Preparation and use of Ammonium Diuranate in the Ether Extraction Process

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In the ether extraction process, as originally developed, purified uranium dioxide was obtained by evaporation and calcination of the uranyl nitrate solution, followed by calcination of the resultant UO{sub 3}. It was suggested that an alternate procedure might be developed, involving the precipitation of uranium from the nitrate solution as ammonium diuranate. This material could then be calcined to uranosic acid, or reduced directly to the dioxide. It had already been established that ammonium diuranate could be precipitated completely from uranyl nitrate solutions. Experiments were carried out to determine whether a basic nitrate, analogous to a known sulfate salt, would ... continued below

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Brimm, E. O., Dr. & Mohr, P. February 4, 1947.

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In the ether extraction process, as originally developed, purified uranium dioxide was obtained by evaporation and calcination of the uranyl nitrate solution, followed by calcination of the resultant UO{sub 3}. It was suggested that an alternate procedure might be developed, involving the precipitation of uranium from the nitrate solution as ammonium diuranate. This material could then be calcined to uranosic acid, or reduced directly to the dioxide. It had already been established that ammonium diuranate could be precipitated completely from uranyl nitrate solutions. Experiments were carried out to determine whether a basic nitrate, analogous to a known sulfate salt, would be formed in the process. Both direct reduction of the diuranate to UO{sub 2} and calcination to uranosic acid were investigated to determine the physical characteristics and residual nitrogen of the resultant brown oxide.

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  • Report No.: M-4550
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 1026506
  • Archival Resource Key: ark:/67531/metadc829376

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 4, 1947

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 22, 2016, 1:19 p.m.

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Brimm, E. O., Dr. & Mohr, P. Preparation and use of Ammonium Diuranate in the Ether Extraction Process, report, February 4, 1947; United States. (digital.library.unt.edu/ark:/67531/metadc829376/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.