Articles | Volume 20, issue 12
Atmos. Chem. Phys., 20, 7259–7269, 2020
https://doi.org/10.5194/acp-20-7259-2020

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 20, 7259–7269, 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 et al.

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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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Short summary
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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