Articles | Volume 23, issue 21
https://doi.org/10.5194/acp-23-13809-2023
https://doi.org/10.5194/acp-23-13809-2023
Research article
 | 
06 Nov 2023
Research article |  | 06 Nov 2023

The effect of atmospherically relevant aminium salts on water uptake

Noora Hyttinen

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Cited articles

Aoki, E., Sarrimanolis, J. N., Lyon, S. A., and Elrod, M. J.: Determining the Relative Reactivity of Sulfate, Bisulfate, and Organosulfates with Epoxides on Secondary Organic Aerosol, ACS Earth Space Chem., 4, 1793–1801, https://doi.org/10.1021/acsearthspacechem.0c00178, 2020. a, b
Ben-Naim, A.: Solvation Thermodynamics, Plenum Press, New York, London, ISBN 10:1475765525 or ISBN 13:978-1475765526, ISBN 9780306425387, ISBN 0306425386, 1987. a
Bilde, M. and Svenningsson, B.: CCN activation of slightly soluble organics: the importance of small amounts of inorganic salt and particle phase, Tellus B, 56, 128–134, https://doi.org/10.3402/tellusb.v56i2.16406, 2004. a
BIOVIA COSMOconf: Dassault Systèmes, http://www.3ds.com (last access: 29 January 2021), 2021. a
BIOVIA COSMOtherm: Release 2021, Dassault Systèmes, http://www.3ds.com (last access: 1 April 2021), 2021a. a
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Short summary
Water activity in aerosol particles describes how particles respond to variations in relative humidity. Here, water activities were calculated for a set of 80 salts that may be present in aerosol particles using a state-of-the-art quantum-chemistry-based method. The effect of the dissociated salt on water activity varies with both the cation and anion. Most of the studied salts increase water uptake compared to pure water-soluble organic particles.
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