{sup 242}Pu CRITICAL MASS

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Large amounts of {sup 242}Pu (0.3 to 0.8 mg/g UO{sub 2}) are present in spent nuclear reactor fuel with more being produced on a daily basis. For stabilization and reprocessing of spent fuel, criticality safety data are needed to ensure that {sup 242}Pu is handled safely. The calculated bare critical mass of {sup 242}Pu is 85.80 {+-} 3.46 kg at a density of 19.86 g/cm{sup 3}. This critical mass was derived based upon calculations of critical experiments that used up to 24 kg {sup 242}Pu. The previous critical mass derivation should be reasonably accurate until such time that integral data ... continued below

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125 Kilobytes pages

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BREWER, R. June 1, 1999.

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Large amounts of {sup 242}Pu (0.3 to 0.8 mg/g UO{sub 2}) are present in spent nuclear reactor fuel with more being produced on a daily basis. For stabilization and reprocessing of spent fuel, criticality safety data are needed to ensure that {sup 242}Pu is handled safely. The calculated bare critical mass of {sup 242}Pu is 85.80 {+-} 3.46 kg at a density of 19.86 g/cm{sup 3}. This critical mass was derived based upon calculations of critical experiments that used up to 24 kg {sup 242}Pu. The previous critical mass derivation should be reasonably accurate until such time that integral data can be obtained.

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125 Kilobytes pages

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  • Report No.: LA-UR-99-3509
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 772996
  • Archival Resource Key: ark:/67531/metadc720388

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1999

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • March 23, 2016, 8:01 p.m.

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BREWER, R. {sup 242}Pu CRITICAL MASS, article, June 1, 1999; New Mexico. (digital.library.unt.edu/ark:/67531/metadc720388/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.