Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate

Wang, Xiaowei; Jing, Bo; Tan, Fang; Ma, Jiabi; Zhang, Yunhong; Ge, Maofa

doi:https://doi.org/10.5194/acp-17-12797-2017

Articles | Volume 17, issue 20

https://doi.org/10.5194/acp-17-12797-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-12797-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 20

Research article

|

27 Oct 2017

Research article |

| 27 Oct 2017

Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate

Xiaowei Wang, Bo Jing, Fang Tan, Jiabi Ma, Yunhong Zhang, and Maofa Ge

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Final revised paper (published on 27 Oct 2017)
Preprint (discussion started on 29 May 2017)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of "Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate"', Anonymous Referee #1, 12 Jun 2017
- AC1: 'Response to Referee #1', Maofa Ge, 04 Sep 2017
RC2: 'Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate by Wang et al.', Anonymous Referee #2, 13 Jun 2017
- AC2: 'Response to Referee #2', Maofa Ge, 04 Sep 2017
RC3: 'Review of " Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate" by Xiaowei Wang et al.', Anonymous Referee #3, 26 Jun 2017
- AC3: 'Response to Referee #3', Maofa Ge, 04 Sep 2017

Peer-review completion

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

AR by Maofa Ge on behalf of the Authors (04 Sep 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (05 Sep 2017) by Markus Petters

RR by Anonymous Referee #1 (22 Sep 2017)

ED: Publish subject to technical corrections (26 Sep 2017) by Markus Petters

AR by Maofa Ge on behalf of the Authors (27 Sep 2017) Manuscript

Short summary

Our results reveal the formation of NH₄HC₂O₄ and NH₄HSO₄ from the reaction of oxalic acid (OA) with ammonium sulfate within aerosols during the slow dehydration compared to the rapid dehydration process. The hygroscopic growth of mixed particles at high RH upon hydration is substantially lower than that of the corresponding dehydration process due to the significant formation of low hygroscopic NH₄HC₂O₄ and residual OA. These findings have important implications for atmospheric chemistry.