Multivariate Optimization and Validation of a Capillary Electrophoresis Method for the Simultaneous Determination of Dextromethorphan Hydrobromur, Phenylephrine Hydrochloride, Paracetamol and Chlorpheniramine Maleate in a Pharmaceutical Preparation Using Response Surface Methodology

PALABIYIK I. Murat, ONUR Feyyaz

doi:10.2116/analsci.26.853

Multivariate Optimization and Validation of a Capillary Electrophoresis Method for the Simultaneous Determination of Dextromethorphan Hydrobromur, Phenylephrine Hydrochloride, Paracetamol and Chlorpheniramine Maleate in a Pharmaceutical Preparation Using Response Surface Methodology

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PALABIYIK I. Murat

Department of Analytical Chemistry, Faculty of Pharmacy, University of Ankara
ONUR Feyyaz

Department of Analytical Chemistry, Faculty of Pharmacy, University of Ankara

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抄録

A fast, accurate, precise and sensitive capillary electrophoresis method for the simultaneous determination of dextromethorphan hydrobromide, phenylephrine hydrochloride, paracetamol and chlorpheniramine maleate has been developed. Response surface methodology with a central composite design was used for optimization of the concentration of the buffer, pH of the buffer and applied voltage. Therefore, working with Na₂HPO₄ buffer (pH 8.00, 0.01 M) at 20 kV as an applied voltage in the capillary electrophoresis method were found to be suitable; under these optimal conditions, these four active ingredients were separated in about 7 min. This developed method was validated and successfully applied to a pharmaceutical preparation, sugar-coated tablet, and the results were compared with a high-performance liquid chromatographic method developed by us.