Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Hydrolysis of Uranium Monocarbide and Oxidation Potentials
Yoshio HoriTakashi Mukaibo
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1968 Volume 41 Issue 9 Pages 1983-1989


The hydrolysis of UC with 1 N H2SO4 was carried out in the presence of various oxidants at 80°C. The amount of gaseous products was measured by means of a gas chromatograph; the dissolved, carbon-containing compounds, and the insoluble residues produced in the reaction were analyzed for carbon. Analyses of the uranium and oxidants consumed were also made by volumetric and gravimetric methods. The results may be summarized : (1) The hydrolysis of UC with 1 N H2SO4 proceeds by an electro-chemical mechanism. (2) The hydrolysis products fundamentally depend upon the oxidation potential of the oxidants in the solution. (3) The oxidation potential at which the hydrolysis of UC with 1 N H2SO4 proceeds can be explained in terms of the partial ionic character of UC. (4) The application of this experimental method to other carbides would serve to clarify the chemical reaction and the bond character of the carbides.

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