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DEVELOPMENT OF AN RP-HPLC METHOD FOR SIMULTANEOUS ESTIMATION AND FORCE DEGRADATION OF CEFIXIME AND MOXIFLOXACIN IN BULK AND PHARMACEUTICAL DOSAGE FORM

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Abstract (2. Language): 
A simple, efficient, and reproducible RP-HPLC method for the simultaneous determination of Cefixime and Moxifloxacin in bulk and in pharmaceutical formulations has been developed and validated. The separation was carried out on Phenomix C18 (250x4.6 mm i.d, 5 um) column using acetonitrile: 0.08M potassium dihydrogenortho phosphate (adjusted to pH 8 with NaOH) in the ratio of 40:60 v/v as eluent. The flow rate was 1 ml/min and effluent was detected at 290 nm. The retention time of Cefixime and Moxifloxacin were 2.157 and 3.570 min. respectively. The linear dynamic range was 20-80 ug/ml and 20-80 ug/ml for Cefixime and Moxifloxacin, respectively. Percentage recoveries for Cefixime and Moxifloxacin were 98.50 + 0.25% and 99.00+ 0.25%, respectively. All the analytical validation parameters were determined and found in the limit as per ICH guidelines, which indicates the validity of the method. The developed method is also found to be precise and robust for the simultaneous determination of Cefixime and Moxifloxacin in tablet dosage forms.

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