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Laboratory Testing of the Corrosion of Waste Glasses in Aqueous Environments - Effects of Experimental Parameters

Published online by Cambridge University Press:  25 February 2011

AA. Barkatt ,
Jing C. Sang ,
S.-B. Xing ,
Yan Guo ,
I. L. Pegg  and
AL. Barkatt
AA. Barkatt
Affiliation:
The Catholic University of America, Washington, DC 20064
Jing C. Sang
Affiliation:
The Catholic University of America, Washington, DC 20064
S.-B. Xing
Affiliation:
The Catholic University of America, Washington, DC 20064
Yan Guo
Affiliation:
The Catholic University of America, Washington, DC 20064
I. L. Pegg
Affiliation:
The Catholic University of America, Washington, DC 20064
AL. Barkatt
Affiliation:
The Catholic University of America, Washington, DC 20064
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Abstract

Many types of procedures have been developed for testing of the chemical durability of nuclear waste forms. These procedures differ from each other in critical aspects, such as duration, replenishment or non-replenishment of the leachates, and S/V ratio. As a result, different answers to basic questions, such as how waste-form leachability depends on its chemical composition, are obtained when different test methods are used. Furthermore, the possibility that some glasses may exhibit a leach rate excursion within the test period causes the composition dependence to be an even more sensitive function of test duration and of leachant replenishment. These factors also complicate the use of test data for the prediction of long-term waste form behavior.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 333: Symposium V – Scientific Basis for Nuclear Waste Management XVII , 1993 , 123
Copyright
Copyright © Materials Research Society 1994

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References

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