[Precision spectrophotometric determination of opium alkaloids. I].
D001565:Benzoates / Q000032:analysis; D003061:Codeine / Q000032:analysis; D004149:Dioxoles / Q000032:analysis; D008722:Methods; D009020:Morphine / Q000032:analysis; D009892:Opium / Q000032:analysis*; D010208:Papaverine / Q000032:analysis; D013053:Spectrophotometry; D013797:Thebaine / Q000032:analysis
D001565:Benzoates; D004149:Dioxoles; D013797:Thebaine; D009020:Morphine; D009892:Opium; D010208:Papaverine; D003061:Codeine