Articles | Volume 22, issue 2
Atmos. Chem. Phys., 22, 917–928, 2022
https://doi.org/10.5194/acp-22-917-2022
Atmos. Chem. Phys., 22, 917–928, 2022
https://doi.org/10.5194/acp-22-917-2022

Research article 19 Jan 2022

Research article | 19 Jan 2022

Secondary organic aerosol formation from the oxidation of decamethylcyclopentasiloxane at atmospherically relevant OH concentrations

Sophia M. Charan et al.

Data sets

Experiment Set: D5 Chamber Experiments S. M. Charan https://icarus.ucdavis.edu/experimentset/220

Experiment Set: D5 CPOT Experiments S. M. Charan and Y. Huang https://icarus.ucdavis.edu/experimentset/221

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Short summary
In this study, we investigate the secondary organic aerosol formation potential of decamethylcyclopentasiloxane (D5), which is used as a tracer for volatile chemical products and measured in high concentrations both outdoors and indoors. By performing experiments in different types of reactors, we find that D5’s aerosol formation is highly dependent on OH, and, at low OH concentrations or exposures, D5 forms little aerosol. We also reconcile results from other studies.
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