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Attenuation of Pu, Am, Cs and Sr Mobility in Concrete

Published online by Cambridge University Press:  28 February 2011

A.T. Jakubick ,
R.W. Gillham ,
I. Kahl  and
M. Robin
A.T. Jakubick
Affiliation:
Ontario Hydro, Civil Research Department, 800 Kipling Avenue, Toronto, Ontario M8Z 5S4, Canada
R.W. Gillham
Affiliation:
University of Waterloo, Waterloo, Ontario, Canada
I. Kahl
Affiliation:
Nuclear Research Centre, Karlsruhe, Federal Republic of Germany
M. Robin
Affiliation:
University of Waterloo, Waterloo, Ontario, Canada
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Abstract

Sorption experiments with 85Sr, 137CS, 239pu and 241Am on four types of concrete (normal density, normal density with fly ash, high density and high density with silica fume) were carried out in a predominantly CaCl2 groundwater, in a predominantly NaCl groundwater and in nitrate solutions. Subsequently, autoradiography was used to identify the sorption pattern on the concrete surfaces. In order to distinguish the effects of chemical sorption from that of variable surface area, the effective surface area was used to derive reactive- surface-related distribution coefficients instead of the geometric- surface-related distribution coefficients.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 84: Symposium L – Scientific Basis for Nuclear Waste Management X , 1986 , 355
Copyright
Copyright © Materials Research Society 1987

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