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Aem Analyses of SRL 131 Glass Altered as a Function of SA/V

Published online by Cambridge University Press:  25 February 2011

James J. Mazer ,
John K. Bates ,
Bruce M. Biwer  and
C. R. Bradley
James J. Mazer
Affiliation:
Chemical Technology Division, Argonne National Laboratory, Argonne, IL 60439
John K. Bates
Affiliation:
Chemical Technology Division, Argonne National Laboratory, Argonne, IL 60439
Bruce M. Biwer
Affiliation:
Chemical Technology Division, Argonne National Laboratory, Argonne, IL 60439
C. R. Bradley
Affiliation:
Chemical Technology Division, Argonne National Laboratory, Argonne, IL 60439
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Extract

Experimental studies of silicate glass/water reactions at low temperatures have previously identified the glass surface area-to-solution volume ratio (SA/V) as a significant rate determining parameter [1-4]. The value produced when SA/V is multiplied by reaction time, hereafter referred to as SVT, has been proposed as a scaling factor for comparing experimental results collected under different test conditions and for extrapolating short-term results to longer periods of time. Developing an understanding of the effect of SAN is needed for modeling experimental results where SA/V ranges in value or may vary during experiments. It is also useful to understand the effect of SA/V for modeling natural systems where this value almost certainly varies, such as during the hydrothermal diagenesis of natural glasses or projecting the long-term reaction of water and borosilicate nuclear waste glass in a geologic repository.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 257: Symposium – Scientific Basis for Nuclear Waste Management XV , 1991 , 73
Copyright
Copyright © Materials Research Society 1992

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References

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