Spectrophotometric Determination of Fexofenadine Hydrochloride and Betamethasone in Pharmaceuticals Section 1 Spectrophometric Determination of Fexofenadine Hydrochloride in Phrmaceuticals Section Ii Spectrophotometric Determination of Betamethasone in Pharmaceuticals
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Selective Spectrophotometric Determination of Metformin Hydrochloride in Pharmaceuticals and Urine Using Two Nitrophenols as Chromogenic Agents
Metformin hydrochloride (MFH) is an oral anti-diabetic drug of biguanide class. Two selective spectrophotometric methods were presented for the determination of MFH in pharmaceuticals. The methods were based on the measurement of yellow-coloured charge-transfer complexes formed between MFH and two poly-nitrophenols, namely, 2,4-dinitrophenol (DNP method, at 405 nm) and picric acid (PA met...
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Simple and accurate spectrophotometric and HPLC method was developed for determination of Fexofenadine in tablets dosage form. The spectrophotometric method was developed by dissolving tablets in 1:1 Methanol to make solution of 10ppm giving absorbance at 220nm. The experimental conditions were optimized and Beers law was obeyed over the applicable concentration range. The application of HPLC p...
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متن کاملDevelopment of a Rapid Derivative Spectrophotometric Method for Simultaneous Determination of Acetaminophen, Diphenhydramine and Pseudoephedrine in Tablets
A mixture of acetaminophen, diphenhydramine hydrochloride and pseudoephedrine hydrochloride is used for the symptomatic treatment of common cold. In this study, a derivative spectrophotometric method based on zero-crossing technique was proposed for simultaneous determination of acetaminophen, diphenhydramine hydrochloride and pseudoephedrine hydrochloride. Determination of these drugs was perf...
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تاریخ انتشار 2010