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Research in actinide geochemistry: Do we need speciation information at the molecular level?

Published online by Cambridge University Press:  21 March 2011

Horst Geckeis
Horst Geckeis*
Affiliation:
Institut für Nukleare Entsorgung, Forschungszentrum Karlsruhe, P.O. Box 3640, D-76021 Karlsruhe, Germany
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Abstract

Radionuclide sorption to rock or sediment surfaces in the vicinity of a nuclear waste reposi-tory contributes significantly to the overall safety performance of a given disposal concept. State-of-the-artspeciation techniques as laser - and X-ray spectroscopy are becoming more and more involved into the elucidation of sorption mechanisms and to the quantification of surface speciation. They are extremely valuable tools to gain fundamental understanding as a basis for the development of geochemical sorption models which in turn are needed to predict ra-dionuclide behaviour in the environment.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 932: Symposium – Scientific Basis for Nuclear Waste Management XXIX , 2006 , 22.1
Copyright
Copyright © Materials Research Society 2006

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