Analysis of the major metabolite of Delta super(9)-tetrahydrocannabinol in urine. IV. A comparison of five methods

Urine samples from 29 subjects were simultaneously analyzed for 11-nor- Delta super(9)-tetrahydrocannabinol-9-carboxylic acid by five previously published methods. The procedures employed were radioimmunoassay (RIA), enzyme immunoassay (EIA), high performance liquid chromatography (HPLC), gas chroma...

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Bibliographic Details
Published in:Journal of analytical toxicology 1984-01, Vol.8 (6), p.249-251
Main Authors: Jones, AB, El-Sohly, H N, Arafat, E S, El-Sohly, MA
Format: Article
Language:English
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Summary:Urine samples from 29 subjects were simultaneously analyzed for 11-nor- Delta super(9)-tetrahydrocannabinol-9-carboxylic acid by five previously published methods. The procedures employed were radioimmunoassay (RIA), enzyme immunoassay (EIA), high performance liquid chromatography (HPLC), gas chromatography with electron capture detector (GC/ECD), and gas chromatography/mass spectrometry (GC/MS). A comparison of the results showed significant correlations between the results obtained by HPLC, GC/ECD, and GC/MS procedures.
ISSN:0146-4760