Fig. 4 From: Semi-quantitative analysis of cannabinoids in hemp (Cannabis sativa L.) using gas chromatography coupled to mass spectrometryA total ion current chromatogram showing the elution of the ten cannabinoids in the Cayman Chemical Cannabinoid standard Mixture 10 (product code: 21305), 70 ng on column and 5-alpha-cholestane as internal standard. Cannabidiol acid and Δ9-tetrahydrocannabinol coeluted in one peak so deconvolution is required for quantificationBack to article page