Articles | Volume 18, issue 3
Atmos. Chem. Phys., 18, 1643–1652, 2018
https://doi.org/10.5194/acp-18-1643-2018
Atmos. Chem. Phys., 18, 1643–1652, 2018
https://doi.org/10.5194/acp-18-1643-2018

Research article 06 Feb 2018

Research article | 06 Feb 2018

Effect of relative humidity on the composition of secondary organic aerosol from the oxidation of toluene

Mallory L. Hinks et al.

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AR by Sergey A. Nizkorodov on behalf of the Authors (26 Dec 2017)  Author's response
ED: Publish subject to technical corrections (03 Jan 2018) by Joachim Curtius
AR by Sergey A. Nizkorodov on behalf of the Authors (06 Jan 2018)  Author's response    Manuscript
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Short summary
We have observed a strong effect of relative humidity on the composition of particulate matter produced from the oxidation of toluene in clean air. At higher relative humidity, there was a significant reduction in the fraction of high-molecular-weight compounds present in the particles. The amount of particulate matter also decreased at higher relative humidity. The main implication of this study is that water vapor participates in the photooxidation of toluene in a complicated way.
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