Reaction of glass during gamma irradiation in a saturated tuff environment. Part 1. SRL 165 glass

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The influence of gamma irradiation on the reaction of actinide-doped borosilicate glass (SRL 165) in a saturated tuff environment has been studied in a series of tests lasting up to 56 days. The following conclusions were reached. The reaction of, and subsequent actinide release from, the glass depends on the dynamic interaction between radiolysis effects, which cause the solution pH to become more acidic; glass reaction, which drives the pH more basic; and test component interactions that may extract glass components from solution. The use of large gamma irradiation dose rates to accelerate reactions that may occur in an actual ... continued below

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88 p.

Creation Information

Bates, J.K.; Fischer, D.F. & Gerding, T.J. February 1, 1986.

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Description

The influence of gamma irradiation on the reaction of actinide-doped borosilicate glass (SRL 165) in a saturated tuff environment has been studied in a series of tests lasting up to 56 days. The following conclusions were reached. The reaction of, and subsequent actinide release from, the glass depends on the dynamic interaction between radiolysis effects, which cause the solution pH to become more acidic; glass reaction, which drives the pH more basic; and test component interactions that may extract glass components from solution. The use of large gamma irradiation dose rates to accelerate reactions that may occur in an actual repository radiation field may affect this dynamic balance by unduly influencing the mechanism of the glass-water reaction. Comparisons between the present results and data obtained by reacting similar glasses using MCC-1 and NNWSI rock cup procedures indicate that the irradiation conditions used in the present experiments do not dramatically influence the reaction rate of the glass. 8 figs., 9 tabs.

Physical Description

88 p.

Notes

NTIS, PC A05/MF A01; OSTI as DE86008792

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  • Other Information: PBD: Feb 1986

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  • Other: DE86008792
  • Report No.: ANL--85-62
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/59835 | External Link
  • Office of Scientific & Technical Information Report Number: 59835
  • Archival Resource Key: ark:/67531/metadc696530

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Creation Date

  • February 1, 1986

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 1:12 p.m.

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Bates, J.K.; Fischer, D.F. & Gerding, T.J. Reaction of glass during gamma irradiation in a saturated tuff environment. Part 1. SRL 165 glass, report, February 1, 1986; Illinois. (digital.library.unt.edu/ark:/67531/metadc696530/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.