Thermodynamic stability of barium zirconates

  • Deo B
  • Kachhawaha J
  • Tare V
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Abstract

The standard free energy of formation of BaO·ZrO2prepared by solid state reaction at elevated temperatures was determined in the temperature range 937 K to 1150 K using barium fluoride as solid electrolyte and barium hexa ferrite as the reference electrode. The data obtained are represented by the equation.ΔGBaO·ZrO2= -105164 + 49.37T (±340J). where ΔGBaO·ZrO2is the free energy of formation of BaO·ZrO2from BaO and ZrO2. © 1976.

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Authors

  • Brahma Deo

  • J. S. Kachhawaha

  • V. B. Tare

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