Articles | Volume 15, issue 9
https://doi.org/10.5194/acp-15-5211-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-5211-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 May 2015
Research article |
| 11 May 2015
Fine-particle water and pH in the southeastern United States
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
A. Bougiatioti
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
National Technical University of Athens, Athens, Greece
K. M. Cerully
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
now at: TSI, Inc., Shoreview, MN, USA
S. L. Capps
Office of Research and Development, United States Environmental Protection Agency, Research Triangle Park, NC, USA
now at: Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO, USA
J. R. Hite Jr.
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
A. G. Carlton
Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
S.-H. Lee
College of Public Health, Kent State University, Kent, OH, USA
M. H. Bergin
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Foundation for Research and Technology, Hellas, Greece
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
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Latest update: 25 Nov 2025
Short summary
Particle pH can affect many aerosol processes, including gas-particle partitioning, SOA formation, and mobilization of toxic redox metals. pH is challenging to directly measure and often improperly characterized by proxies like ion balances or molar ratios of measured aerosol ionic species. We present a detailed analysis predicting pH with a thermodynamic model, verify the prediction, and test pH sensitivity to model inputs based on data from the SOAS field campaign.
Particle pH can affect many aerosol processes, including gas-particle partitioning, SOA...
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