Thc urine test
How Long Does THC Stay In Your System? - Leaf Science
The One-Step THC Test is a lateral flow, one-step immunoassay for the qualitative detection of 11-nor-tetrahydrocannabinol-9-THC-carboxylic acid in human urine at a cut-off of 50ng/ml. This product is used to obtain a visual, qualitative result and is intended for professional use.
[DOC File]Beckman Coulter
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Therefore, confirmation for a positive THC always must be established by a GC/MS lab confirmation test. Passive exposure to Marijuana smoke will not result in a positive THC urine test. Hair: very small amounts THC are deposited into hair, thus HHS proposed 1pg/mg cut-off value for screening and 0.05 pg/mg as THCA cut-of confirmation by GC/MS.
[DOC File]PHILNOR Lab & Med Supplies - Home
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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:
[DOC File]THC-COOH CONFIRMATION
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THC is rapidly metabolized and distributed to body tissues, so that none is excreted in urine unchanged. 11-nor-delta-9-THC-9-carboxylic acid, the principle metabolite, becomes detectable in plasma, feces and urine within hours after exposure.4 In chronic users, THC may accumulate in fatty tissue faster than it can be excreted, leading to ...
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