Thin-layer chromatography on silver nitrate-impregnated silica gel for analysis of homemade tetrahydrocannabinol mixtures.
Various forms of cannabidiol (CBD)-containing products are sold in Japan. CBD is easily converted to mixtures of ∆ To evaluate potential separation ability, standards of five THC isomers (∆ System A showed clear separation between the five THC isomers and between ∆ AgNO