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Stability indicating RP-HPLC method for simultaneous determination of gatifloxacin and dexamethasone in binary combination BJPS
Razzaq,Syed Naeem; Ashfaq,Muhammad; Khan,Islam Ullah; Mariam,Irfana; Razzaq,Syed Saleem; Mustafa,Ghulam; Zubair,Muhammad.
Abstract In this study, conditions were optimized for development of a simple RP-HPLC method for simultaneous analysis of gatifloxacin and dexamethasone in different matrices like pharmaceuticals, human serum and urine. Good separation of gatifloxacin and dexamethasone from the induced degradation products was accomplished using C8 as stationary phase; 0.02 M phosphate buffer (pH 3.0) and methanol (42:58 v/v) as mobile phase. The concentration was measured with DAD at 270 nm. Linearity was observed in the range of 0.000040-0.000280 mol/L for gatifloxacin (r2≥0.999) and 0.000013-0.000091 mol/L for dexamethasone (r2≥0.999). Both the analyte peaks were completely separated from the peaks of induced degradation products as indicated by the peak purity index...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gatifloxacin; Dexamethasone; High performance liquid chromatography; Validation; Plasma; Degradation products..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502017000100607
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