A fast and robust HPLC method for the simultaneous determination of ingredients in cough syrup is presented. The separation of codeine, pseudoephedrine and guaifenesin by means of reversed-phase HPLC has been found optimal.
|Substances||Guaifenesin, Codeine, Pseudoephedrine|
|Key words||Cough syrup, Guaifenesin, Codeine, Pseudoephedrine|
|CAS number||93-14-1, 76-57-3, 90-82-4|
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