Articles | Volume 16, issue 3
Atmos. Chem. Phys., 16, 1837–1848, 2016
https://doi.org/10.5194/acp-16-1837-2016
Atmos. Chem. Phys., 16, 1837–1848, 2016
https://doi.org/10.5194/acp-16-1837-2016

Research article 17 Feb 2016

Research article | 17 Feb 2016

Organic peroxides' gas-particle partitioning and rapid heterogeneous decomposition on secondary organic aerosol

Huan Li et al.

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Short summary
The formation, gas-particle partitioning, and evolution of atmospheric organic peroxides are unclear. We investigated the ozonolysis of α-pinene, and focused on peroxides. We found that gas-particle partitioning coefficients of peroxides are much higher than the values from our theoretical prediction, and some gaseous peroxides undergo rapid heterogeneous decomposition on SOA particles in the presence of water vapor, resulting in the additional production of hydrogen peroxide.
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