Articles | Volume 19, issue 23
https://doi.org/10.5194/acp-19-14607-2019
© Author(s) 2019. 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-19-14607-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Dec 2019
Research article |
| 03 Dec 2019
Effects of water-soluble organic carbon on aerosol pH
Michael A. Battaglia Jr.
Department of Chemical, Biochemical and Environmental Engineering,
University of Maryland, Baltimore County, Baltimore, MD 21250, USA
Rodney J. Weber
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
Athanasios Nenes
School of Earth and Atmospheric Sciences, Georgia Institute of
Technology, Atlanta, GA 30332, USA
Institute for Chemical Engineering Sciences, Foundation for Research and Technology – Hellas, Patras, 26504, Greece
Laboratory of Atmospheric Processes and their Impacts, School of
Architecture, Civil and Environmental Engineering, Ecole Polytechnique
Fédérale de Lausanne, 1015, Lausanne, Switzerland
Christopher J. Hennigan
CORRESPONDING AUTHOR
Department of Chemical, Biochemical and Environmental Engineering,
University of Maryland, Baltimore County, Baltimore, MD 21250, USA
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- The acidity of atmospheric particles and clouds H. Pye et al. 10.5194/acp-20-4809-2020
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- Significant impactor sampling artifacts of ammonium, nitrate, and organic acids Y. Yao et al. 10.1016/j.atmosenv.2022.118985
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- Investigation of factors controlling PM2.5 variability across the South Korean Peninsula during KORUS-AQ C. Jordan et al. 10.1525/elementa.424
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- Aerosol acidity and liquid water content regulate the dry deposition of inorganic reactive nitrogen A. Nenes et al. 10.5194/acp-21-6023-2021
- The influence of chemical composition, aerosol acidity, and metal dissolution on the oxidative potential of fine particulate matter and redox potential of the lung lining fluid P. Shahpoury et al. 10.1016/j.envint.2020.106343
- Fates of Organic Hydroperoxides in Atmospheric Condensed Phases S. Enami 10.1021/acs.jpca.1c01513
- Estimation of aerosol acidity at a suburban site of Nanjing using machine learning method M. Tao et al. 10.1007/s10874-022-09433-4
- Importance of gas-particle partitioning of ammonia in haze formation in the rural agricultural environment J. Xu et al. 10.5194/acp-20-7259-2020
- Proton-Catalyzed Decomposition of α-Hydroxyalkyl-Hydroperoxides in Water J. Qiu et al. 10.1021/acs.est.0c03438
- Urban aerosol chemistry at a land–water transition site during summer – Part 2: Aerosol pH and liquid water content M. Battaglia Jr. et al. 10.5194/acp-21-18271-2021
- Chemical transport models often underestimate inorganic aerosol acidity in remote regions of the atmosphere B. Nault et al. 10.1038/s43247-021-00164-0
- Size-resolved aerosol pH over Europe during summer S. Kakavas et al. 10.5194/acp-21-799-2021
- Fine Aerosol Acidity and Water during Summer in the Eastern North Atlantic T. Nah et al. 10.3390/atmos12081040
Latest update: 06 Jun 2023
Short summary
The effects of water-soluble organic carbon (WSOC) on aerosol pH were characterized for aqueous-phase particles containing a mixture of inorganics and organics. The ISORROPIA-II and E-AIM models were used in conjunction with AIOMFAC to quantify the effect of organics on aerosol pH through (1) changes to the aerosol liquid water content and (2) changes to the hydrogen ion activity coefficient. The study included both organic acids and nonacids, at RH levels ranging from 70 to 90 %.
The effects of water-soluble organic carbon (WSOC) on aerosol pH were characterized for...
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