Pownceby, MarkO'Neill, Hugh2015-12-130010-7999http://hdl.handle.net/1885/90107Activities of CoO in (Co,Mn)O solid solutions in contact with metallic Co have been determined on ten compositions ranging from 0.12 to 0.84 X(CoO) in order to calibrate the divariant equilibrium between (Co,Mn)O oxide solutions and Co metal as an oxygenKeywords: high temperature; oxide; redox conditions; solid solution; thermodynamicsThermodynamic data from redox reactions at high temperatures. VI. Thermodynamic properties of CoO-MnO solid solutions from emf measurements20002015-12-12