Articles | Volume 18, issue 15
https://doi.org/10.5194/acp-18-11125-2018
© Author(s) 2018. 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-18-11125-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Technical note
| 
09 Aug 2018
Technical note |
| 09 Aug 2018
| 09 Aug 2018
Technical note: Comparison and interconversion of pH based on different standard states for aerosol acidity characterization
Shiguo Jia
School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou 510275, P. R. China
Xuemei Wang
CORRESPONDING AUTHOR
Institute for Environmental and Climate Research, Jinan University, Guangzhou 510632, P. R. China
Qi Zhang
School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
Sayantan Sarkar
Department of Earth Sciences, and Centre for Climate and Environmental Studies, Indian Institute of Science Education and Research – Kolkata, Nadia 741246, West Bengal, India
Luolin Wu
School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
Minjuan Huang
School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, P. R. China
Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou 510275, P. R. China
Jinpu Zhang
Guangzhou Environmental Monitoring Center, Guangzhou 510030, P. R. China
Liming Yang
CORRESPONDING AUTHOR
Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117576, Republic of Singapore
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31 citations as recorded by crossref.
- Direct measurement of aerosol acidity using pH testing paper and hygroscopic equilibrium under high relative humidity Q. Song & K. Osada 10.1016/j.atmosenv.2021.118605
- Online chemical characterization of atmospheric fine secondary aerosols and organic nitrates in summer Nanjing, China J. Xian et al. 10.1016/j.atmosres.2023.106783
- Mechanism-based structure-activity relationship investigation on hydrolysis kinetics of atmospheric organic nitrates Q. Zhao et al. 10.1038/s41612-023-00517-w
- Effects of water-soluble organic carbon on aerosol pH M. Battaglia Jr. et al. 10.5194/acp-19-14607-2019
- Direct measurement of the pH of aerosol particles using carbon quantum dots E. Tackman et al. 10.1039/D2AY01005D
- Multiphase buffer theory explains contrasts in atmospheric aerosol acidity G. Zheng et al. 10.1126/science.aba3719
- How alkaline compounds control atmospheric aerosol particle acidity V. Karydis et al. 10.5194/acp-21-14983-2021
- On using an aerosol thermodynamic model to calculate aerosol acidity of coarse particles Z. Fang et al. 10.1016/j.jes.2023.07.001
- Aerosol pH Dynamics During Haze Periods in an Urban Environment in China: Use of Detailed, Hourly, Speciated Observations to Study the Role of Ammonia Availability and Secondary Aerosol Formation and Urban Environment G. Shi et al. 10.1029/2018JD029976
- Thermodynamic Modeling Suggests Declines in Water Uptake and Acidity of Inorganic Aerosols in Beijing Winter Haze Events during 2014/2015–2018/2019 S. Song et al. 10.1021/acs.estlett.9b00621
- Characteristics of aerosol chemistry and acidity in Shanghai after PM2.5 satisfied national guideline: Insight into future emission control Z. Fu et al. 10.1016/j.scitotenv.2022.154319
- Seasonal variation of aerosol acidity in Nagoya, Japan and factors affecting it Q. Song & K. Osada 10.1016/j.aeaoa.2020.100062
- Atmospheric Chemistry of Oxalate: Insight Into the Role of Relative Humidity and Aerosol Acidity From High‐Resolution Observation C. Yang et al. 10.1029/2021JD035364
- Quantitative Decomposition of Influencing Factors to Aerosol pH Variation over the Coasts of the South China Sea, East China Sea, and Bohai Sea G. Wang et al. 10.1021/acs.estlett.2c00527
- Role of pH in Aerosol Processes and Measurement Challenges M. Freedman et al. 10.1021/acs.jpca.8b10676
- Simulations of aerosol pH in China using WRF-Chem (v4.0): sensitivities of aerosol pH and its temporal variations during haze episodes X. Ruan et al. 10.5194/gmd-15-6143-2022
