Summary
A new automatic method is described for quantitative determination of some light C2–C4 hydrocarbons in urban air: ethene, ethyne, propane, propene, butane and iso-butane. This method is based on an enrichment step at room temperature using a solid sorbent and subsequent thermal desorption for gas chromatographic separation and FID detection. The instrument is built up of a small commercial gas chromatograph and a laboratory-made trap and desorption unit. The sampling parameters, sample volume, concentration and humidity of air have been investigated.
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Persson, K.A., Berg, S. Automatic determination of selected C2–C4 hydrocarbons in urban air by solid sorbent sampling and gas chromatography. Chromatographia 27, 55–59 (1989). https://doi.org/10.1007/BF02290406
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DOI: https://doi.org/10.1007/BF02290406