<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">A spectrophotometric method is described for assay of pefloxacin mesylate (PFM) in bulk drug and in tablets. The method is based on back extraction of the bromophenol blue dye at pH 5.2 from the dye-drug ion pair followed by measurement of the dye absorbance at 590 nm. The working conditions of the method were investigated and optimized. Beer's law plot showed a good correlation in the concentration range of 0.15-1.25 μg mL-1. Sensitivity indices such as molar absorptivity, limits of detection and quantification are reported. Intra-day and inter-day precision, and accuracy of the methods were established according to the ICH guidelines, and the <italic>e</italic>r values were in the range of -1.7 to 1.8% with RSD values ranging from 1.0 to 1.1%. The method was successfully applied to the assay of PFM in tablet preparations with recoveries varying from 97.5 to 101.9%, with standard deviation in the range of 0.6 to 1.9. The results were statistically compared with those of the reference method by applying Student's <italic>t</italic>-test and <italic>F</italic>-test. Accuracy evaluated by means of the spike recovery method, range from 97.0 to 106.0%, with precision better than 3%.</abstract>

A spectrophotometric method is described for assay of pefloxacin mesylate (PFM) in bulk drug and in tablets. The method is based on back extraction of the bromophenol blue dye at pH 5.2 from the dye-drug ion pair followed by measurement of the dye absorbance at 590 nm. The working conditions of the method were investigated and optimized. Beer's law plot showed a good correlation in the concentration range of 0.15-1.25 μg mL-1. Sensitivity indices such as molar absorptivity, limits of detection and quantification are reported. Intra-day and inter-day precision, and accuracy of the methods were established according to the ICH guidelines, and the er values were in the range of -1.7 to 1.8% with RSD values ranging from 1.0 to 1.1%. The method was successfully applied to the assay of PFM in tablet preparations with recoveries varying from 97.5 to 101.9%, with standard deviation in the range of 0.6 to 1.9. The results were statistically compared with those of the reference method by applying Student's t-test and F-test. Accuracy evaluated by means of the spike recovery method, range from 97.0 to 106.0%, with precision better than 3%.

Spectrophotometric determination of pefloxacin mesylate in pharmaceuticals

Department of Chemistry, University of Mysore, Manasagangotri Mysore-570 006, India

Acta Pharmaceutica

{"article-title":"Spectrophotometric determination of pefloxacin mesylate in pharmaceuticals"}

A spectrophotometric method is described for assay of pefloxacin mesylate (PFM) in bulk drug and in tablets. The method is based on back extraction of the...

Spectrophotometric determination of pefloxacin mesylate in pharmaceuticals

Published Online: May 16, 2007

Page range: 221 - 230

DOI: https://doi.org/10.2478/v10007-007-0018-4

Keywords
pefloksacin mesilat, određivanje, spektrofotometrija, bromfenol modrilo, ljekoviti oblici

This content is open access.

Spectrophotometric determination of pefloxacin mesylate in pharmaceuticals

Published Online: May 16, 2007

Page range: 221 - 230

DOI: https://doi.org/10.2478/v10007-007-0018-4

Keywordspefloksacin mesilat, određivanje, spektrofotometrija, bromfenol modrilo, ljekoviti oblici

This content is open access.

Keywords
pefloksacin mesilat, određivanje, spektrofotometrija, bromfenol modrilo, ljekoviti oblici