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The Chemical Environment in Cements

Published online by Cambridge University Press:  26 February 2011

F. P. Glasser ,
M. J. Angus ,
C. E. McCulloch ,
D. Macphee  and
A. A. Rahman
F. P. Glasser
Affiliation:
Dept. of Chemistry, University of Aberdeen, Old Aberdeen, AB9 2UE, SCOTLAND.
M. J. Angus
Affiliation:
Dept. of Chemistry, University of Aberdeen, Old Aberdeen, AB9 2UE, SCOTLAND.
C. E. McCulloch
Affiliation:
Dept. of Chemistry, University of Aberdeen, Old Aberdeen, AB9 2UE, SCOTLAND.
D. Macphee
Affiliation:
Dept. of Chemistry, University of Aberdeen, Old Aberdeen, AB9 2UE, SCOTLAND.
A. A. Rahman
Affiliation:
Dept. of Chemistry, University of Aberdeen, Old Aberdeen, AB9 2UE, SCOTLAND.
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Abstract

The alkalinity of Portland cements is responsible for precipitation and low solubility of many radwaste species. The sources of alkalinity are evaluated and two chemical models, based on experimental and theoretical data presented enabling the effect of blending agents (PFA, silica fume, etc.) to be evaluated and the alkalinity of the system at longer ages predicted. The data take the form of a solubility model which is applicable to non-heat generating wastes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 44: Symposium N – Scientific Basis for Nuclear Waste Management VIII , 1984 , 849
Copyright
Copyright © Materials Research Society 1985

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