, UV spectrophotometric method, Validation.






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