Diffusion and reactivity in ultraviscous aerosol and the correlation with particle viscosity.

ABSTRACT: The slow transport of water, organic species and oxidants in viscous aerosol can lead to aerosol existing in transient states that are not solely governed by thermodynamic principles but by the kinetics of gas-particle partitioning. The relationship between molecular diffusion constants and particle viscosity (for example, as reflected in the Stokes-Einstein equation) is frequently considered to provide an approximate guide to relate the kinetics of aerosol transformation with a material property of the aerosol. We report direct studies of both molecular diffusion and viscosity in the aerosol phase for the ternary system water/maleic acid/sucrose, considering the relationship between the hygroscopic response associated with the change in water partitioning, the volatilisation of maleic aci

SUBMITTER: Marshall FH 

PROVIDER: S-EPMC5975831 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature