Detection of Δ9-Tetrahydr0Cannabin0L in Human Breath Following Marijuana Smoking
- 1 January 1979
- journal article
- research article
- Published by Taylor & Francis in Analytical Letters
- Vol. 12 (8) , 867-880
- https://doi.org/10.1080/00032717908059767
Abstract
Two techniques were used for enriching human breath samples for δ9 -tetrahydrocannabinol (I). One method utilized a polyethylene foam wafer which was positioned in front of the expired air stream using a modified face mask. The second technique was a cryogenic trap containing ethanol. Analysis of the enriched breath samples following smoking of a marijuana cigarette was accomplished using a previously described hplc-ms procedure. Results demonstrated that (I) was detectable with either enrichment method following marijuana smoking.Keywords
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