Abstract
A high performance reverse phase liquid chromatographic procedure is developed for simultaneous estimation of Metformin and Glibenclamide in combined tablet dosage form. The method was carried out on Agilent Hypersil ODS (4.6 x 250 mm) column with a mobile phase used consisting of Methanol: Water (0.1 % OPA) OPA= Ortho Phosphoric acid (80:20) and the pH of buffer was adjusted to 3 using 2M Orthophosphoric acid. The detection of the combined dosage form was carried out at 228 nm and a flow rate employed was 1 ml/min and column oven temperature at 300C. The retention times of Metformin andGlibenclamide were 3.4667 and 7.3500 minutes respectively. The developed method was validated in terms of accuracy, precision, linearity, limit of detection, limit of quantification as per ICH norms. The proposed method can be used for the estimation of these combined drugs.
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