Mohammed G El-Bardicy

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Two specific, sensitive, and precise stability-indicating chromatographic methods have been developed, optimized and validated for determination of perindopril arginin (PER) and amlodipine besylate (AML) in their mixtures and in the presence of their degradation products. The first method was based on thin-layer chromatography (TLC) combined with(More)
Four sensitive and precise stability-indicating methods for the determination of rebamipide (REB) in the presence of its acid-degradation products and in a pharmaceutical formulation were developed and validated. Method A used the first derivative of the ratio spectra (1DD) spectrophotometric method by measuring the peak amplitude at 249.4 nm (maximum) and(More)
A proposed titrimetric procedure for determining some acid-stable penicillins is investigated. The procedure has been used for both pure substances and dosage forms and was fairly accurate. A study of the mechanism of the reaction of the suggested stability-indicating method is presented.
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