Measurement of the glass dissolution rate in the presence of alteration phases

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The dissolution rate of LD6-5412 glass was measured at 90{circ}C in the presence of its alteration phases with the Product Consistency Test (PCT) Method B, the Vapor Hydration Test (VHT), and the Accelerated Dissolution Test (ADT). Alteration phases formed during the PCTs and VHTs, but variations in the time required for their nucleation resulted in large uncertainties in the measured rates. The alteration phases are generated separately for use in the SDTs, so the measured rates are not affected by the kinetics of alteration phase nucleation. The rates measured in the PCTs, VHTs, and ADTs were 0.4 g/(m{sup 2}{sm_bullet}d) (a ... continued below

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8 p.

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Ebert, W. L.; Bakel, A. J. & Brown, N. R. July 1996.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Lab., Idaho Falls, ID (United States)
    Place of Publication: Idaho Falls, Idaho
  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The dissolution rate of LD6-5412 glass was measured at 90{circ}C in the presence of its alteration phases with the Product Consistency Test (PCT) Method B, the Vapor Hydration Test (VHT), and the Accelerated Dissolution Test (ADT). Alteration phases formed during the PCTs and VHTs, but variations in the time required for their nucleation resulted in large uncertainties in the measured rates. The alteration phases are generated separately for use in the SDTs, so the measured rates are not affected by the kinetics of alteration phase nucleation. The rates measured in the PCTs, VHTs, and ADTs were 0.4 g/(m{sup 2}{sm_bullet}d) (a lower bound), 2 g/(m{sup 2}{sm_bullet}d) (extrapolated from the results of tests run at high temperatures), and 1.4 g/(m{sup 2}{sm_bullet}d), respectively. The solution pHs were about 12 in all the tests.

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8 p.

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INIS; OSTI as DE96012694

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  • SPECTRUM `96: international conference on nuclear and hazardous waste management, Seattle, WA (United States), 18-23 Aug 1996

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  • Other: DE96012694
  • Report No.: ANL/CMT/CP--88456
  • Report No.: CONF-960804--40
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 274137
  • Archival Resource Key: ark:/67531/metadc672602

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 7, 2016, 6:53 p.m.

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Ebert, W. L.; Bakel, A. J. & Brown, N. R. Measurement of the glass dissolution rate in the presence of alteration phases, article, July 1996; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc672602/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.