Concentrator and method for detection of amine vapours

Details Concentrator and method for detection of amine vapours Concentrator and method for detection of amine vapours

B - Operations, Transporting

01

J

150/20, 252/31,

B01J 20/26 (2006.01) A61L 9/16 (2006.01) G01N 30/54 (2006.01) G01N 33/00 (2006.01)

Patent

CA 1201646

TITLE CONCENTRATOR AND METHOD FOR DETECTION OF AMINE VAPORS INVENTORS André H. Lawrence Lorne Elias ABSTRACT OF THE DISCLOSURE A method, and air sampler concentrator, for sampling and de- tecting trace quantities of amine vapors in ambient atmospheres, are described. Atmospheres containing vapors of amines, particularly aralkyl amines such as amphetamines, are sampled and vapors collected in a con- centrator having two adsorber components, one a polymeric adsorbent for amines and the other a selected alkaline adsorbent. Collected vapors are thermally desorbed in stages and the amine vapors analyzed by gas chroma- tography. The concentrator and method are very suitable for detecting trace amount of amine drugs and alkyl or aryl amine vapors found in some industrial work environments.

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