A simple and sensitive colorimetric method has been developed for the quantitative estimation of Moxifloxacin from Pharmaceutical liquid dosage form. Developed method is based on formation of ion pair coloured complex of drug with Eosin Blue dye. The complex formed showed absorbance maxima at 534.0 nm. Linearity was observed in concentration range of 100-400 μgm/ml of Moxifloxacin. The results of analysis were validated statistically and by recovery studies.
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