A data base and a standard material for use in acceptance testing of low-activity waste products

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The authors have conducted replicate dissolution tests following the product consistency test (PCT) procedure to measure the mean and standard deviation of the solution concentrations of B, Na, and Si at various combinations of temperature, duration, and glass/water mass ratio. Tests were conducted with a glass formulated to be compositionally similar to low-activity waste products anticipated for Hanford to evaluate the adequacy of test methods that have been designated in privatization contracts for use in product acceptance. An important finding from this set of tests is that the solution concentrations generated in tests at 20 C will likely be too ... continued below

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199 p.

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Wolf, S. F.; Ebert, W. L.; Luo, J. S. & Strachan, D. M. April 1, 1998.

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Description

The authors have conducted replicate dissolution tests following the product consistency test (PCT) procedure to measure the mean and standard deviation of the solution concentrations of B, Na, and Si at various combinations of temperature, duration, and glass/water mass ratio. Tests were conducted with a glass formulated to be compositionally similar to low-activity waste products anticipated for Hanford to evaluate the adequacy of test methods that have been designated in privatization contracts for use in product acceptance. An important finding from this set of tests is that the solution concentrations generated in tests at 20 C will likely be too low to measure the dissolution rates of waste products reliably. Based on these results, the authors recommend that the acceptance test be conducted at 40 C. Tests at 40 C generated higher solution concentrations, were more easily conducted, and the measured rates were easily related to those at 20 C. Replicate measurements of other glass properties were made to evaluate the possible use of LRM-1 as a standard material. These include its composition, homogeneity, density, compressive strength, the Na leachability index with the ANSI/ANS 16.1 leach test, and if the glass is characteristically hazardous with the toxicity characteristic leach procedure. The values of these properties were within the acceptable limits identified for Hanford low-activity waste products. The reproducibility of replicate tests and analyses indicates that the glass would be a suitable standard material.

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199 p.

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INIS; OSTI as DE98007004

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  • Other Information: PBD: Apr 1998

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  • Other: DE98007004
  • Report No.: ANL--98/9
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/661473 | External Link
  • Office of Scientific & Technical Information Report Number: 661473
  • Archival Resource Key: ark:/67531/metadc711077

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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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  • April 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 13, 2016, 7:01 p.m.

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Wolf, S. F.; Ebert, W. L.; Luo, J. S. & Strachan, D. M. A data base and a standard material for use in acceptance testing of low-activity waste products, report, April 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc711077/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.