Chromatographic measurement of molecular markers of sources of atmospheric aerosol particles
- 1 June 1996
- journal article
- Published by Springer Nature in Environmental Geochemistry and Health
- Vol. 18 (2) , 77-80
- https://doi.org/10.1007/bf01771135
Abstract
Various organic compounds in aerosol particles in ambient air near a coniferous forest fire in Boulder, Colorado were identified as molecular markers of wood burning and forest fires. Particle samples were collected by filtering small volumes of air. The samples were analysed using thermal desorption followed by gas chromatographic separation and detection, a highly sensitive analytical method. Several compounds unique to softwood combustion were identified in the samples. Additionally, a predominance of odd-carbon-numbered n-alkanes over the corresponding even-carbon-numbered n-alkanes was observed. This predominance is a well-documented molecular pattern indicative of epicutical waxes in plants.Keywords
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