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ACP | Articles | Volume 19, issue 5
Atmos. Chem. Phys., 19, 2833–2844, 2019
https://doi.org/10.5194/acp-19-2833-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

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

Atmos. Chem. Phys., 19, 2833–2844, 2019
https://doi.org/10.5194/acp-19-2833-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 04 Mar 2019

Research article | 04 Mar 2019

Understanding the catalytic role of oxalic acid in SO3 hydration to form H2SO4 in the atmosphere

Guochun Lv et al.
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Arquero, K. D., Xu, J., Gerber, R. B., and Finlayson-Pitts, B. J.: Particle formation and growth from oxalic acid, methanesulfonic acid, trimethylamine and water: a combined experimental and theoretical study, Phys. Chem. Chem. Phys., 19, 28286–28301, https://doi.org/10.1039/C7CP04468B, 2017. 
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The hydration of SO3 to produce H2SO4 is an important process in the atmosphere. Using quantum chemical calculations, we investigated the catalytic role of oxalic acid in the SO3 hydration reaction. The results show that oxalic acid is effective in facilitating the hydration of SO3 to form H2SO4. The kinetic analysis result indicates that the oxalic-acid-catalyzed SO3 hydration can play an important role in the upper troposphere.
The hydration of SO3 to produce H2SO4 is an important process in the atmosphere. Using quantum...
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