Articles | Volume 22, issue 2
Atmos. Chem. Phys., 22, 1251–1269, 2022
https://doi.org/10.5194/acp-22-1251-2022

Special issue: Pan-Eurasian Experiment (PEEX) – Part II

Atmos. Chem. Phys., 22, 1251–1269, 2022
https://doi.org/10.5194/acp-22-1251-2022

Research article 25 Jan 2022

Research article | 25 Jan 2022

Influence of organic aerosol molecular composition on particle absorptive properties in autumn Beijing

Jing Cai et al.

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Influence of organic aerosol composition determined by offline FIGAERO-CIMS on particle absorptive properties in autumn Beijing Jing Cai https://doi.org/10.5281/zenodo.5771527

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Short summary
This study investigates the connection between organic aerosol (OA) molecular composition and particle absorptive properties in autumn in Beijing. We find that the molecular properties of OA compounds in different episodes influence particle light absorption properties differently: the light absorption enhancement of black carbon and light absorption coefficient of brown carbon were mostly related to more oxygenated OA (low C number and four O atoms) and aromatics/nitro-aromatics, respectively.
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