DETERMINATION OF ATORVASTATINE IN PHARMACEUTICAL FORMULATIONS BY REVERSE PHASE-HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
DOI:
https://doi.org/10.7439/ijapa.v2i2.19Abstract
A simple, sensitive and reproducible reverse-phase high performance liquid chromatographic (RP-HPLC) method has been developed for the quantitative estimation of Atorvastatin calcium (ATOR-C) in the pharmaceutical formulations. Chromatographic separation was achieved on a 250 4.6 mm, 5?, Waters symmetry column. The flow rate was 1mL/min and eluent was monitored by absorbance at 246.0 nm using a mixture of Methanol and Acetonitrile (pH 3.00.01) in the ratio of 25:75 (v/v). The retention times of ATOR-C was found to be 5.5 min. Calibration plots were linear in the concentration range of 5-25 ?g/mL for ATOR-C calcium. The total run time was 12 min. The proposed method was validated by testing its linearity, recovery, specificity, system suitability, precision (Interday, intraday, analyst and instrument precision), robustness and LOD/LOQ values and it was successfully employed for the determination of ATOR-C in pharmaceutical tablet formulations.Downloads
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