Abstract
Abstract An automated analytical system is used for the analysis of light hydrocarbons in ambient air. Sample pretreatment is performed with the instrument AAR-KA 5890A, manufactured by AMA(FRG). Sorbent materials (Tenax TA, Carbosieve S II, Molecular sieve) are used for sampling and enrichment of the hydrocarbons, which are analyzed by capillary gas chromatography with FID detection. In addition, an instrument was developed in our laboratories, in which the dehydration of the air samples and the thermal regeneration of the drying agent (K2CO3) were automated. The experience from field measurements, in which nine light hydrocarbons from ambient air were quantified, is used to discuss the performance of the instrument.
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More From: International Journal of Environmental Analytical Chemistry
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