Stability indicating assay method for simultaneous estimation of nebivolol and valsartan in pharmaceutical dosage form by RP-HPLC
Journal Title: Asian Journal of Green Chemistry - Year 2018, Vol 2, Issue 3
Abstract
A simple, rapid, precise, and accurate isocratic reversed-phase stability indicating HPLC method was developed and validated for simultaneous determination of the nebivolol and valsartan in the tablet dosage form. The effective chromatographic separation was achieved by a YMC pack pro octadecyl silane (150×4.6 mm, 3 µm) column using a mobile phase composed of methanol: acetonitrile: 0.05 M potassium dihydrogen phosphate buffer (Ph=3.0 with 10% ortho phosphoric acid after addition of 0.2% triethylamine) (30:30:40, v/v/v) at a flow rate of 1 mL/min and UV detection at 282 nm. Drugs were subjected to the acid, base, oxidation, heat, and photolysis to apply the stress. Linearity ranges were 5–30 µg/mL (r2= 0.9989) for nebivolol and 80-480 µg/mL (r2=0.9991) for valsartan. Limit of detection was 0.38 µg/mL and 1.08 µg/mL for nebivolol and valsartan, respectively. The limit of quantification for the nebivolol and valsartan was 1.15 µg/mL and 3.27 µg/mL, respectively.
Authors and Affiliations
Amit Vyas, Grishma Nathwani, Ajay Patel, Ashok Patel, Nilesh Patel, Nirav Makvana
Keywords
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- EP ID EP468773
- DOI 10.22034/ajgc.2018.61081
- Views 106
- Downloads 0
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