Safwan Ashour

Development and Validation of Stability Indicating HPLC Method for Simultaneous Determination of Antidiabetic Drugs Metformin Hydrochloride and Glyburide in Tablets

Safwan Ashour, Amir Alhaj Sakur & Manar Kudemati · International Research Journal of Pure and Applied Chemistry · 2014

Aim: To develop and validate a stability indicating HPLC method for simultaneous estimation of metformin hydrochloride (MET) and glyburide (GLY) in their combined drug product. Study Design: All variables were studied to optimize the chromatographic conditions. Place and Duration...

Open access Research Article 10.9734/IRJPAC/2014/10301

Sensitive Method for the Quantitative Determination of Ergotamine in Tablet Dosage Form by High-Performance Liquid Chromatography Using Bromocriptine as Internal Standard

Safwan Ashour & Soulafa Omar · International Research Journal of Pure and Applied Chemistry · 2013

Aim: To develop and validate a selective, sensitive and simple RP-HPLC method for the determination of ergotamine tartrate (ET) in pharmaceutical dosage forms. Study Design: All variables were studied to optimize the chromatographic conditions. Place and Duration of Study: Depart...

Open access Research Article 10.9734/IRJPAC/2013/4528

Validated Spectrophotometric Method for Determination of Some Benzimidazole Derivatives in Pharmaceutical Formulations Using 1,2-naphthoquinone-4-sulphonate

Safwan Ashour & Roula Bayram · International Research Journal of Pure and Applied Chemistry · 2013

Aim: To develop and validate a sensitive method for the determination of rapeprazole (RPZ) and omeprazole (OPZ) in bulk and formulations based on nucleophilic substitution reaction of RPZ and OPZ with sodium 1,2-naphthoquinone-4-sulphonate (NQS) in an alkaline medium. Study Desig...

Open access Research Article 10.9734/IRJPAC/2013/3160