Articles | Volume 19, issue 22
Atmos. Chem. Phys., 19, 14195–14209, 2019
https://doi.org/10.5194/acp-19-14195-2019
Atmos. Chem. Phys., 19, 14195–14209, 2019
https://doi.org/10.5194/acp-19-14195-2019

Research article 26 Nov 2019

Research article | 26 Nov 2019

Single-particle experiments measuring humidity and inorganic salt effects on gas-particle partitioning of butenedial

Adam W. Birdsall et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Adam Birdsall on behalf of the Authors (07 Oct 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (08 Oct 2019) by Ryan Sullivan
RR by Anonymous Referee #1 (18 Oct 2019)
ED: Publish as is (19 Oct 2019) by Ryan Sullivan
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Short summary
We have measured the evaporation rates of butenedial, a four-carbon dialdehyde produced in the atmosphere, from individual levitated particles. Effective vapor pressures and Henry's law constants, which characterize the compound's gas-particle partitioning behavior, were determined. The important role of hydration reactions was observed under both dry and humid conditions, as well as a salting-out effect in the presence of sodium chloride or sodium sulfate.
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