Volume 26, Number 4, May 1998Proche Infrarouge PIR
|Page(s)||170 - 174|
Analysis of selected gaseous organic micro-pollutants in air by means of solid phase microextraction-gas chromatography-mass spectrometry. Calibration problemsJ. Namiesunik, D. Gorlo, L. Wolska and B. Zygmunt
Department of Analytical Chemistry, Chemical Faculty Technical University of Gdañsk (TUG), 80-956 Gdañsk, Poland
In this work, problems related to calibration of solid phase microextraction (SPME) device were described. The effects of humidity and temperature on organic pollutants sampling from gaseous matrices on a 100 m PDMS coated SPME fiber were studied. Standard gaseous mixtures used in these studies were generated by the permeation method and humidified to known lev-els of relative humidity. The SPME-GC-MS based procedure was used to determine organic vapours (carbon tetrachloride, toluene, chlorobenzene, p-xylene and n-decane) in a laboratory air.
Key words: Solid phase microextraction / gas chromatography / calibration / volatile organic air pollutants / mass spectrometry.
© EDP Sciences, Wiley-VCH 1998
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