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Uptake coefficient of charged aerosols—implications for atmospheric chemistry
Author(s) -
Aikin Arthur C.,
Pesnell W. Dean
Publication year - 1998
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/98gl00934
Subject(s) - radius , particle (ecology) , square (algebra) , ion , charged particle , charge (physics) , atmospheric chemistry , surface charge , aerosol , chemical physics , solvent , chemistry , analytical chemistry (journal) , materials science , physics , chromatography , organic chemistry , geometry , geology , oceanography , computer security , mathematics , quantum mechanics , computer science , ozone
Gas uptake onto liquid particles is influenced by the electrical charge on the particle. This charge rearranges the spatial distribution of the dissolved reactant ions, modifying the solute‐solvent reaction at the surface and for some distance into the liquid. This results in a modification of the uptake coefficient. A general expression, applicable to laboratory and atmospheric conditions, is presented. The change in the uptake coefficient is proportional to particle charge and the square of the Debye length within the liquid. It is inversely proportional to the square of the particle radius.