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Development of a miniaturized diffusive sampler for true breathing-zone sampling and thermal desorption gas chromatographic analysis
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Fenix Environmental, SE- 907 19 Umeå, Sweden)
Fenix Environmental, SE- 907 19 Umeå, Sweden.
2009 (English)In: Journal of Environmental Monitoring, ISSN 1464-0325, E-ISSN 1464-0333, Vol. 11, no 7, 1340-1344 p.Article in journal (Refereed) Published
Abstract [en]

Exposure measurements should be performed as close as possible to the nose and mouth for a more correct assessment of exposure. User-friendly sampling equipment, with a minimum of handling before, during and after measurement, should not affect ordinary work. In diffusive (passive) sampling, no extra equipment as sampling pumps is needed, making the measurements more acceptable to the user. The diffusive samplers are normally attached on a shoulder, on a breast-pocket or on the lapel. There are, however, difficulties if true breathing-zone sampling is to be performed, since available diffusive samplers normally cannot be arranged close to the nose/mouth. The purpose of this work was to study the performance of a miniaturized tube type diffusive sampler attached to a headset for true breathing-zone sampling. The basis for this miniaturization was the Perkin Elmer ATD tube. Both the size of the tube and the amount of adsorbent was decreased for the miniaturized sampler. A special tube holder to be used with a headset was designed for the mini tube. The mini tube is thermally desorbed inside a standard PE tube. The new sampler was evaluated for the determination of styrene, both in laboratory experiments and in field measurements. As reference method, diffusive sampling with standard Perkin Elmer tubes, thermal desorption and gas chromatographic (GC) analysis was used. The sampling rate was determined to 0.356 mL min-1 (CV 9.6%) and was not significantly affected by concentration, sampling time or relative humidity.


Place, publisher, year, edition, pages
Royal Society of Chemistry, 2009. Vol. 11, no 7, 1340-1344 p.
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-25210DOI: 10.1039/b901926jOAI: diva2:229159
Available from: 2009-08-11 Created: 2009-08-11 Last updated: 2012-06-05Bibliographically approved

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Lindahl, RogerLevin, Jan-Olof
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