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Weathered Basalt Glass: A Natural Analogue for the Effects of REACTION Progress on Nuclear Waste Glass Alteration

Published online by Cambridge University Press:  28 February 2011

B. Grambow
Affiliation:
Hahn-Meitner Institut, Glienicker Strasse 100, 1000 Berlin 39, F.R.Germany
M. J. Jercinovic
Affiliation:
Department of Geology, University of New Mexico, Albuquerque, NM 87131, USA
R. C. Ewing
Affiliation:
Department of Geology, University of New Mexico, Albuquerque, NM 87131, USA
C. D. Byers
Affiliation:
Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA
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Abstract

Laboratory experiments alone cannot be used to verify models for the long-term release of radionuclides from nuclear waste glasses. Basalt glasses have been proposed as an appropriate natural analogue for the long-term validation of release models [1]. Their analogous behavior has been demonstrated in laboratory experiments in which both types of glasses display similar reaction rates, alteration products and surface layer morphologies [2,3]. This paper illustrates how empirical data from natural occurrences of basalt glass can be interpreted by a model which is developed to describe the reaction progress of the corrosion of nuclear waste form borosilicate glass [4,5].

Type
Research Article
Copyright
Copyright © Materials Research Society 1985

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