Articles | Volume 22, issue 11
https://doi.org/10.5194/acp-22-7619-2022
https://doi.org/10.5194/acp-22-7619-2022
Research article
 | 
13 Jun 2022
Research article |  | 13 Jun 2022

The chemical composition and mixing state of BC-containing particles and the implications on light absorption enhancement

Jiaxing Sun, Yele Sun, Conghui Xie, Weiqi Xu, Chun Chen, Zhe Wang, Lei Li, Xubing Du, Fugui Huang, Yan Li, Zhijie Li, Xiaole Pan, Nan Ma, Wanyun Xu, Pingqing Fu, and Zifa Wang

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Cited articles

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We analyzed the chemical composition and mixing state of BC-containing particles at urban and rural sites in winter in the North China Plain and evaluated their impact on light absorption enhancement. BC was dominantly mixed with organic carbon, nitrate, and sulfate, and the mixing state evolved significantly as a function of relative humidity (RH) at both sites. The absorption enhancement depended strongly on coated secondary inorganic aerosol and was up to ~1.3–1.4 during aging processes.
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