Articles | Volume 18, issue 1
Atmos. Chem. Phys., 18, 357–370, 2018
https://doi.org/10.5194/acp-18-357-2018
Atmos. Chem. Phys., 18, 357–370, 2018
https://doi.org/10.5194/acp-18-357-2018

Research article 12 Jan 2018

Research article | 12 Jan 2018

Coupling of organic and inorganic aerosol systems and the effect on gas–particle partitioning in the southeastern US

Havala O. T. Pye et al.

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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 Havala Pye on behalf of the Authors (11 Oct 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (26 Oct 2017) by Yafang Cheng
RR by Anonymous Referee #1 (11 Nov 2017)
ED: Publish as is (28 Nov 2017) by Yafang Cheng
AR by Havala Pye on behalf of the Authors (29 Nov 2017)  Author's response
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Short summary
Thermodynamic modeling revealed that some but not all measurements of ammonium-to-sulfate ratios are consistent with theory. The measurement diversity likely explains the previously reported range of results regarding the suitability of thermodynamic modeling. Despite particles being predominantly phase separated, organic–inorganic interactions resulted in increased aerosol pH and partitioning towards the particle phase for highly oxygenated organic compounds compared to traditional methods.
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