Articles | Volume 17, issue 13
https://doi.org/10.5194/acp-17-8453-2017
https://doi.org/10.5194/acp-17-8453-2017
Research article
 | 
11 Jul 2017
Research article |  | 11 Jul 2017

Diffusivity measurements of volatile organics in levitated viscous aerosol particles

Sandra Bastelberger, Ulrich K. Krieger, Beiping Luo, and Thomas Peter

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Short summary
We present quantitative condensed-phase diffusivity measurements of a volatile organic (tetraethylene glycol) in highly viscous single aerosol particles (aqueous sucrose). The condensed-phase diffusivity exhibits a strong temperature and humidity dependence. Our results suggest that diffusion limitations of volatile organics in highly viscous organic aerosol may severely impact gas–particle partitioning under cold and dry conditions.
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