simultaneous spectrophotometric determination of amlodipine and atorvastatin in commercial tablet by h-point standard addition method
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Simultaneous Spectrophotometric Determination of Vanadium(V) and Iron(III) in Micellar Medium by H-Point Standard Addition Method
H-Point Standard Addition Method (HPSAM) was applied for the simultaneous determination of V(V) and Fe(III). The method is based on the complex formation of V(V) and Fe(III) with chromazurol S (CAS) in acidic media and in the presence of cetyltrimethylammonium bromide (CTAB) as a micellizing agent. Acidic media and the presence of a micellar system improve selectivity and sensitivity. Fe (I...
متن کاملSimultaneous kinetic determination of beryllium and aluminium by spectrophotometric H-point standard addition method.
The H-point standard addition method (HPSAM), based on spectrophotometric measurements for simultaneous determination of beryllium and aluminium, is described. This method is based on the difference between their rates of reactions with Chrome Azurol S (CAS) in cetyltrimethylammonium bromide (CTAB) micellar media. The results showed that beryllium and aluminium could be determined simultaneousl...
متن کاملSimultaneous kinetic spectrophotometric determination of citric and ascorbic acid by H-point standard addition method
The H-point standard addition method was applied to kinetic data for simultaneous determination of citric and ascorbic acid or selective determination of ascorbic acid in presence of citric acid. The method is based on the difference in the rate of reaction of citric and ascorbic acid with copper(II)-ammonia complex. The linear dynamic ranges for the two analytes of citric and ascorbic acid are...
متن کاملsimultaneous spectrophotometric determination of vanadium(v) and iron(iii) in micellar medium by h-point standard addition method
h-point standard addition method (hpsam) was applied for the simultaneous determination of v(v) and fe(iii). the method is based on the complex formation of v(v) and fe(iii) with chromazurol s (cas) in acidic media and in the presence of cetyltrimethylammonium bromide (ctab) as a micellizing agent. acidic media and the presence of a micellar system improve selectivity and sensitivity. fe (iii) ...
متن کاملApplication of H-Point Standard Addition Method for Simultaneous Spectrophotometric Determination of Hydrochlorothiazide and Propranolol
A aplicação do método de adição padrão no ponto H para solucionar os espectros sobrepostos de hidroclorotiazida e propranolol foi avaliado. Os resultados mostram que o método HPSAM pode ser aplicado para a determinação simultânea dos compostos, em meio aquoso. Os resultados da aplicação do HPSAM mostraram que as duas drogas podem ser determinadas simultaneamente, numa razão de concentração hidr...
متن کاملsimultaneous determination of lovastatin and niacin in tablet by first and third derivative spectrophotometry and h-point standard addition methods
most cardiovascular diseases need to be treated by more than a simple drug and the use of combination products diminishes noncompliance. advicor ® as a combination product of a vitamin and a fat lowering agent has no monograph in official pharmacopeias for its quality control purposes. in this study, first and third derivative signals for na and lv quantitation at the two pairs of wavelengths, ...
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عنوان ژورنال:
research in pharmaceutical sciencesجلد ۷، شماره ۵، صفحات ۰-۰
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