High-molecular-weight esters in <i>α</i>-pinene ozonolysis secondary organic aerosol: structural characterization and mechanistic proposal for their formation from highly oxygenated molecules

Kahnt, Ariane; Vermeylen, Reinhilde; Iinuma, Yoshiteru; Safi Shalamzari, Mohammad; Maenhaut, Willy; Claeys, Magda

doi:https://doi.org/10.5194/acp-18-8453-2018

Articles | Volume 18, issue 11

https://doi.org/10.5194/acp-18-8453-2018

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

https://doi.org/10.5194/acp-18-8453-2018

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

Articles | Volume 18, issue 11

Research article

|

15 Jun 2018

Research article |

| 15 Jun 2018

High-molecular-weight esters in α-pinene ozonolysis secondary organic aerosol: structural characterization and mechanistic proposal for their formation from highly oxygenated molecules

Ariane Kahnt, Reinhilde Vermeylen, Yoshiteru Iinuma, Mohammad Safi Shalamzari, Willy Maenhaut, and Magda Claeys

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Final revised paper (published on 15 Jun 2018)
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Preprint (discussion started on 05 Feb 2018)
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Interactive discussion

Status: closed

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

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RC1: 'Referee comment', Anonymous Referee #1, 09 Mar 2018
- AC1: 'Responses to reviewer 1', Magda Claeys, 23 May 2018
RC2: 'Comments on "High-molecular-weight esters in α-pinene ozonolysis secondary organic aerosol: Structural characterization and mechanistic proposal for their formation from highly oxygenated molecules"', Anonymous Referee #2, 05 Apr 2018
- AC2: 'Responses to reviewer 2', Magda Claeys, 23 May 2018

Peer-review completion

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

AR by Magda Claeys on behalf of the Authors (28 May 2018) Author's response Manuscript

ED: Publish as is (05 Jun 2018) by Alexander Laskin

AR by Magda Claeys on behalf of the Authors (07 Jun 2018)

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Short summary

High-molecular-weight esters present in α-pinene ozonolysis secondary organic aerosol have been structurally characterized with electrospray ionization mass spectrometry. Unambiguous evidence could be obtained for the linkage in the MW 368 hydroxypinonyl ester of pinic acid, while the same linkage could be supported for the MW 358 diaterpenylic ester of pinic acid. A mechanistic proposal is presented to explain their possible formation from highly oxygenated molecules reported in previous work.