Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
40, Number 3, March 2002, pp. 122-126
Evaluation of Indoor Exposition to Benzene, Toluene, Ethylbenzene,
Xylene, and Styrene by Passive Sampling with a Solid-Phase Microextraction Device
Fabrício V. Parreira, Ciomara R. de Carvalho, and Zenilda
de L. Cardeal
Chemistry Department – ICEx, Federal University of Minas Gerais, Av. Antônio
Carlos, 6627, 31270-901 Belo Horizonte, M.G., Brazil
A solid-phase microextraction (SPME) sampling method is developed
to evaluate indoor exposure to benzene, toluene, ethylbenzene, xylene, and styrene
with gas chromatography and flame ionization detection for quantitative analysis.
An SPME holder with a 100-µm polydimethylsiloxane (PDMS) and 65-µm
PDMS–divinylbenzene fiber coating is tested in different air relative humidity
conditions. The method gives good resolution, shows a linear response, is repeatable,
and presents high sensitivity. This method is compared with National Institute
of Occupational Safety and Health (NIOSH) active sampling.
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