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ACP | Articles | Volume 20, issue 8
Atmos. Chem. Phys., 20, 4593–4605, 2020
https://doi.org/10.5194/acp-20-4593-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 20, 4593–4605, 2020
https://doi.org/10.5194/acp-20-4593-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 21 Apr 2020

Research article | 21 Apr 2020

The evolutionary behavior of chromophoric brown carbon during ozone aging of fine particles from biomass burning

Xingjun Fan et al.

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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 Xingjun Fan on behalf of the Authors (08 Mar 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Mar 2020) by Jian Wang
RR by Anonymous Referee #2 (17 Mar 2020)
ED: Publish as is (26 Mar 2020) by Jian Wang
AR by Xingjun Fan on behalf of the Authors (27 Mar 2020)  Author's response    Manuscript
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Short summary
A particle-phase O3 oxidation of biomass burning (BB) smoke particles was conducted to investigate the evolution of brown carbon (BrC) therein. The O3 aging induced the decomposition of chromophores and fluorophores. EEM–PARAFAC showed a predominant decomposition of protein-like substances and a gradual increase proportion of humic-like substances for BB BrC during O3 aging. The dynamic spectral behavior of chromophores and functional groups within BrC was further explored by 2D-COS.
A particle-phase O3 oxidation of biomass burning (BB) smoke particles was conducted to...
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