Articles | Volume 20, issue 3
Atmos. Chem. Phys., 20, 1469–1481, 2020
https://doi.org/10.5194/acp-20-1469-2020
Atmos. Chem. Phys., 20, 1469–1481, 2020
https://doi.org/10.5194/acp-20-1469-2020
Research article
06 Feb 2020
Research article | 06 Feb 2020

High secondary formation of nitrogen-containing organics (NOCs) and its possible link to oxidized organics and ammonium

Guohua Zhang et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Xinhui Bi on behalf of the Authors (24 Oct 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (26 Oct 2019) by Sergey A. Nizkorodov
RR by Anonymous Referee #2 (30 Oct 2019)
RR by Anonymous Referee #1 (05 Nov 2019)
ED: Reconsider after major revisions (05 Nov 2019) by Sergey A. Nizkorodov
AR by Xinhui Bi on behalf of the Authors (29 Nov 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (16 Dec 2019) by Sergey A. Nizkorodov
AR by Xinhui Bi on behalf of the Authors (20 Dec 2019)  Author's response    Manuscript
ED: Publish as is (11 Jan 2020) by Sergey A. Nizkorodov
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Short summary
Seasonal atmospheric processing of NOCs was investigated using single-particle mass spectrometry in urban Guangzhou. The abundance of NOCs was found to be strongly enhanced by internal mixing with photochemically produced secondary oxidized organics. A multiple linear regression analysis and a positive matrix factorization analysis were performed to predict the relative abundance of NOCs. More than 70 % of observed NOCs could be well explained by oxidized organics and ammonium.
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