上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY Usage of phase diagrams 4 Weigbi Fercent Codmium 40 4 0 To figure out the activity data 20 When two phases are at equilibrium, the chemical potential of each components are equal 4m(sln)=川o 100 La:(sIn)=+RTIn am=Ls)+RT'In a △G=40-山ao T→Tm △G=△Hm-T△Sm=△Hm(1- Solid->liquid m
Usage of phase diagrams 4 To figure out the activity data When two phases are at equilibrium, the chemical potential of each components are equal
上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY Ternary Diagrams Ternary 3D A series of isothermal sections,stacked up vertically Gibbs triangle Lines of constant A content are parallel to the line connecting the points representing pure B and pure C All the combinations of D and E fall on the line between two The lever rule applied to these system
Ternary Diagrams