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

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

doi:https://doi.org/10.5194/acp-15-9327-2015

Articles | Volume 15, issue 16

https://doi.org/10.5194/acp-15-9327-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-9327-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

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

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Final revised paper (published on 21 Aug 2015)
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Preprint (discussion started on 02 Apr 2015)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C2313: 'Review of the manucript ’The influence of mass loading and rapid dilution of secondary organic aerosol on particle volatility’ by Kolesar et al.', Anonymous Referee #1, 06 May 2015
- AC C2487: 'Author Comments in response to Referee#1', K. R. Kolesar, 12 May 2015
RC C4595: 'Review comments on The influences of mass loading and rapid dilution of secondary organic aerosol on particle volatility', Pontus Roldin, 08 Jul 2015
- AC C5143: 'Response to Reviewer 2', K. R. Kolesar, 23 Jul 2015

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)

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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.