The ternary EOS derived from the third transform A´´(T,V,µ2,µ3,N1) to give
Here, (V / N1) represents the total volume of the mixture per mole of ethylene. As usual, the min/max occurs along the yellow-red spinodal boundary.
The temperature range covered in this drawing is very small (0.26 degrees for Tc = 100). The narrow range is the result of computational difficulties encountered (nonconvergence, etc.) during the data-generation step. For almost all of the drawings shown in this collection, producing the data required implicit solution of sets of highly nonlinear equations. Future refinements should enable us to obtain solutions (and therefore visualizations) over wider ranges of the properties.