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Simultaneous estimation of rosuvastatin and amlodipine in pharmaceutical formulations using stability indicating HPLC method BJPS
Ashfaq,Muhammad; Akhtar,Tazeem; Mustafa,Ghulam; Danish,Muhammad; Razzaq,Syed Naeem; Nazar,Muhammad Faizan.
A viable cost-effective and isocratic approach employing C-18 column (250 mm × 4.6 mm, 5 µm) based HPLC has been utilized to separate and estimate the drugs, rosuvastatin, amlodipine and their stress induced degradation products, simultaneously in pharmaceutical formulations. Focused on ICH guideline parameters, the efficient separation of both drugs and their degradation products was achieved by optimizing a 30:70 (v/v) solvent mixture of acetonitrile and 0.1 M ammonium acetate buffer (pH 5) as mobile phase. The flow rate of the mobile phase was 1.5 mL/min and all the detections were carried out at 240 nm using UV detector. The method was linear in the concentration range of 1-200 µg/mL for rosuvastatin with 0.996 coefficient of determination value. For...
Tipo: Info:eu-repo/semantics/article Palavras-chave: High Performance Liquid Chromatography/quantitative analysis; Rosuvastatin/quantitative determination; Amlodipine/quantitative determination; Pharmaceutical formulations/quantitative analyis; Acetonitrile; UV Detector.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502014000300629
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