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Published January 1993 | public
Journal Article

Atmospheric Gas-Aerosol Equilibrium I. Thermodynamic Model


A rigorous and computationally efficient thermodynamic model that estimates the state and composition of atmospheric inorganic species between the gas and aerosol phases is presented. The estimation of important thermodynamic properties, equilibrium constants, ionic activity coefficients, water activity, and deliquescence points is described. Various sources and estimation methods for inorganic gas-liquid-solid equilibrium properties are compared and optimal approaches for the new equilibrium routine are incorporated.

Additional Information

This work was supported by the Electric Power Research Institute under agreement RP3189-03.

Additional details

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October 25, 2023