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

Hinks, Mallory L.; Montoya-Aguilera, Julia; Ellison, Lucas; Lin, Peng; Laskin, Alexander; Laskin, Julia; Shiraiwa, Manabu; Dabdub, Donald; Nizkorodov, Sergey A.

doi:https://doi.org/10.5194/acp-18-1643-2018

Articles | Volume 18, issue 3

https://doi.org/10.5194/acp-18-1643-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-1643-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 3

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, Julia Montoya-Aguilera, Lucas Ellison, Peng Lin, Alexander Laskin, Julia Laskin, Manabu Shiraiwa, Donald Dabdub, and Sergey A. Nizkorodov

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Final revised paper (published on 06 Feb 2018)
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Preprint (discussion started on 27 Jul 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Hinks et al.: “Effect of Relative Humidity on the Composition of Secondary Organic Aerosol from Oxidation of Toluene”', Anonymous Referee #1, 21 Sep 2017
- AC1: 'Response to Reviewer 1', Sergey A. Nizkorodov, 26 Dec 2017
RC2: 'Review of ACP-2017-607', Anonymous Referee #2, 22 Sep 2017
- AC2: 'Response to Reviewer 2', Sergey A. Nizkorodov, 26 Dec 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

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.