Simultaneous Determination of Pioglitazone and Glimepiride by High-Performance Liquid Chromatography |
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Authors: | R.T. Sane S.N. Menon Shafi Inamdar Mandar Mote Gunesh Gundi |
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Affiliation: | (1) TDM laboratories, Plot No. 194, Scheme No. 6, Road No. 15, Sion (E), Koliwada, Mumbai-22, India |
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Abstract: | A rapid and accurate HPLC method has been developed for simultaneous determination of pioglitazone and glimepiride. Chromatographic separation of the two pharmaceuticals was performed on a Cosmosil C18 column (150 mm × 4.6 mm, 5 m) with a 45:35:20 (v/v) mixture of 0.01 m triammonium citrate (pH adjusted to 6.95 with orthophosphoric acid), acetonitrile, and methanol as mobile phase, at a flow rate of 1.0 mL min–1, and detection at 228 nm. Separation was complete in less than 10 min. The method was validated for linearity, accuracy, precision, limit of quantitation, and robustness [1, 2]. Linearity, accuracy, and precision were found to be acceptable over the ranges 2.50–30.00 g mL–1 for pioglitazone and 0.10–10.00 g mL–1 for glimepiride. |
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Keywords: | Column liquid chromatography Pioglitazone and glimepiride Pharmaceutical preparations |
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