Abstract
Extraction of the petroleum components benzene, toluene, ethyl benzene and the xylenes (BTEX) from water is described using a commercially available poly(dimethylsiloxane) solid-phase microextraction fibre assembly with separation and quantification by carbon-layer open tubular capillary column gas chromatography and flame ionization detection. All components of BTEX are resolved. No cryofocussing is required.
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