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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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ACP | Articles | Volume 20, issue 2
Atmos. Chem. Phys., 20, 1183–1199, 2020
https://doi.org/10.5194/acp-20-1183-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 1183–1199, 2020
https://doi.org/10.5194/acp-20-1183-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 31 Jan 2020

Research article | 31 Jan 2020

Peroxy radical chemistry and the volatility basis set

Meredith Schervish and Neil M. Donahue

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Meredith Schervish on behalf of the Authors (28 Nov 2019)  Author's response    Manuscript
ED: Publish as is (11 Dec 2019) by Dwayne Heard
Publications Copernicus
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Short summary
Gas-phase autoxidation of organics can generate highly oxygenated organic molecules (HOMs) and thus increase secondary organic aerosol production and enable new-particle formation. Here we explicitly represent the generation of HOMs via peroxy radical chemistry and resolve the products based on volatility and O : C. Using experimentally constrained assumptions about autoxidation and dimerization reactions, we see suppression of HOM formation under low-temperature and high-NOx conditions.
Gas-phase autoxidation of organics can generate highly oxygenated organic molecules (HOMs) and...
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