Validated Method Development for Estimation of Naproxen sodium as Bulk Drug and in Tablet Dosage Form by HPTLC
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Department of Pharmaceutical Analysis, AISSMS College of Pharmacy, Kennedy Road, Near R. T. O., Pune – 411 001
Santosh. V. Gandhi   

Department of Pharmaceutical Analysis, AISSMS College of Pharmacy, Kennedy Road, Near R. T. O., Pune – 411 001
Publication date: 2017-10-17
Eurasian J Anal Chem 2012;7(1):1–6
Naproxen sodium is a non-steroidal anti-inflammatory drug with analgesic and antipyretic properties. The present work describes a simple, precise and accurate HPTLC method for its estimation as bulk and in tablet dosage form. The chromatographic development was carried out on precoated silica gel 60 F254 aluminium plates using mixture of toluene : ethyl acetate: acetic acid (7.5: 1.5: 1 v/v/v) as mobile phase and densitometric evaluation of band was carried out at 230 nm using Camag TLC Scanner-3 with win CAT 1.4.2 version software. The Rf value of drug was found to be 0.63 ± 0.013. The accuracy and reliability of the proposed method was ascertained by evaluating various validation parameters like linearity (100-500 ng band-1), precision (intra-day RSD 0.56-0.87 %, inter-day RSD 0.49-1.39 %), accuracy (99.313 ± 0.467) and specificity according to ICH guidelines. The method was also evaluated by the assay of commercially available tablets. The % assay (Mean ± S.D., n = 6) was found to be 99.34 % ± 0.146. The proposed method can analyse ten or more formulation units simultaneously on a single plate and provides a faster and cost-effective quality control tool for routine analysis of naproxen sodium as bulk drug and in tablet formulation.
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