Discrepancies between validated GC‐FID and UHPLC‐DAD methods for the analysis of Δ‐9‐THC and CBD in dried hemp flowers

Last updated on 10-10-2022 by Eric Deconinck

Peer reviewed scientific article



Article written during project(s) : 


Herbal products for smoking containing cannabidiol (CBD) are available as “lowtetrahydrocannabinol cannabis products” in most EU countries. In Belgium, Δ9-tetrahydrocannabinol (THC) content of these products must be less than 0.2% w/w, which is also the limit for agricultural hemp. For agricultural hemp, the official and only valid method for European regulators is gas-chromatography coupled to flame ionization detector (GC-FID). There is no such method, for smoking products. Many of these herbal for smoking products are analyzed as part of their quality control and have certificate …

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