Analytical Method Development and Validation of Metformin, Voglibose, Glimepiride in Bulk and Tablet Dosage Form by Gradient RP-HPLc

Abstract

Author(s): K. Neelima, Y. Rajendra Prasad

A simple, sensitive, linear, precise, and accurate method by gradient reversed-phase-high performance liquid chromatography for the simultaneous estimation of metformin (MET), voglibose (VOG) and glimepiride (GLI) in bulk and in their combined tablet dosage form was developed and validated. The separation of the three drugs was based on the use of Inertsil ODS 3V (150 × 4.6 mm, i.e. 5 μm) column in a gradient mode. Mobile phase consisted of 0.02 M Phosphate buffer adjusted to pH 2.5 using dilute orthophosphoric acid (solvent A) and acetonitrile (solvent B) was set with gradient programming for 18 min and was delivered at 1 ml/min fl ow rate and effl uents are achieved with variable wavelength: Photodiode array detector at 230 nm.

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