Articles | Volume 20, issue 12
https://doi.org/10.5194/acp-20-7259-2020
https://doi.org/10.5194/acp-20-7259-2020
Research article
 | 
23 Jun 2020
Research article |  | 23 Jun 2020

Importance of gas-particle partitioning of ammonia in haze formation in the rural agricultural environment

Jian Xu, Jia Chen, Na Zhao, Guochen Wang, Guangyuan Yu, Hao Li, Juntao Huo, Yanfen Lin, Qingyan Fu, Hongyu Guo, Congrui Deng, Shan-Hu Lee, Jianmin Chen, and Kan Huang

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Cited articles

ApSimon, H. M., Kruse, M., and Bell, J. N. B.: Ammonia emissions and their role in acid deposition, Atmos. Environ., 21, 1939–1946, https://doi.org/10.1016/0004-6981(87)90154-5, 1987. 
Arellanes, C., Paulson, S. E., Fine, P. M., and Sioutas, C.: Exceeding of Henry's Law by Hydrogen Peroxide Associated with Urban Aerosols, Environ. Sci. Technol., 40, 4859–4866, https://doi.org/10.1021/es0513786, 2006. 
Ball, S. M., Hanson, D. R., Eisele, F. L., and McMurry, P. H.: Laboratory studies of particle nucleation: Initial results for H2SO4, H2O, and NH3 vapors, J. Geophys. Res.-Atmos., 104, 23709–23718, https://doi.org/10.1029/1999JD900411, 1999. 
Battaglia Jr., M. A., Weber, R. J., Nenes, A., and Hennigan, C. J.: Effects of water-soluble organic carbon on aerosol pH, Atmos. Chem. Phys., 19, 14607–14620, https://doi.org/10.5194/acp-19-14607-2019, 2019. 
Benner, W. H., Ogorevc, B., and Novakov, T.: Oxidation of SO2 in thin water films containing NH3, Atmos. Environ. A, 26, 1713–1723, https://doi.org/10.1016/0960-1686(92)90069-W, 1992. 
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This study provided evidence that gas-particle partitioning of ammonia, as opposed to ammonia concentration, plays a critical role in the haze formation. A reduction in ammonia emissions alone may not reduce air pollution effectively, at least at rural agricultural sites in China.
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