Analysis of 11-nor-9-carboxy-Δ9-tetrahydrocannabinol in urine samples by hollow fiber-liquid phase microextraction and gas chromatography–mass spectrometry in consideration of measurement uncertainty
✍ Scribed by Sarah Carobini Werner de Souza Eller,Luma Gonçalves Flaiban…
- Book ID
- 126359769
- Publisher
- Springer Japan
- Year
- 2014
- Tongue
- English
- Weight
- 763 KB
- Volume
- 32
- Category
- Article
- ISSN
- 1860-8965
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## 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
A gas chromatographic/mass spectrometric electron impact method is presented for the detection and quantification of 1 l-nor-9-carboxy-A9-tetrahydrocannabinol (THC-COOH) in urine, for use in the confirmation of presump tive results obtained by other techniques. Four extraction procedures, two solid-