Characteristics and mixing state of amine-containing particles at a rural site in the Pearl River Delta, China

Cheng, Chunlei; Huang, Zuzhao; Chan, Chak K.; Chu, Yangxi; Li, Mei; Zhang, Tao; Ou, Yubo; Chen, Duohong; Cheng, Peng; Li, Lei; Gao, Wei; Huang, Zhengxu; Huang, Bo; Fu, Zhong; Zhou, Zhen

doi:https://doi.org/10.5194/acp-18-9147-2018

Articles | Volume 18, issue 12

https://doi.org/10.5194/acp-18-9147-2018

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

Special issue:

Multiphase chemistry of secondary aerosol formation under...

https://doi.org/10.5194/acp-18-9147-2018

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

Articles | Volume 18, issue 12

Research article

|

29 Jun 2018

Research article |

| 29 Jun 2018

Characteristics and mixing state of amine-containing particles at a rural site in the Pearl River Delta, China

Chunlei Cheng, Zuzhao Huang, Chak K. Chan, Yangxi Chu, Mei Li, Tao Zhang, Yubo Ou, Duohong Chen, Peng Cheng, Lei Li, Wei Gao, Zhengxu Huang, Bo Huang, Zhong Fu, and Zhen Zhou

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Preprint (discussion started on 30 Jan 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 comments for acp-2018-53', Anonymous Referee #1, 04 Feb 2018
- AC1: 'Response letter--RC1_0522', Mei Li, 22 May 2018
RC2: 'Comments', Anonymous Referee #2, 25 Feb 2018
- AC2: 'Response letter--RC2_0522', Mei Li, 22 May 2018
RC3: 'Reviewer comment for Cheng et al., 2018', Anonymous Referee #3, 26 Feb 2018
- AC3: 'Response letter--RC3_0522', Mei Li, 22 May 2018

Peer-review completion

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

AR by Lorena Grabowski on behalf of the Authors (29 May 2018) Author's response

ED: Referee Nomination & Report Request started (02 Jun 2018) by Daniel Knopf

RR by Anonymous Referee #2 (02 Jun 2018)

RR by Anonymous Referee #3 (10 Jun 2018)

ED: Publish subject to minor revisions (review by editor) (10 Jun 2018) by Daniel Knopf

AR by Mei Li on behalf of the Authors (17 Jun 2018) Author's response Manuscript

ED: Publish as is (20 Jun 2018) by Daniel Knopf

AR by Mei Li on behalf of the Authors (21 Jun 2018) Author's response Manuscript

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Short summary

Particulate amines play an important role for the particle acidity and hygroscopicity. We found amines were internally mixed with sulfate and nitrate at a rural site in the PRD, China, suggesting the formation of aminium sulfate and nitrate salts. The ammonium-poor state of amine particles in summer was associated with the low emission sources of ammonia and a possible contribution of ammonium–amine exchange reactions. Amines could be a buffer for the particle acidity of ammonium-poor particles.