Maha Abdel-Monem Hegazy

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In this work, micellar electrokinetic chromatographic method was developed and optimized for the determination of hydrochlorothiazide (HCT) in the presence of irbesartan (IRB), bisoprolol (BISO) and HCT main impurity. Four factors affecting the separation-sodium dodecyl sulphate (SDS) concentration, buffer concentration, temperature and voltage-were(More)
New, simple, highly sensitive, precise, and accurate gradient reversed-phase chromatographic methods were developed using HPLC and ultra-HPLC (UPLC) systems for the determination of five components, namely thiamine, pyridoxine, cyanocobalamin, benfotiamine, and diclofenac in tablets and capsules. The methods were compared for their efficiency in the(More)