Articles | Volume 18, issue 8
https://doi.org/10.5194/acp-18-5677-2018
https://doi.org/10.5194/acp-18-5677-2018
Research article
 | 
24 Apr 2018
Research article |  | 24 Apr 2018

Comparison of secondary organic aerosol formation from toluene on initially wet and dry ammonium sulfate particles at moderate relative humidity

Tengyu Liu, Dan Dan Huang, Zijun Li, Qianyun Liu, ManNin Chan, and Chak K. Chan

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Latest update: 27 Mar 2024
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Short summary
The formation of SOA from toluene on initially dry and wet AS seeds was compared using an OFR at an RH of 68 %. We found that, as OH exposure increased, the SOA yield and ALW of the initially dry seeds approached those of the initially wet seeds while the wet seeds yielded SOA of a higher degree of oxidation at all exposure levels. Our results suggest that AS dry seeds soon at least partially deliquesce during SOA formation; more studies on the interplay of SOA formation and ALW are warranted.
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