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Diffusion Measurements of Radionuclides In site Specific Sediment/Groundwater-Systems

Published online by Cambridge University Press:  28 February 2011

Hans Meier
Affiliation:
Staatliches Forschungsinstitut für Geochemie/Außenstelle des Bayerischen Geologischen Landesamtes, Concordiastraße 28, D-8600 Bamberg, Federal Republic of Germany
E. Zimmerhackl
Affiliation:
Staatliches Forschungsinstitut für Geochemie/Außenstelle des Bayerischen Geologischen Landesamtes, Concordiastraße 28, D-8600 Bamberg, Federal Republic of Germany
G. Zeitler
Affiliation:
Staatliches Forschungsinstitut für Geochemie/Außenstelle des Bayerischen Geologischen Landesamtes, Concordiastraße 28, D-8600 Bamberg, Federal Republic of Germany
P. Menge
Affiliation:
Staatliches Forschungsinstitut für Geochemie/Außenstelle des Bayerischen Geologischen Landesamtes, Concordiastraße 28, D-8600 Bamberg, Federal Republic of Germany
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Abstract

Results of systematic measurements on the diffusion of radionuclides through sandy, marlaceous and clayley sediment rocks from strata overlying the Gorleben salt dome are presented. The tracer nuclides used were U-233, Ra-226, Pb-210, and Ni-63. It is shown that, among other parameters, diffusion coefficients and distribution coefficients could be derived from breakthrough curves. Moreover, it is demonstrated that the diffusion behaviour of nuclides such as Pb and Ni can be enhanced enormously in sediment rocks by complex forming agents (EDTA).

Type
Research Article
Copyright
Copyright © Materials Research Society 1991

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References

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