A simple, selective, sensitive and precise, simultaneous high performance liquid chromatographic analysis of syrup containing Chlorphineramine Maleate, Dextromethorphan HBr and Phenylephrin HCl was described. Good chromatographic separation was achieved using a Zorbax C18 (4.6 cm x 250 mm, 5 m) and a...
Guaifenesin and dextromethorphan HBr were separated and quantitated simultaneously in a cough syrup using an isocratic, reversed phase system. The mobile phase was 45% (v/v) aqueous methanol with ammonium formate as buffer (pH 4.3). The range of concentrations used in the determination of ...
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A simple, specific and accurate reverse phase high performance liquid chromatographic method was developed for the simultaneous determination of Dextromethorphan HBr (DM), phenylpropanolamine HCl (PE) and chlorpheniramine maleate (CPM), in syrup as pharmaceutical formulations. The final chromatographic ...