Articles | Volume 23, issue 13
https://doi.org/10.5194/acp-23-7741-2023
https://doi.org/10.5194/acp-23-7741-2023
Research article
 | 
14 Jul 2023
Research article |  | 14 Jul 2023

A thermodynamic framework for bulk–surface partitioning in finite-volume mixed organic–inorganic aerosol particles and cloud droplets

Ryan Schmedding and Andreas Zuend

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Cited articles

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Short summary
Aerosol particles below 100 nm in diameter have high surface-area-to-volume ratios. The enrichment of compounds in the surface of an aerosol particle may lead to depletion of that species in the interior bulk of the particle. We present a framework for modeling the equilibrium bulk–surface partitioning of mixed organic–inorganic particles, including cases of co-condensation of semivolatile organic compounds and species with extremely limited solubility in the bulk or surface of a particle.
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