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Issue 1261, 1981
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Comparison of some porous polymers as adsorbents for collection of odour samples and the application of the technique to an environmental malodour

Abstract

A range of Chromosorbs and Tenax-GC have been compared with regard to their efficiency as adsorbents for volatile odorous compounds using a very simple model system. When desorption was accomplished by solvent elution using acetone, Chromosorb 103 provided the best recoveries of those investigated (between 90 and 95%). In situations where thermal lability of trapped compounds is not a problem, use of Tenax-GC and thermal desorption at about 250 °C would be recommended on the basis of this survey, during which this approach consistently provided recoveries greater than 96% from small sample volumes. The latter procedure was applied to the analysis of an industrial malodour from an animal rendering factory, and using gas chromatography-mass spectrometry over 35 compounds (92% of the total odour sample) were positively identified. In particular, a range of alkylthiophenes may be characteristic of this particular odour.

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Article information


Analyst, 1981,106, 412-418
Article type
Paper

Comparison of some porous polymers as adsorbents for collection of odour samples and the application of the technique to an environmental malodour

R. D. Barnes, L. M. Law and A. J. MacLeod, Analyst, 1981, 106, 412
DOI: 10.1039/AN9810600412

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