Articles | Volume 15, issue 6
https://doi.org/10.5194/acp-15-2953-2015
https://doi.org/10.5194/acp-15-2953-2015
Research article
 | 
17 Mar 2015
Research article |  | 17 Mar 2015

Gaseous products and secondary organic aerosol formation during long term oxidation of isoprene and methacrolein

L. Brégonzio-Rozier, F. Siekmann, C. Giorio, E. Pangui, S. B. Morales, B. Temime-Roussel, A. Gratien, V. Michoud, S. Ravier, M. Cazaunau, A. Tapparo, A. Monod, and J.-F. Doussin

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Short summary
First- and higher order -generation products formed from the oxidation of isoprene and methacrolein with OH radicals in the presence of NOx have been studied in a simulation chamber. Differences in light source are proposed to partially explain the discrepancies observed between different studies in the literature for both isoprene- and methacrolein-SOA mass yields. According to our results, these SOA yields in the atmosphere could be lower than suggested by most of the current chamber studies.
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