Thermodynamic investigation of trisodium uranium(V) oxide (Na 3UO 4) I. Preparation and enthalpy of formation

Trisodium uranium(V) oxide was prepared by the reaction between UO 2 and Na 2O in liquid sodium. The sample was thoroughly characterized by means of chemical, X-ray, and metallographic analyses. Based on a solution calorimetric study, the enthalpy of formation, ΔH f o(Na 3UO 4,c,298.15K), was found...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 1972-05, Vol.4 (3), p.401-409
Main Authors: O'Hare, P.A.G, Shinn, W.A, Mrazek, F.C, Martin, A.E
Format: Article
Language:English
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Summary:Trisodium uranium(V) oxide was prepared by the reaction between UO 2 and Na 2O in liquid sodium. The sample was thoroughly characterized by means of chemical, X-ray, and metallographic analyses. Based on a solution calorimetric study, the enthalpy of formation, ΔH f o(Na 3UO 4,c,298.15K), was found to be −(477.7 ± 0.9) kcal th mol −1.
ISSN:0021-9614
1096-3626
DOI:10.1016/0021-9614(72)90023-7