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Venkataramana N.V.*, Aruna Kumar D.B. and R.T. Mahesh


Many different strategies of high performance liquid chromatographic method development are used today. This review outlines an approach for the method development and validation. HPLC is a sophisticated analytical technique, which separates the mixture of components. The separation is based on the Physical and chemical nature of the Compounds. The heart of the chromatography is column. The components are having different affinity towards the column. The interaction between the column and the selected compounds are driven by van der walls of force of attraction, Ionic or polar interactions. The selected mobile phase has significant impact on the separation. The basic buffer helps in ionization of acidic compounds and resulting in reduction of the run time. The organic modifiers opted for the separation having good basicity, acts as a hydrogen bond acceptor towards the acidic compounds; therefore, it will retain an acidic analyte. The developed method must be selective and rugged for routine testing. The selectivity is established by performing forced degradation study. The result from the forced degradation can also be used to establish the stability indicating nature and to determine the degradation pathway of the molecule. The complete validation as per the ICH guideline helps to determine the fitness of the method

Keywords: HPLC, method development, method validation, force degradation studies

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