UV Spectrophotometric Method for Assay of the Anti-Retroviral Agent Lamivudine in Active Pharmaceutical Ingredient and in its Tablet Formulation
1, 1★★ Corresponding author
- 1Department of Pharmaceutical Chemistry, Vivekanand Education Society’s College of Pharmacy, Chembur (East), Mumbai, INDIA.
CORRESPONDENCE
Elvis M
Department of Pharmaceutical Chemistry, Vivekanand Education Society’s College of Pharmacy, Chembur (East), Mumbai, INDIA.
Volume 2, Issue 4 · pp. 417-419 · 2010 · DOI: 10.4103/0975-1483.71628
ABSTRACT
A rapid, simple, accurate, and economical spectrophotometric method has been developed and validated for the assay of the anti-retroviral agent lamivudine in active pharmaceutical ingredients (API) and in its tablet formulation. The analysis is based on the UV absorbance maxima at about 270nm wavelength of lamivudine, using methanol as solvent. A sample of API was dissolved in methanol to produce a solution containing 10 μg/ mL of lamivudine. Similarly, a sample of ground tablets were extracted with methanol, centrifuged, and diluted with the same solvent. The absorbance of the sample preparation was measured at 270 nm against the solvent blank, and the assay was determined by comparing with the absorbance of a similarly prepared 10 μg/mL standard solution of lamivudine. The calibration graph was rectilinear from 5 μg/mL to 15 μg/mL for lamivudine with the correlation coefficient being more than 0.999. The relative standard deviation of the replicate determination was about 0.5%. The percent recovery was within the range of 98%–102%, indicating insignificant interference from the other ingredients in the formulation. The method can be applied for the routine QC quantitation of lamivudine in API and tablet formulation.
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G, D., & M, E. (2010). UV Spectrophotometric Method for Assay of the Anti-Retroviral Agent Lamivudine in Active Pharmaceutical Ingredient and in its Tablet Formulation. Journal of Young Pharmacists, 2(4), 417-419. https://doi.org/10.4103/0975-1483.71628
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© 2010 Author(s)
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