GLC trace analysis of dextromethorphan and bromhexine salts in pharmaceutical preparations.
GLC proved to be particularly well suited for trace analysis of dextromethorphan and bromhexine salts in different pharmaceutical preparations, using diphenhydramine as the internal standard.
D001964:Bromhexine / Q000032:analysis*; D002849:Chromatography, Gas; D003915:Dextromethorphan / Q000032:analysis; D004155:Diphenhydramine / Q000032:analysis; D007981:Levorphanol / Q000031:analogs & derivatives*; D013678:Technology, Pharmaceutical
D007981:Levorphanol; D003915:Dextromethorphan; D004155:Diphenhydramine; D001964:Bromhexine