Development and validation of UV spectrophotometric method for simultaneous estimation of propranolol hydrochloride and rosuvastatin calcium in bulk drug and pharmaceutical dosage form
AbstractA new, simple and sensitive UV spectrophotometric method has been developed for simultaneous quantitative determination of propranolol hydrochloride and rosuvastatin calcium in bulk and pharmaceutical dosage form. This is achieved by simultaneous equation (Vierodts method) and absorbance ratio (Q- point) method. Propranolol hydrochloride and rosuvastatin calcium exhibits maximum absorbance at 289 nm and 243 nm respectively in methanol as solvent. Beers law was found to be obeyed in the concentration range 2-40 g/ml for propranolol hydrochloride and 2-42 g/ml or rosuvastatin calcium. Method were validated for linearity, accuracy, precision, LOD, LOQ as per ICH guidelines.
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