Thin-layer chromatography on microscope slides.
D000470:Alkaloids / Q000032:analysis; D001463:Barbiturates / Q000032:analysis; D002855:Chromatography, Thin Layer; D008722:Methods; D004364:Pharmaceutical Preparations / Q000032:analysis*; D013678:Technology, Pharmaceutical; D014815:Vitamins / Q000032:analysis
D000470:Alkaloids; D001463:Barbiturates; D004364:Pharmaceutical Preparations; D014815:Vitamins