THE DETECTION OF DELTA 9-TETRAHYDROCANNABINOL IN THE BREATH OF HUMAN SUBJECTS

Authors
  1. Manolis, A.
  2. McBurney, L.J.
  3. Bobbie, B.A.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
Delta 9-Tetrahydrocannabinol (THC) was detected in breath of human subjects by gas liquid chromatography/mass spectrometry (GC/MS) up to twelve minutes after smoking marijuana. A number of adsorbents were tested for THC entrapment and subsequent detection (Tenax-GC, ethanol, 0.75 N ethanolic KOH, Amberlite resin XAD-2, and Sephadex G-10). All of these gave poor recoveries. The decay rate of breath THC was much faster than that of plasma THC and there was very poor correlation between breath THC and plasma THC. We conclude that the detection of breath THC is probably due to that emanating from the surface of the mouth and respiratory system.
Report Number
82-R-08 —
Date of publication
01 Jan 1983
Number of Pages
5
Reprinted from
Clinical Biochemistry, vol 16, no 4, 1983, p 229-233
DSTKIM No
83-03132
CANDIS No
40787
Format(s):
Hardcopy;Originator's fiche received by DSIS

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