Articles | Volume 20, issue 4
https://doi.org/10.5194/acp-20-2513-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-2513-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Molecular compositions and optical properties of dissolved brown carbon in biomass burning, coal combustion, and vehicle emission aerosols illuminated by excitation–emission matrix spectroscopy and Fourier transform ion cyclotron resonance mass spectrometry analysis
Jiao Tang
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
University of Chinese Academy of Sciences, Beijing 100049, China
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Tao Su
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
University of Chinese Academy of Sciences, Beijing 100049, China
Yong Han
Department of Environmental Science and Engineering, Fudan University,
Shanghai 200092, China
Yangzhi Mo
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Hongxing Jiang
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
University of Chinese Academy of Sciences, Beijing 100049, China
Min Cui
Department of Environmental Science and Engineering, Fudan University,
Shanghai 200092, China
now at: School of Environmental Science and Engineering,
Yangzhou University, Yangzhou 225127, China
Bin Jiang
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Yingjun Chen
Department of Environmental Science and Engineering, Fudan University,
Shanghai 200092, China
Jianhui Tang
Key Laboratory of Coastal Environmental Processes and Ecological
Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of
Sciences, Yantai 264003, China
Jianzhong Song
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Ping'an Peng
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Gan Zhang
CORRESPONDING AUTHOR
State Key Laboratory of Organic Geochemistry and Guangdong Key
Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
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Short summary
We investigated the light absorption, fluorescence, and molecular composition of dissolved organic carbon from the simulated combustion of biomass and coal and vehicle emissions with UV–vis spectra, EEM-PARAFAC, and FT-ICR MS. We observed high light absorption capacity from source emissions, and fluorescence spectra and molecular structures varied by source. We concluded that an EEM- and molecular-composition-based methodology could be helpful in the source apportionment of atmospheric aerosols.
We investigated the light absorption, fluorescence, and molecular composition of dissolved...
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