Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 2179–2190, 2021
https://doi.org/10.5194/acp-21-2179-2021
Atmos. Chem. Phys., 21, 2179–2190, 2021
https://doi.org/10.5194/acp-21-2179-2021

Research article 15 Feb 2021

Research article | 15 Feb 2021

Effect of mixing structure on the water uptake of mixtures of ammonium sulfate and phthalic acid particles

Weigang Wang et al.

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Cited articles

Abo Riziq, A., Erlick, C., Dinar, E., and Rudich, Y.: Optical properties of absorbing and non-absorbing aerosols retrieved by cavity ring down (CRD) spectroscopy, Atmos. Chem. Phys., 7, 1523–1536, https://doi.org/10.5194/acp-7-1523-2007, 2007. 
Abo Riziq, A., Trainic, M., Erlick, C., Segre, E., and Rudich, Y.: Extinction efficiencies of coated absorbing aerosols measured by cavity ring down aerosol spectrometry, Atmos. Chem. Phys., 8, 1823–1833, https://doi.org/10.5194/acp-8-1823-2008, 2008. 
Ansari, A. S. and Pandis, S. N.: Water Absorption by Secondary Organic Aerosol and Its Effect on Inorganic Aerosol Behavior, Environ. Sci. Technol., 34, 71–77, 2000. 
Bertram, A. K., Martin, S. T., Hanna, S. J., Smith, M. L., Bodsworth, A., Chen, Q., Kuwata, M., Liu, A., You, Y., and Zorn, S. R.: Predicting the relative humidities of liquid-liquid phase separation, efflorescence, and deliquescence of mixed particles of ammonium sulfate, organic material, and water using the organic-to-sulfate mass ratio of the particle and the oxygen-to-carbon elemental ratio of the organic component, Atmos. Chem. Phys., 11, 10995–11006, https://doi.org/10.5194/acp-11-10995-2011, 2011. 
Brooks, S. D., DeMott, P. J., and Kreidenweis, S. M.: Water uptake by particles containing humic materials and mixtures of humic materials with ammonium sulfate, Atmos. Environ., 38, 1859–1868, 2004. 
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Short summary
Aerosol mixing state regulates the interactions between water molecules and particles and thus controls aerosol activation and hygroscopic growth, which thereby influences visibility degradation, cloud formation, and its radiative forcing. However, there are few studies attempting to investigate their interactions with water molecules. Here, we investigated the effect of organic coatings on the hygroscopic behavior of the inorganic core.
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