Measurements of higher alkanes using NO<sup>+</sup> chemical  ionization in PTR-ToF-MS: important contributions  of higher alkanes to secondary organic aerosols in China

Wang, Chaomin; Yuan, Bin; Wu, Caihong; Wang, Sihang; Qi, Jipeng; Wang, Baolin; Wang, Zelong; Hu, Weiwei; Chen, Wei; Ye, Chenshuo; Wang, Wenjie; Sun, Yele; Wang, Chen; Huang, Shan; Song, Wei; Wang, Xinming; Yang, Suxia; Zhang, Shenyang; Xu, Wanyun; Ma, Nan; Zhang, Zhanyi; Jiang, Bin; Su, Hang; Cheng, Yafang; Wang, Xuemei; Shao, Min

doi:https://doi.org/10.5194/acp-20-14123-2020

Articles | Volume 20, issue 22

https://doi.org/10.5194/acp-20-14123-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-14123-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 22

Research article

|

20 Nov 2020

Research article |

| 20 Nov 2020

Measurements of higher alkanes using NO⁺ chemical ionization in PTR-ToF-MS: important contributions of higher alkanes to secondary organic aerosols in China

Chaomin Wang, Bin Yuan, Caihong Wu, Sihang Wang, Jipeng Qi, Baolin Wang, Zelong Wang, Weiwei Hu, Wei Chen, Chenshuo Ye, Wenjie Wang, Yele Sun, Chen Wang, Shan Huang, Wei Song, Xinming Wang, Suxia Yang, Shenyang Zhang, Wanyun Xu, Nan Ma, Zhanyi Zhang, Bin Jiang, Hang Su, Yafang Cheng, Xuemei Wang, and Min Shao

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Final revised paper (published on 20 Nov 2020)
Supplement to the final revised paper
Preprint (discussion started on 30 Mar 2020)
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Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of acp-2020-145', Anonymous Referee #1, 21 Apr 2020
- AC1: 'Response to Referee #1', Bin Yuan, 20 Aug 2020
RC2: 'Review of Wang et al', Anonymous Referee #2, 11 May 2020
- AC2: 'Response to Referee #2', Bin Yuan, 20 Aug 2020
RC3: 'Reviewer 3 comments', Anonymous Referee #3, 15 May 2020
- AC3: 'Response to Referee #3', Bin Yuan, 20 Aug 2020
RC4: 'Review of Wang et al. 2020', Anonymous Referee #4, 29 May 2020
- AC4: 'Response to Referee #4', Bin Yuan, 20 Aug 2020
RC5: 'Reveiw of Wang et al.', Anonymous Referee #5, 31 May 2020
- AC5: 'Response to Referee #5', Bin Yuan, 20 Aug 2020

Peer-review completion

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

AR by Bin Yuan on behalf of the Authors (20 Aug 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (24 Aug 2020) by Jason Surratt

RR by Anonymous Referee #3 (26 Aug 2020)

RR by Anonymous Referee #2 (07 Sep 2020)

ED: Publish subject to minor revisions (review by editor) (07 Sep 2020) by Jason Surratt

AR by Bin Yuan on behalf of the Authors (17 Sep 2020) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (05 Oct 2020) by Jason Surratt

AR by Bin Yuan on behalf of the Authors (07 Oct 2020) Author's response Manuscript

ED: Publish as is (12 Oct 2020) by Jason Surratt

AR by Bin Yuan on behalf of the Authors (12 Oct 2020)

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Short summary

We utilized a novel online mass spectrometry method to measure the total concentration of higher alkanes at each carbon number at two different sites in China, allowing us to take into account SOA contributions from all isomers for higher alkanes. We found that higher alkanes account for significant fractions of SOA formation at the two sites. The contributions are comparable to or even higher than single-ring aromatics, the most-recognized SOA precursors in urban air.

Measurements of higher alkanes using NO+ chemical ionization in PTR-ToF-MS: important contributions of higher alkanes to secondary organic aerosols in China

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Interactive discussion

Peer-review completion

Measurements of higher alkanes using NO⁺ chemical ionization in PTR-ToF-MS: important contributions of higher alkanes to secondary organic aerosols in China