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Techniques & Tools Gas Chromatography, Sample Preparation, Food, Beverage & Agriculture

Extraction of THC Metabolites in Urine using the Empore™ Membrane C18 Extraction Cartridge


In this application note, the Empore membrane solid phase extraction cartridge is used to extract THC metabolites from urine samples as part of a routine sample preparation procedure. Specifically, the THC-OOH metabolite was quantified as part of this method.


Currently in the cannabis market, there is a growing need for purifying extracts and also quantifying tetrahydrocannabinol (THC) and its various metabolites. Sample preparation by solid phase extraction (SPE) is one such method for achieving both purification and extraction goals. Empore™ specifically is membrane type of SPE that offers a number of advantages over traditional loose-packed SPE products.

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