Activity-composition relations in the systems CoOZnO and NiOZnO at 1050°C

A. Navrotsky, A. Muan

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Activity-composition relations in the systems CoOZnO and NiOZnO at 1050°C were determined by equilibrium of oxide solid solutions with a metal phase and a gas phase of known oxygen pressure, and by equilibration of CoOZnO solid solutions with a presumably ideal (CoZn) Al2O4 solid solution. Both oxide systems show substantial positive deviations from ideality. The free energies of the reaction: MO (zincite) = MO (rocksalt) are estimated to be +5·8, -4·3 and -8·7 kcal/mole for ZnO, CoO, and NiO, respectively.

Original languageEnglish (US)
Pages (from-to)35-47
Number of pages13
JournalJournal of Inorganic and Nuclear Chemistry
Volume33
Issue number1
DOIs
StatePublished - Jan 1971
Externally publishedYes

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