The determination of the origin of opium. II. Simultaneous assay of narcotine, thebaine and papaverine in opium by infra-red spectroscopy.
D001681:Biological Assay; D009665:Noscapine / Q000032:analysis*; D009892:Opium; D010208:Papaverine / Q000032:analysis*; D013057:Spectrum Analysis; D013797:Thebaine
D013797:Thebaine; D009892:Opium; D009665:Noscapine; D010208:Papaverine
NARCOTINE/determination; OPIUM; PAPAVERINE/determination; THEBAINE