Thermochemistry of iron manganese oxide spinels

Oxide melt solution calorimetry has been performed on iron manganese oxide spinels prepared at high temperature. The enthalpy of formation of (Mn x Fe 1− x ) 3O 4 at 298 K from the oxides, tetragonal Mn 3O 4 (hausmannite) and cubic Fe 3O 4 (magnetite), is negative from x = 0 to x = 0.67 and becomes...

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Veröffentlicht in:	Journal of solid state chemistry 2005-01, Vol.178 (1), p.106-113
Hauptverfasser:	Guillemet-Fritsch, Sophie, Navrotsky, Alexandra, Tailhades, Philippe, Coradin, Hervé, Wang, Miaojun
Format:	Artikel
Sprache:	eng
Schlagworte:	CALORIMETRY Chemical Sciences Chemical thermodynamics Chemistry CUBIC LATTICES Enthalpies of combustion, reaction, and formation ENTROPY Exact sciences and technology FORMATION FREE ENTHALPY FORMATION HEAT General and physical chemistry Heat of formation INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IRON OXIDES MAGNETITE MANGANESE OXIDES Material chemistry Oxide melt SPINELS Thermodynamic properties
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