Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
Articles | Volume 21, issue 9
Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 6647–6661, 2021
https://doi.org/10.5194/acp-21-6647-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 21, 6647–6661, 2021
https://doi.org/10.5194/acp-21-6647-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 9

Research article 04 May 2021

Research article | 04 May 2021

Heterogeneous interactions between SO2 and organic peroxides in submicron aerosol

Shunyao Wang et al.

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Latest update: 19 Sep 2021
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Short summary
Discrepancies between atmospheric modeling and field observations, especially in highly polluted cities, have highlighted the lack of understanding of sulfate formation mechanisms and kinetics. Here, we directly quantify the reactive uptake coefficient of SO2 onto organic peroxides and study the important governing factors. The SO2 uptake rate was observed to depend on RH, peroxide amount and reactivity, pH, and ionic strength, which provides a framework to better predict sulfate formation.
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