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The enthalpy of oxidation of SrFe1-xCoxO3-d with x=0.33 and 0.67 has been determined by adiabatic calorimetry; average values for x=0.33 and 0.67 are -67±11 and -49.5±9 kJ (mol O2)-1. These data and the previously reported value for SrFeO3-d suggest that the enthalpy of oxidation for pure (perovskite-type) SrCoO3-d is close to zero. Earlier reported composition - partial pressure data for SrFe0.67Co0.33O3-d are reproduced when preferential oxidation of iron is assumed for low partial pressures of oxygen.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
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