The quantitative determination of some mitragyna oxindole alkaloids after separation by thin-layer chromatography. II. Colorimetry, using the Vitali-Morin reaction.
D000470:Alkaloids / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003124:Colorimetry; D004126:Dimethylformamide; D007211:Indoles / Q000032:analysis*; D008722:Methods; D013757:Tetraethylammonium Compounds
D000470:Alkaloids; D007211:Indoles; D013757:Tetraethylammonium Compounds; D004126:Dimethylformamide