Articles | Volume 20, issue 6
https://doi.org/10.5194/acp-20-3999-2020
https://doi.org/10.5194/acp-20-3999-2020
Research article
 | 
02 Apr 2020
Research article |  | 02 Apr 2020

Heterogeneous formation of particulate nitrate under ammonium-rich regimes during the high-PM2.5 events in Nanjing, China

Yu-Chi Lin, Yan-Lin Zhang, Mei-Yi Fan, and Mengying Bao

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Yu-Chi Lin on behalf of the Authors (22 Dec 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Jan 2020) by Maria Cristina Facchini
RR by Anonymous Referee #3 (19 Feb 2020)
ED: Publish as is (19 Feb 2020) by Maria Cristina Facchini
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Short summary
(1) Nitrate was a dominant contributing species in water-soluble inorganic ions during the high PM2.5 events in Nanjing. (2) Nitrate aerosols in Nanjing during the PM2.5 events were mainly produced by hydrolysis of N2O5 in preexisting aerosols under ammonium-rich regimes. (3) Control in NOx emissions would inhibit production of nitrate aerosols since NH4NO3 formation was HNO3 limited in Nanjing.
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