RP-HPLC method for simultaneous estimation of amlodipine and metoprolol in tablet formulation

Main Article Content

Sohan S Chitlange
Mohammed Imran
Dinesh M Sakarkar1

Abstract

Areverse phase high performance liquid chromatography (RP-HPLC) method for the simultaneous estimation of amlodipine and metoprolol in marketed formulation is developed. The determination was carried out on a Kromasil
C18 (250 x 4.6 mm, 5 μm) column using a mobile phase of 0.02 M phosphate buffer solution: acetonitrile (70:30v/v, pH 3.0). The flow rate was 1.0ml/min with detection at 221 nm. The retention time for amlodipine was 2.57 min and for
metoprolol 4.49 min. Amlodipine and metoprolol showed a linear response in the concentration range of 10-110 μg/ml. The correlation co-efficient (‘r’ value) for amlodipine and metoprolol was 0.9991 and 0.9992, respectively. The results of
analysis have been validated statistically and by recovery studies. The percentage recoveries obtained for amlodipine and metoprolol ranges from 100.04 to 100.57%.

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How to Cite
Chitlange, S. S., Imran, M., & Sakarkar1, D. M. (2014). RP-HPLC method for simultaneous estimation of amlodipine and metoprolol in tablet formulation. Asian Journal of Pharmaceutics (AJP), 2(4). https://doi.org/10.22377/ajp.v2i4.198
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