- A quantitative analysis of the driving factors affecting seasonal variation of aerosol pH in Guangzhou, China S. Jia et al. 10.1016/j.scitotenv.2020.138228
- Detailed Analysis of Estimated pH, Activity Coefficients, and Ion Concentrations between the Three Aerosol Thermodynamic Models X. Peng et al. 10.1021/acs.est.9b00181
- The acidity of atmospheric particles and clouds H. Pye et al. 10.5194/acp-20-4809-2020
- Enhancement of aqueous sulfate formation by the coexistence of NO2/NH3 under high ionic strengths in aerosol water T. Chen et al. 10.1016/j.envpol.2019.05.119
- Impacts of the East Asia monsoon on the PM2.5 acidity in Hanoi P. Hien et al. 10.1016/j.apr.2024.102304
- Metal speciation of volcanic aerosols from Mt. Etna at varying aerosol water content and pH obtained by different thermodynamic models T. Hull et al. 10.1039/D4EA00108G
- Impacts of Mixed Gaseous and Particulate Pollutants on Secondary Particle Formation during Ozonolysis of Butyl Vinyl Ether P. Zhang et al. 10.1021/acs.est.9b07650
- Water activity in Venus’s uninhabitable clouds and other planetary atmospheres J. Hallsworth et al. 10.1038/s41550-021-01391-3
- Technical note: Influence of different averaging metrics and temporal resolutions on the aerosol pH calculated by thermodynamic modeling H. Wang et al. 10.5194/acp-24-6583-2024
- An interlaboratory comparison of aerosol inorganic ion measurements by ion chromatography: implications for aerosol pH estimate J. Xu et al. 10.5194/amt-13-6325-2020
- Simple Framework to Quantify the Contributions from Different Factors Influencing Aerosol pH Based on NHx Phase-Partitioning Equilibrium Y. Tao & J. Murphy 10.1021/acs.est.1c03103
- Stark seasonal contrast of fine aerosol levels, composition, formation mechanism, and characteristics in a polluted megacity S. Tripathi et al. 10.1007/s11356-024-35196-4
- PM2.5 pH estimation in Seoul during the KORUS-AQ campaign using different thermodynamic models Y. Kim et al. 10.1016/j.atmosenv.2021.118787
- Comparison of acidity and chemical composition of summertime cloud water and aerosol at an alpine site in Northwest China: Implications for the neutral property of clouds in the free troposphere M. Shen et al. 10.1016/j.scitotenv.2024.171775
- Long-term trends and drivers of aerosol pH in eastern China M. Zhou et al. 10.5194/acp-22-13833-2022
31 citations as recorded by crossref.
- Direct measurement of aerosol acidity using pH testing paper and hygroscopic equilibrium under high relative humidity Q. Song & K. Osada 10.1016/j.atmosenv.2021.118605
- Online chemical characterization of atmospheric fine secondary aerosols and organic nitrates in summer Nanjing, China J. Xian et al. 10.1016/j.atmosres.2023.106783
- Mechanism-based structure-activity relationship investigation on hydrolysis kinetics of atmospheric organic nitrates Q. Zhao et al. 10.1038/s41612-023-00517-w
- Effects of water-soluble organic carbon on aerosol pH M. Battaglia Jr. et al. 10.5194/acp-19-14607-2019
- Direct measurement of the pH of aerosol particles using carbon quantum dots E. Tackman et al. 10.1039/D2AY01005D
- Multiphase buffer theory explains contrasts in atmospheric aerosol acidity G. Zheng et al. 10.1126/science.aba3719
- How alkaline compounds control atmospheric aerosol particle acidity V. Karydis et al. 10.5194/acp-21-14983-2021
- On using an aerosol thermodynamic model to calculate aerosol acidity of coarse particles Z. Fang et al. 10.1016/j.jes.2023.07.001
- Aerosol pH Dynamics During Haze Periods in an Urban Environment in China: Use of Detailed, Hourly, Speciated Observations to Study the Role of Ammonia Availability and Secondary Aerosol Formation and Urban Environment G. Shi et al. 10.1029/2018JD029976
- Thermodynamic Modeling Suggests Declines in Water Uptake and Acidity of Inorganic Aerosols in Beijing Winter Haze Events during 2014/2015–2018/2019 S. Song et al. 10.1021/acs.estlett.9b00621
