Reduction of Plutonium (VI) to Plutonium(III) and (IV) by Sodium Nitrite

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Description

The use of anion exchange for final Pu purification in the Redox facility requires the adjustment of Pa(VI) to Pu(IV). Two methods of reduction were investigated: ferrous sulfamate and nitrite. The ferrous sulfamate method was adopted. Data on reduction of Pu(VI) to Pu(IV) and Pu(III) by nitrite are presented. The reduction by nitrite was found to be dependent on nitrite concentration, temperature, acidity, ferric ion concentration, and time, and it is possible to obtain >90% reduction to Pu(HI) by controlling the above conditions. (D.L.C.)

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7 p.

Creation Information

Colvin, C. A. October 28, 1963.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 125 times . More information about this report can be viewed below.

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  • Hanford Atomic Products Operation
    Publisher Info: General Electric Co. Hanford Atomic Products Operation, Richland, Wash.
    Place of Publication: Richland, Washington
  • Hanford Site (Wash.)
    Publisher Info: Hanford Site (HNF), Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The use of anion exchange for final Pu purification in the Redox facility requires the adjustment of Pa(VI) to Pu(IV). Two methods of reduction were investigated: ferrous sulfamate and nitrite. The ferrous sulfamate method was adopted. Data on reduction of Pu(VI) to Pu(IV) and Pu(III) by nitrite are presented. The reduction by nitrite was found to be dependent on nitrite concentration, temperature, acidity, ferric ion concentration, and time, and it is possible to obtain >90% reduction to Pu(HI) by controlling the above conditions. (D.L.C.)

Physical Description

7 p.

Source

  • Other Information: Orig. Receipt Date: 31-DEC-64

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  • Report No.: HW-79354
  • Grant Number: AT(45-1)-1350
  • DOI: 10.2172/4084403 | External Link
  • Office of Scientific & Technical Information Report Number: 4084403
  • Archival Resource Key: ark:/67531/metadc870587

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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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Creation Date

  • October 28, 1963

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 11, 2017, 2:09 p.m.

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Colvin, C. A. Reduction of Plutonium (VI) to Plutonium(III) and (IV) by Sodium Nitrite, report, October 28, 1963; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc870587/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.