Extraction of narcotic drugs, tranquilizers, and barbiturates by cation-exchange paper, and detection on a thin-layer chromatogram by a series of reagents.
D001463:Barbiturates / Q000652:urine*; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D006801:Humans; D009294:Narcotics / Q000652:urine*; D014149:Tranquilizing Agents / Q000652:urine*
D001463:Barbiturates; D009294:Narcotics; D014149:Tranquilizing Agents