- Characteristics of aerosol chemistry and acidity in Shanghai after PM2.5 satisfied national guideline: Insight into future emission control Z. Fu et al. 10.1016/j.scitotenv.2022.154319
- Seasonal variation of aerosol acidity in Nagoya, Japan and factors affecting it Q. Song & K. Osada 10.1016/j.aeaoa.2020.100062
- Atmospheric Chemistry of Oxalate: Insight Into the Role of Relative Humidity and Aerosol Acidity From High‐Resolution Observation C. Yang et al. 10.1029/2021JD035364
- Quantitative Decomposition of Influencing Factors to Aerosol pH Variation over the Coasts of the South China Sea, East China Sea, and Bohai Sea G. Wang et al. 10.1021/acs.estlett.2c00527
- Role of pH in Aerosol Processes and Measurement Challenges M. Freedman et al. 10.1021/acs.jpca.8b10676
- Simulations of aerosol pH in China using WRF-Chem (v4.0): sensitivities of aerosol pH and its temporal variations during haze episodes X. Ruan et al. 10.5194/gmd-15-6143-2022
- A quantitative analysis of the driving factors affecting seasonal variation of aerosol pH in Guangzhou, China S. Jia et al. 10.1016/j.scitotenv.2020.138228
- Detailed Analysis of Estimated pH, Activity Coefficients, and Ion Concentrations between the Three Aerosol Thermodynamic Models X. Peng et al. 10.1021/acs.est.9b00181
- The acidity of atmospheric particles and clouds H. Pye et al. 10.5194/acp-20-4809-2020
- Enhancement of aqueous sulfate formation by the coexistence of NO2/NH3 under high ionic strengths in aerosol water T. Chen et al. 10.1016/j.envpol.2019.05.119
- Impacts of the East Asia monsoon on the PM2.5 acidity in Hanoi P. Hien et al. 10.1016/j.apr.2024.102304
- Metal speciation of volcanic aerosols from Mt. Etna at varying aerosol water content and pH obtained by different thermodynamic models T. Hull et al. 10.1039/D4EA00108G
- Impacts of Mixed Gaseous and Particulate Pollutants on Secondary Particle Formation during Ozonolysis of Butyl Vinyl Ether P. Zhang et al. 10.1021/acs.est.9b07650
- Water activity in Venus’s uninhabitable clouds and other planetary atmospheres J. Hallsworth et al. 10.1038/s41550-021-01391-3
- Technical note: Influence of different averaging metrics and temporal resolutions on the aerosol pH calculated by thermodynamic modeling H. Wang et al. 10.5194/acp-24-6583-2024
- An interlaboratory comparison of aerosol inorganic ion measurements by ion chromatography: implications for aerosol pH estimate J. Xu et al. 10.5194/amt-13-6325-2020
- Simple Framework to Quantify the Contributions from Different Factors Influencing Aerosol pH Based on NHx Phase-Partitioning Equilibrium Y. Tao & J. Murphy 10.1021/acs.est.1c03103
- Stark seasonal contrast of fine aerosol levels, composition, formation mechanism, and characteristics in a polluted megacity S. Tripathi et al. 10.1007/s11356-024-35196-4
- PM2.5 pH estimation in Seoul during the KORUS-AQ campaign using different thermodynamic models Y. Kim et al. 10.1016/j.atmosenv.2021.118787
- Comparison of acidity and chemical composition of summertime cloud water and aerosol at an alpine site in Northwest China: Implications for the neutral property of clouds in the free troposphere M. Shen et al. 10.1016/j.scitotenv.2024.171775
- Long-term trends and drivers of aerosol pH in eastern China M. Zhou et al. 10.5194/acp-22-13833-2022
Latest update: 22 Nov 2024
Short summary
Aerosol pH are often directly compared across studies while ignoring the inconsistency in standard states. This study attempts to address this issue by comparing aerosol pH with different standard states on the basis of theoretical considerations followed with a set of field data as an example. Application of a pH standardization protocol including a precise statement of thermodynamic model parameters is recommended to avoid biases in cross-comparison.
Aerosol pH are often directly compared across studies while ignoring the inconsistency in...
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