Articles | Volume 20, issue 7
https://doi.org/10.5194/acp-20-4477-2020
https://doi.org/10.5194/acp-20-4477-2020
Research article
 | 
17 Apr 2020
Research article |  | 17 Apr 2020

Effects of SO2 on optical properties of secondary organic aerosol generated from photooxidation of toluene under different relative humidity conditions

Wenyu Zhang, Weigang Wang, Junling Li, Chao Peng, Kun Li, Li Zhou, Bo Shi, Yan Chen, Mingyuan Liu, and Maofa Ge

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Latest update: 02 Mar 2024
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Short summary
We investigated the effect of SO2 under different humidities on optical properties of toluene-derived SOA under four conditions with CRDs and PAX at 532 and 375 nm, respectively. Our results showed that SO2 under different humidities can change the refractive complex index of toluene SOA by influencing the multiphase processes and altering the aerosol chemical compositions. Different atmospheric conditions could affect the properties of toluene SOA, as well as the global radiative balance.
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