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Abstract

Development and validation of a RP-HPLC method for determination of atorvastatin calcium and aspirin in a capsule dosage form

Author(s): DA Shah1, KK Bhatt2, RS Mehta2, MB Shankar2, SL Baldania1, TR Gandhi1
1Anand Pharmacy College, Opp. Town Hall, Anand - 388 001, India 2A. R. College of Pharmacy, P. Box No. 19, Vallabh Vidyanagar - 388 120, India

Correspondence Address:
D A Shah Anand Pharmacy College, Opp. Town Hall, Anand - 388 001 India E-mail: [email protected]


A simple, specific and accurate reverse phase high performance liquid chromatographic method was developed for the simultaneous determination of atorvastatin calcium and aspirin in capsule dosage forms. A phenomenex Gemini C-18, 5 mm column having 250 x 4.6 mm i.d. in isocratic mode, with mobile phase containing 0.02 M potassiumdihydrogen phosphate: methanol (20:80) adjusted to pH 4 using ortho phosphoric acid was used. The flow rate was 1.0 ml/ min and effluents were monitored at 240 nm. The retention times of atorvastatin calcium and aspirin were 5.4 min and 3.4 min, respectively. The linearity for atorvastatin calcium and aspirin were in the range of 0.5-4 mg/ml and 5-25 mg/ml, respectively. The recoveries of atorvastatin calcium and aspirin were found to be in the range of 98.02-100.68% and 98.38-101.42%, respectively. The proposed method was validated and successfully applied to the estimation of atorvastatin calcium and aspirin in combined capsule dosage forms.



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