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TLC determination of glimepiride and its main impurities in pharmaceuticals
(Taylor & Francis Inc, Philadelphia, 2013)
A quantitative TLC method was developed for the simultaneous separation and quantification of glimepiride and its main degradation impurities, glimepiride-sulfonamide, and glimepiride-carbamate. Chromatographic analysis ...
TLC determination of tiapride hydrochloride and its impurities in pharmaceuticals
(Taylor & Francis Inc, Philadelphia, 2012)
A simple and sensitive HPTLC method for separation and determination of tiapride hydrochloride and its degradation products has been developed and evaluated. Analysis of tiapride hydrochloride and impurities III, VII, and ...
Monitoring of impurity level of valsartan and hydrochlorothiazide employing an RP-HPLC gradient mode
(Taylor & Francis Inc, Philadelphia, 2007)
The multi-component preparation Co -Diovan (R) is indicated for the hypertension treatment in patients whose blood pressure is not adequately controlled by monotherapy. Its active ingredients are valsartan and hydrochlorothiazide. ...