A Validated RP - HPLC Method for Simulataneous Estimation of Lamivudine and Tenofovir Disoproxil Fumarate in Pure and in Tablet Dosage Form
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Department of Pharmaceutical Analysis, Adhiparasakthi College of Pharmacy, Melmaruvathur - 603 319. Kanchipuram (D.T), Tamil Nadu, India
Department of Pharmacy, Annamalai University, Annamalai Nagar - 608 002, Tamil Nadu, India
Anandakumar Karunakaran   

Department of Pharmaceutical Analysis, Adhiparasakthi College of Pharmacy, Melmaruvathur - 603 319. Kanchipuram (D.T), Tamil Nadu, India
Publication date: 2017-10-20
Eurasian J Anal Chem 2012;7(2):56–66
A simple, rapid reverse - phase high performance liquid chromatographic method has been developed and validated for the simultaneous estimation of lamivudine and tenofovir disoproxil fumarate in pure and in tablet dosage form. The estimation was carried out on a Phenomenax Luna C18 (150 mm x 4.6 mm i.d., particle size 5μm) column with a mixture of acetonitrile: methanol: water in the ratio of 30:50:20 (v/v) as mobile phase. UV detection was performed at 258 nm. The method was validated for linearity, accuracy, precision, specificity and sensitivity as per ICH norms. The developed and validated method was successfully used for the quantitative analysis of commercially available dosage form. The retention time was 3.27 and 4.15 min. for lamivudine and tenofovir disoproxil fumarate, respectively. The flow rate was 1.0 mL min-1. The calibration curve was linear over the concentration range of 2 –12 μg mL-1 for both lamivudine and tenofovir disoproxil fumarate. The LOD and LOQ values were found to be 0.0099 and 0.0299 μg mL-1 for lamivudine and 0.0328 and 0.0994 μg mL-1 for tenofovir disoproxil fumarate, respectively. The high percentage of recovery and low percentage coefficient of variance confirm the suitability of the method for the simultaneous estimation of lamivudine and tenofovir disoproxil fumarate in pure and in tablet dosage form.
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