Articles | Volume 22, issue 2
https://doi.org/10.5194/acp-22-973-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-973-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jan 2022
Research article |
| 21 Jan 2022
| 21 Jan 2022
Extension of the AIOMFAC model by iodine and carbonate species: applications for aerosol acidity and cloud droplet activation
Department of Atmospheric and Oceanic Sciences, McGill University, Montréal, Quebec, Canada
Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland
Liviana Klein
Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland
Ulrich K. Krieger
Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland
Alison Bain
Department of Chemistry, McGill University, Montréal, Quebec, Canada
Brandon J. Wallace
Department of Chemistry, McGill University, Montréal, Quebec, Canada
Thomas C. Preston
Department of Atmospheric and Oceanic Sciences, McGill University, Montréal, Quebec, Canada
Department of Chemistry, McGill University, Montréal, Quebec, Canada
Department of Atmospheric and Oceanic Sciences, McGill University, Montréal, Quebec, Canada
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Short summary
Iodine and carbonate species are important components in marine and dust aerosols, respectively. We introduce an extended version of the AIOMFAC thermodynamic mixing model, which includes the ions I−, IO3−, HCO3−, CO32−, OH−, and CO2(aq) as new species, and we discuss two methods for solving the carbonate dissociation equilibria numerically. We also present new experimental water activity data for aqueous iodide and iodate systems.
Iodine and carbonate species are important components in marine and dust aerosols, respectively....
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