Confirmation of cannabis abuse by the determination of 11-nor-δ9-tetrahydrocannabinol-9-carboxylic acid in urine with high-performance liquid chromatography and electrochemical detection
✍ Scribed by Daniel Bourquin; Rudolf Brenneisen
- Publisher
- Elsevier Science
- Year
- 1987
- Weight
- 365 KB
- Volume
- 414
- Category
- Article
- ISSN
- 0378-4347
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A method was developed for quantitating 9-carboxy-ll-nor-A'-tetrahydrocannabinol in human urine as part of the process for validating an automated enzyme immunoassay for marijuana metabolites. Sample cleanup was accomplished using a mixed-mode solid-phase extraction. 9-Carboxy-ll-nor-A'-tetrahydroca
## Abstract A rapid and sensitive method for the simultaneous confirmatory analysis of three forensic most relevant cannabinoids, Δ^9^‐tetrahydrocannabinol (THC), 11‐hydroxy‐Δ^9^‐tetrahydrocannabinol (11‐OH‐THC) and 11‐nor‐9‐carboxy‐Δ^9^‐tetrahydrocannabinol (THC‐COOH), by means of high‐performance
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