Articles | Volume 17, issue 3
Atmos. Chem. Phys., 17, 2423–2435, 2017
https://doi.org/10.5194/acp-17-2423-2017
Atmos. Chem. Phys., 17, 2423–2435, 2017
https://doi.org/10.5194/acp-17-2423-2017

Research article 15 Feb 2017

Research article | 15 Feb 2017

Diffusion coefficients of organic molecules in sucrose–water solutions and comparison with Stokes–Einstein predictions

Yuri Chenyakin et al.

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AR by Allan Bertram on behalf of the Authors (30 Dec 2016)  Author's response    Manuscript
ED: Publish as is (16 Jan 2017) by David Topping
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Short summary
Viscosity measurements, along with the Stokes–Einstein relation, have been used to estimate the diffusion rates of organics within SOA particles. To test the Stokes–Einstein relation, we measured the diffusion coefficients of three fluorescent organic dyes within sucrose–water solutions with varying water activity. The diffusion coefficients were measured using fluorescence recovery after photobleaching. The results should be useful for predicting the diffusion of organics with SOA particles.
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