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The GC/MS procedure for THC-COOH will confirm the presence of the major metabolite of THC in urine. The THC-COOH is extracted from urine, derivatized and injected onto the GC/MS. Chemicals: Potassium Hydroxide (KOH) Hydrochloric Acid (HCL) Methanol. Hexane Acetonitrile BSTFA +TMCS Ethyl Acetate THC-COOH-d3 Safety Precautions and PPE: ................
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