Thermodynamic Properties of Cerium Oxalate and Cerium Oxide

Differential scanning calorimetry and thermogravimetry were used to determine the thermodynamic properties of cerium oxalate. Hydrated cerium oxalate was found to contain 13 molecules of water and decomposed producing three thermal events corresponding to the loss of adsorbed water, water of hydrati...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1985-08, Vol.68 (8), p.C-206-C-207
Main Authors: GALLAGHER, SARAH ANN, DWORZAK, WOLFGANG RUDOLPH
Format: Article
Language:English
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Summary:Differential scanning calorimetry and thermogravimetry were used to determine the thermodynamic properties of cerium oxalate. Hydrated cerium oxalate was found to contain 13 molecules of water and decomposed producing three thermal events corresponding to the loss of adsorbed water, water of hydration, and decomposition of anhydrous cerium oxalate to cerium oxide. Anhydrous cerium oxalate obeyed first‐order reaction kinetics where ‐In(1‐a)=kt. Reaction rates, heat capacities, and equations for the heat capacities are given.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1985.tb10185.x