Use of descending thin layer chromatography for identification of cannabinoids

The article describes a technique that uses descending thin layer chromatography (TLC) for identification of cannabinoids. The technique employs a partition system of two-dimensional descending TLC, in which toluene is used as the eluting solvent. The quantity of cannabinoids obtained by TLC has been confirmed by gas chromatography (GC). The technique presented in the article has proved useful for the analysis of cannabinoids.