Author:
Kashid A. M,Tathe S. V.,Sahoo S. G.,Ghatge A. B.,Wani R. M.,
Abstract
A simple, accurate, rapid and precise RP-HPLC method for the simultaneous estimation of aspirin and Omeprazole in binary mixture has been developed and validated. The drugs were resolved using HPLC column (ACE 250 x 4.6 mm C18 column) with mobile phase of HPLC grade methanol: Sodium acetate buffer (70:30 v/v) at a flow rate of 1 mL/min. The retention times of aspirin and omeprazole were 3.10 ± 0.3min and 5.01 ± 0.02min with UV detection at 230 nm. The method was validated with respect to linearity, sensitivity, accuracy, precision and robustness as per the International Conference on Harmonization (ICH) guidelines. The method was specific and it was observed that no interference with diluents. The linearity was established over the concentration range of 40-140μg/ml and 20-120μg/mL with correlation coefficients (r2) 0.9998 and 0.9986 for aspirin andomeprazole magnesium respectively. The mean recoveries were found to be in the range of 97.05%-99.75% and 97.21% -98.76% for aspirin and omeprazole respectively. The % R.S.D. values for intra-day precision study and inter-day study were <1.0%, confirming that the method is precise. The method can be successfully employed for the simultaneous determination of aspirin and omeprazole.
Publisher
Indian Drug Manufacturers' Association (IDMA)
Subject
Drug Discovery,Pharmaceutical Science,Pharmacology
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