Table 5. Assessed Temperature Dependences of Gibbs Energy Changes (J/mol) for Formation of the Equilibrium Solid Phases in This Work.
phase | A | B | C | temperature range (K) |
---|---|---|---|---|
CaSO4·2H2O | –59 567.2 | 1287.94 | –206.522 | 273.15–368.15 |
CaSO4 | –75 436.6 | 1898.65 | –303.855 | 273.15–473.15 |
CaSO4·0.5H2O | –56 468.74 | 1518.79 | –246.924 | 273.15–473.15 |