Articles | Volume 19, issue 12
https://doi.org/10.5194/acp-19-7939-2019
https://doi.org/10.5194/acp-19-7939-2019
Research article
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17 Jun 2019
Research article | Highlight paper |  | 17 Jun 2019

Aerosol pH and its driving factors in Beijing

Jing Ding, Pusheng Zhao, Jie Su, Qun Dong, Xiang Du, and Yufen Zhang

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Bian, Y. X., Zhao, C. S., Ma, N., Chen, J., and Xu, W. Y.: A study of aerosol liquid water content based on hygroscopicity measurements at high relative humidity in the North China Plain, Atmos. Chem. Phys., 14, 6417–6426, https://doi.org/10.5194/acp-14-6417-2014, 2014. 
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Chen, X., Walker, J. T., and Geron, C.: Chromatography related performance of the Monitor for AeRosols and GAses in ambient air (MARGA): laboratory and field-based evaluation, Atmos. Meas. Tech., 10, 3893–3908, https://doi.org/10.5194/amt-10-3893-2017, 2017. 
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Clegg, S. L., Brimblecombe, P., and Wexler, A. S.: A thermodynamic model of the system H+, NH4+, SO42-, NO3-, H2O at tropospheric temperatures, J. Phys. Chem., 102, 2137–2154, https://doi.org/10.1021/jp973042r, 1998. 
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Aerosol acidity plays a key role in secondary aerosol formation. To provide a more comprehensive reference for aerosol pH and a basis for controlling secondary aerosol generation, this study used the latest data covering four seasons and different particle sizes to obtain the characteristics of aerosol pH and explore the main factors affecting aerosol pH and gas–particle partitioning in the Beijing area.
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