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Authors
Affiliations
1 College of Pharmacy, Kovai Medical Center Research and Educational Trust, Coimbatore-641048, IN
2 Shantha Bio-Technics Limited, Hyderabad-501401, IN
Source
Asian Journal of Research in Chemistry, Vol 3, No 1 (2010), Pagination: 188-191
Abstract
A new, simple, rapid and novel spectrophotometric method has been developed for the simultaneous estimation of Lopinavir and Ritonavir using simultaneous equation. The method involved measurement of absorbance at two wavelengths, 259 nm and 240 nm, of Lopinavir and Ritonavir respectively. Beer’s law obeyed in concentration range of 10-50 μg/mL and 15-55 μg/mL for Lopinavir and Ritonavir respectively. The proposed method has been applied successfully for the analysis of the drug in pure and in its tablets dosage forms. Result of percentage recovery and placebo interference shows that the method was not affected by the presence of common excipients. The method can be recommended for routine analysis since it is rapid, simple, accurate and also sensitive and specific. This paper describes the development and validation of ultra violet spectroscopic method for simultaneous estimation of Lopinavir and Ritonavir in combined solid dosage form.
Keywords
Lopinavir, Ritonavir, Simultaneous Equation Method, Beer’s Law.
