Experimental Design Methodology for Simultaneous Determination of Anti-Diabetic Drugs by Reverse Phase Liquid Chromatographic Method
Department of Pharmaceutical Analysis & Quality Assurance, GITAM Institute of Pharmacy, GITAM University, Visakhapatnam 530045, India
V. Bukkapatnam, Department of Pharmaceutical Analysis & Quality Assurance, GITAM Institute of Pharmacy, GITAM University, Visakhapatnam 530045, India, E-mail: firstname.lastname@example.org
A liquid chromatographic method has been established for the separation of metformin, glipizide, gliclazide, glibenclamide and glimepiride using experimental design. The main intention of this method is to optimize suitable chromatographic conditions for the proper elution of the drug molecules with minimal analysis time. The relationship between the individual and combined effect of critical process parameters and chromatographic efficiency was made clear and was achieved with the aid of experimental design methodology. Waters Sunfire C18 type column (150×4.6 mm, 5 µm particle size) was employed and 0.1 % acetic acid in water: acetonitrile mixture was adopted as mobile phase (flow rate: 0.469 ml/min) for the separation of analytes. The developed method was validated and has been extended for the assay of marketed formulations.