Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 16
Articles | Volume 26, issue 16
https://doi.org/10.5194/acp-26-11733-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-11733-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 16
Research article
 | 
19 Aug 2026
Research article |  | 19 Aug 2026

Chromophores and chemical compositions of brown carbon aerosol before and after photooxidation of combustion emissions

Feng Jiang, Jun Zhang, David M. Bell, Kun Li, Nadine Borduas-Dedekind, Andre S. H. Prevot, Hongbiao Cui, Harald Saathoff, and Thomas Leisner

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Short summary
We studied chemical compositions and chromophores of brown carbon aerosol from combustion emission before and after photooxidation using an oxidative flow reactor. The chromophore and chemical composition of brown carbon were determined by excitation-emission spectroscopy and mass spectrometry. This work helps to get a better understanding of evolution process of the chromophores from primary combustion emissions during the real atmospheric transportation.
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