Articles | Volume 15, issue 16
Research article
21 Aug 2015
Research article |  | 21 Aug 2015

The influences of mass loading and rapid dilution of secondary organic aerosol on particle volatility

K. R. Kolesar, C. Chen, D. Johnson, and C. D. Cappa


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by K. R. Kolesar on behalf of the Authors (23 Jul 2015)  Author's response   Manuscript 
ED: Publish as is (04 Aug 2015) by Annele Virtanen
AR by K. R. Kolesar on behalf of the Authors (04 Aug 2015)
Short summary
Secondary organic aerosol from the dark ozonolysis of α‑pinene was formed at a range of mass loadings from 1 to 800μg m-3. The amount of mass loss during evaporation in a thermodenuder was found to be independent of mass loading. A kinetic model of evaporation was fit to the observations and good agreement was obtained when the particle was either composed of dimers that decompose into semi-volatile monomers or when it was composed of low-volatility compounds that evaporate directly.
Final-revised paper