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2011•Asian Journal of Research in ChemistryRequires access

Method Development and Validation of Ramipril and Amlodipine Besylate by RP-HPLC.

Nitin I. Kochar, M. N. Dahake, Ravi Bakal, A.P. Devani, A. V. Chandewar

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Abstract

A simple isocratic RP-HPLC method has been developed and subsequently validated for the determination of Ramipril and Amlodipine Besylate in pharmaceutical dosage forms within very short retention time. The method employs an Xterra C18 column, 5 μ, 150 mm x 4.60 mm id with flow rate of 1.5 ml/min using UV detection at 210nm. The separation was carried out using a mobile phase consisting of Sodium Lauryl Sulfate buffer by adjusting pH 2.5 and final composition is Buffer: Acetonitrile: Methanol (45:16.5:38.5)V/V. The retention time for Ramipril and Amlodipine Besylate was found to be 3.1 minutes and 3.8 minutes respectively. The results of analysis were validated statically and by recovery studies. Hence the proposed method was found to be accurate, precise, reproducible and specific and can be used for simultaneous analysis of these drugs in tablet formulation.

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What this paper is about

A simple isocratic RP-HPLC method has been developed and subsequently validated for the determination of Ramipril and Amlodipine Besylate in pharmaceutical dosage forms within very short retention time. The method employs an Xterra C18 column, 5 μ, 150 mm x 4.60 mm id with flow rate of 1.5 ml/min using UV detection at 210nm. The separation was carried out using a mobile phase consisting of Sodium Lauryl Sulfate buffer by adjusting pH 2.5 and final composition is Buffer: Acetonitrile: Methanol (45:16.5:38.5)V/V. The retention time for Ramipril and Amlodipine Besylate was found to be 3.1 minutes and 3.8 minutes respectively. The results of analysis were validated statically and by recovery studies. Hence the proposed method was found to be accurate, precise, reproducible and specific and can be used for simultaneous analysis of these drugs in tablet formulation.

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Available abstract

A simple isocratic RP-HPLC method has been developed and subsequently validated for the determination of Ramipril and Amlodipine Besylate in pharmaceutical dosage forms within very short retention time. The method employs an Xterra C18 column, 5 μ, 150 mm x 4.60 mm id with flow rate of 1.5 ml/min using UV detection at 210nm. The separation was carried out using a mobile phase consisting of Sodium Lauryl Sulfate buffer by adjusting pH 2.5 and final composition is Buffer: Acetonitrile: Methanol (45:16.5:38.5)V/V. The retention time for Ramipril and Amlodipine Besylate was found to be 3.1 minutes and 3.8 minutes respectively. The results of analysis were validated statically and by recovery studies. Hence the proposed method was found to be accurate, precise, reproducible and specific and can be used for simultaneous analysis of these drugs in tablet formulation.

Key concepts: Amlodipine, Ramipril, Chromatography, Chemistry, Acetonitrile, Retention time, High-performance liquid chromatography, Methanol

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