Activity Coefficient Model: Wilson

The model is described in: G.M. Wilson, J. Am. Chem. Soc., 1964, 86, 127.

GEX/(R×T) = -x1×ln(x1 + a2×x2) - x2×ln(x2 + a1×x1)

Parameters determined in TDE are a1 and a2.

For the symmetric form of the model, a1 = a2.

Temperature dependencies for activity-coefficient model parameters are expressed with: TDE-TSeries1.

Details of the model implementation in TDE, including ThermoML-Equation representation are available. (See the ThermoML web site for details of this IUPAC communication standard.)