The heats of solution in a lead-cadmium-borate melt at 697° of α-alumina, magnesium oxide, and of several synthesized samples of magnesium-aluminum spinel have been determined. From the heats of solution the enthalpy of formation of MgAl2O4, from the component oxides at 697°, was found to be -8.7 ± 0.3 kcal./mole.
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Inorganic Chemistry