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A PROCESS FOR CONTROLLING INSOLUBLE URANIUM IN ORE CONCENTRATES I. LABORATORY INVESTIGATION

Description: A process has been developed for converting nitricacid-insoluble uranium in ore concentrates into soluble form. Ore concentrates are treated with a reducing agent such ss carbon monoxide or hydrogen at temperatures or 670 to 730 C. In the laboratory, retention times nsoluble uranium vary inversely with the concentration or the reducing agent. Laboratory studies leading to the development of the process are reported. (auth)
Date: February 1, 1959
Creator: Lang, G.P.; Nelson, E.N. & Kuhlman, C.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Some Physical and Chemical Properties of Scandium and the Rare Earths

Description: Conductances, densities, partial molal volumes, solubilities, and transference numbers were measured for scandium chloride, nitrate, and perchlorate. The stability constants of the chelates formed by the rare earths and scandium with ME(l,2-bis- STA2-di(carboxymethyl)aminoethoxy!ethane) and DE(2,2 -bis- STAdi(carboxymethyllaminoldiethyl ether) were measured polarographically. In addition, the stability constants of the scandium chelates of HEDTA (N -hydroxyethyl)-ethylenediamine-N,N,N -triaceti… more
Date: July 1, 1959
Creator: Hiller, M. A. & Powell, J. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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