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Diffusion and Permeability Based Sorption Measurements in Intact Rock Samples

Published online by Cambridge University Press:  28 February 2011

Michael H. Bradbury  and
I. G. Stephen
Michael H. Bradbury
Affiliation:
Chemistry Division, Harwell Laboratories Oxon, OXI1 ORA, England
I. G. Stephen
Affiliation:
Chemistry Division, Harwell Laboratories Oxon, OXI1 ORA, England
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Abstract

Distribution ratios have been determined for Sr, Cs and Tc (as pertechnetate) over a range of concentrations for a Darley Dale sandstone by three different methods: crushed rock batch tests, with W/R ratio and particle size range as independent variables, diffusion-sorption and permeability-sorption experiments on intact rock samples. Comparisons of Rd - values obtained from batch and diffusion-sorption experiments indicate that crushed rock tests can overestimate sorption by as much as one or two orders of magnitude.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 50: Symposium STOCKHOLM – Scientific Basis for Nuclear Waste Management IX , 1985 , 81
Copyright
Copyright © Materials Research Society 1985

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