Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-993-2024
https://doi.org/10.5194/acp-24-993-2024
Research article
 | 
23 Jan 2024
Research article |  | 23 Jan 2024

A study on the influence of inorganic ions, organic carbon and microstructure on the hygroscopic property of soot

Zhanyu Su, Lanxiadi Chen, Yuan Liu, Peng Zhang, Tianzeng Chen, Biwu Chu, Mingjin Tang, Qingxin Ma, and Hong He

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Short summary
In this study, different soot particles were analyzed to better understand their behavior. It was discovered that water-soluble substances in soot facilitate water adsorption at low humidity while increasing the number of water layers at high humidity. Soot from organic fuels exhibits hygroscopicity influenced by organic carbon and microstructure. Additionally, the presence of sulfate ions due to the oxidation of SO2 enhances soot's hygroscopicity.
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