Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds

Lopez-Hilfiker, F. D.; Mohr, C.; Ehn, M.; Rubach, F.; Kleist, E.; Wildt, J.; Mentel, Th. F.; Carrasquillo, A. J.; Daumit, K. E.; Hunter, J. F.; Kroll, J. H.; Worsnop, D. R.; Thornton, J. A.

doi:https://doi.org/10.5194/acp-15-7765-2015

Articles | Volume 15, issue 14

https://doi.org/10.5194/acp-15-7765-2015

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

https://doi.org/10.5194/acp-15-7765-2015

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

Articles | Volume 15, issue 14

Research article

|

16 Jul 2015

Research article |

| 16 Jul 2015

Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds

F. D. Lopez-Hilfiker, C. Mohr, M. Ehn, F. Rubach, E. Kleist, J. Wildt, Th. F. Mentel, A. J. Carrasquillo, K. E. Daumit, J. F. Hunter, J. H. Kroll, D. R. Worsnop, and J. A. Thornton

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Final revised paper (published on 16 Jul 2015)
Preprint (discussion started on 18 Feb 2015)

Interactive discussion

Status: closed

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

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RC C750: 'Review of ‘Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds’', Anonymous Referee #1, 12 Mar 2015
RC C1319: 'SOA Volatility, Composition, and Partitioning', Anonymous Referee #2, 06 Apr 2015
RC C1426: 'Review of "Phase partitioning and volatility of secondary organic aerosol components formed from α-pinene ozonolysis and OH oxidation: the importance of accretion products and other low volatility compounds"', Anonymous Referee #3, 08 Apr 2015
AC C3015: 'Author Response', Felipe Lopez-Hilfiker, 27 May 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Felipe Lopez-Hilfiker on behalf of the Authors (28 May 2015) Author's response Manuscript

ED: Publish as is (16 Jun 2015) by Athanasios Nenes

AR by Felipe Lopez-Hilfiker on behalf of the Authors (22 Jun 2015)

Short summary

We measured a large suite organic compounds using a recently developed Filter Inlet for Gases and AEROsols (FIGAERO) coupled to a (HR-ToF-CIMS). The instrument was deployed on environmental simulation chambers to study monoterpene oxidation as a secondary organic aerosol (SOA) source. We find that approximately 50% of the detected particle phase mass is associated with compounds having effective vapor pressures 4, or more, orders of magnitude lower than commonly measured products.