Articles | Volume 18, issue 15
https://doi.org/10.5194/acp-18-11125-2018
https://doi.org/10.5194/acp-18-11125-2018
Technical note
 | 
09 Aug 2018
Technical note |  | 09 Aug 2018

Technical note: Comparison and interconversion of pH based on different standard states for aerosol acidity characterization

Shiguo Jia, Xuemei Wang, Qi Zhang, Sayantan Sarkar, Luolin Wu, Minjuan Huang, Jinpu Zhang, and Liming Yang

Related authors

Quantitative impacts of vertical transport on the long-term trend of nocturnal ozone increase over the Pearl River Delta region during 2006–2019
Yongkang Wu, Weihua Chen, Yingchang You, Qianqian Xie, Shiguo Jia, and Xuemei Wang
Atmos. Chem. Phys., 23, 453–469, https://doi.org/10.5194/acp-23-453-2023,https://doi.org/10.5194/acp-23-453-2023, 2023
Short summary
Contribution of marine biological emissions to gaseous methylamines in the atmosphere: an emission inventory based on satellite data
Qi Zhang, Shiguo Jia, Weihua Chen, Jingying Mao, Liming Yang, Padmaja Krishnan, Sayantan Sarkar, Min Shao, and Xuemei Wang
Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2022-394,https://doi.org/10.5194/acp-2022-394, 2022
Revised manuscript not accepted
Short summary
Measurement report: Vertical distribution of atmospheric particulate matter within the urban boundary layer in southern China – size-segregated chemical composition and secondary formation through cloud processing and heterogeneous reactions
Shengzhen Zhou, Luolin Wu, Junchen Guo, Weihua Chen, Xuemei Wang, Jun Zhao, Yafang Cheng, Zuzhao Huang, Jinpu Zhang, Yele Sun, Pingqing Fu, Shiguo Jia, Jun Tao, Yanning Chen, and Junxia Kuang
Atmos. Chem. Phys., 20, 6435–6453, https://doi.org/10.5194/acp-20-6435-2020,https://doi.org/10.5194/acp-20-6435-2020, 2020
Short summary

Related subject area

Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
Asian dust transport of proteinaceous matter from the Gobi Desert to northern China
Ren-Guo Zhu, Hua-Yun Xiao, Meiju Yin, Hao Xiao, Zhongkui Zhou, Yuanyuan Pan, Guo Wei, and Cheng Liu
Atmos. Chem. Phys., 25, 7699–7718, https://doi.org/10.5194/acp-25-7699-2025,https://doi.org/10.5194/acp-25-7699-2025, 2025
Short summary
Machine-learning-assisted chemical characterization and optical properties of atmospheric brown carbon in Nanjing, China
Yu Huang, Xingru Li, Dan Dan Huang, Ruoyuan Lei, Binhuang Zhou, Yunjiang Zhang, and Xinlei Ge
Atmos. Chem. Phys., 25, 7619–7645, https://doi.org/10.5194/acp-25-7619-2025,https://doi.org/10.5194/acp-25-7619-2025, 2025
Short summary
Technical note: Reconstructing missing surface aerosol elemental carbon data in long-term series with ensemble learning
Qingxiao Meng, Yunjiang Zhang, Sheng Zhong, Jie Fang, Lili Tang, Yongcai Rao, Minfeng Zhou, Jian Qiu, Xiaofeng Xu, Jean-Eudes Petit, Olivier Favez, and Xinlei Ge
Atmos. Chem. Phys., 25, 7485–7498, https://doi.org/10.5194/acp-25-7485-2025,https://doi.org/10.5194/acp-25-7485-2025, 2025
Short summary
Enhanced emission of intermediate-volatility/semi-volatile organic matter in gas and particle phases from ship exhausts with low-sulfur fuels
Binyu Xiao, Fan Zhang, Zeyu Liu, Yan Zhang, Rui Li, Can Wu, Xinyi Wan, Yi Wang, Yubao Chen, Yong Han, Min Cui, Libo Zhang, Yingjun Chen, and Gehui Wang
Atmos. Chem. Phys., 25, 7053–7069, https://doi.org/10.5194/acp-25-7053-2025,https://doi.org/10.5194/acp-25-7053-2025, 2025
Short summary
Measurement report: Crustal materials play an increasing role in elevating particle pH – insights from 12-year records in a typical inland city of China
Hongyu Zhang, Shenbo Wang, Zhangsen Dong, Xiao Li, and Ruiqin Zhang
Atmos. Chem. Phys., 25, 6943–6955, https://doi.org/10.5194/acp-25-6943-2025,https://doi.org/10.5194/acp-25-6943-2025, 2025
Short summary

Cited articles

Amdur, M. O. and Chen, L. C.: Furnace-generated acid aerosols: speciation and pulmonary effects, Environ. Health Perspect., 79, 147–150, https://doi.org/10.2307/3430541, 1989. 
Baucke, F. G.: New IUPAC recommendations on the measurement of pH – background and essentials, Anal. Bioanal. Chem., 374, 772–777, https://doi.org/10.1007/s00216-002-1523-4, 2002. 
Chen, W., Wang, X., Cohen, J. B., Zhou, S., Zhang, Z., Chang, M., and Chan, C.-Y.: Properties of aerosols and formation mechanisms over southern China during the monsoon season, Atmos. Chem. Phys., 16, 13271–13289, https://doi.org/10.5194/acp-16-13271-2016, 2016a. 
Chen, W., Wang, X., Zhou, S., Cohen, J. B., Zhang, J., Wang, Y., Chang, M., Zeng, Y., Liu, Y., and Ling, Z.: Chemical Composition of PM 2.5 and its Impact on Visibility in Guangzhou, Southern China, Aerosol Air Qual. Res., 16, 2349–2361, 2016b. 
Clegg, S. L. and Wexler, A. S.: Densities and Apparent Molar Volumes of Atmospherically Important Electrolyte Solutions. 1. The Solutes H2SO4, HNO3, HCl, Na2SO4, NaNO3, NaCl, (NH4)2SO4, NH4NO3, and NH4Cl from 0 to 50 C, Including Extrapolations to Very Low Temperature and to the Pure Liquid State, and NaHSO4, NaOH, and NH3 at 25 C, J. Phys. Chem. A, 115, 3393–3460, https://doi.org/10.1021/jp108992a, 2011. 
Download
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.
Share
Altmetrics
Final-revised paper
Preprint