Articles | Volume 19, issue 23
Atmos. Chem. Phys., 19, 15007–15021, 2019
https://doi.org/10.5194/acp-19-15007-2019
Atmos. Chem. Phys., 19, 15007–15021, 2019
https://doi.org/10.5194/acp-19-15007-2019
Research article
11 Dec 2019
Research article | 11 Dec 2019

Secondary organic aerosol formation from OH-initiated oxidation of m-xylene: effects of relative humidity on yield and chemical composition

Qun Zhang et al.

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Latest update: 27 Nov 2022
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Short summary
The negative effects of relative humidity (RH) on secondary organic aerosol (SOA) formation from m-xylene under low NOx conditions were observed. The mechanisms of the RH effects of SOA yields have been sufficiently discussed. The decrease of SOA formation at high RH may be mainly attributed to the suppression of oligomers and the further particle-phase reaction of highly oxygenated organic molecules. The faster wall loss of SOA precursors at higher RH may also influence the SOA yield.
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