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In Situ Testing of Waste Glass in Clay

Published online by Cambridge University Press:  25 February 2011

Pierre Ph. Van Iseghem
Pierre Ph. Van Iseghem*
Affiliation:
Division of Waste Disposal, SCK/CEN, B-2400 Mol, Belgium
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Abstract

The actual status of an in-situ test programme exposing different waste glass samples directly to Boom clay is reviewed. Corrosion test tubes have been retrieved after residence for 5 years at 16° C, 2 years at 90° C, and 5 years at 170° C. The corrosion is interpreted in terms of mass loss, surface analysis by SEM and profiling by EPMA and SIMS. At 16° C, glasses dissolve about 0.02 – 0.08 µm per year. At higher temperature dissolution is more than two orders of magnitude larger. A good agreement is obtained between the mass losses and the surface analyses. The advantages and limitations of the Belgian in-situ tests are compared with the conclusions of an international expert group.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 333: Symposium V – Scientific Basis for Nuclear Waste Management XVII , 1993 , 133
Copyright
Copyright © Materials Research Society 1994

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References

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