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    Documents | Comparison of Sample Preparation Approaches for the Extraction of 11-nor-9-carboxy-D9-THC from Urine Prior to GC/MS Analysis

    Comparison of Sample Preparation Approaches for the Extraction of 11-nor-9-carboxy-D9-THC from Urine Prior to GC/MS Analysis

    GC/MS is still a mainstay in forensic analysis for drugs of abuse testing in urine. Historically silica-based solid phase extraction (SPE) columns have been used for these target analytes, the exact choice being dependent on drug functionality. The primary urinary target to prove cannabis using is the metabolite 11-nor-9-carboxy-D9 tetrahydrocannabinol.

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