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Inicio  /  Atmosphere  /  Vol: 8 Núm: 5 Par: May (2017)  /  Artículo
ARTÍCULO
TITULO

Decomposition Kinetics of Non-Volatile Alkanes on Urban Aerosol

Dimitra Karali    
Spyridon Rapsomanikis and Achilleas Christoforidis    

Resumen

The decomposition kinetics of non-volatile n-alkanes that were collected in an urban environment were studied. The quartz filters that they were collected on were exposed in two reactors, in dark and natural light conditions, for four days. Ambient air that was passed through the reactors continuously, ensured a supply of exogenic oxidants to the surface of the filters. The lifetimes of the non-volatile n-alkanes were experimentally determined to be in the order of 3?6 days. The results from the light reactor exhibited approximately a 10% decrease in their lifetime. The results obtained for the prevailing atmospheric conditions and for the duration of the experiments, were in agreement with values from the literature.