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Reactions of High-Feo Olivine Rock with Groundwater and Redox-Sensitive Elements Studied by Surface-Analytical Methods and Autoradiography

Published online by Cambridge University Press:  25 February 2011

K-H. Hellmuth ,
M. Siitari-Kauppi ,
E. Rauhala ,
B. Johanson ,
R. Zilliacus ,
R. Gijbels  and
A. Adriaens
K-H. Hellmuth
Affiliation:
Finnish Centre for Radiation and Nuclear Safety (STUK), POB 268, FIN-00101 Helsinki, Finland
M. Siitari-Kauppi
Affiliation:
Department of Radiochemistry, University of Helsinki, Unioninkatu 35, FIN-00170 Helsinki, Finland
E. Rauhala
Affiliation:
Department of Physics, University of Helsinki, Siltavuorenpenger 20, FIN-00170 Helsinki, Finland
B. Johanson
Affiliation:
Geological Survey of Finland, Betonimiehenkuja 4, FIN-02150 Espoo, Finland
R. Zilliacus
Affiliation:
Reactor Laboratory, Technical Research Centre, Otakaari 3 A, FIN-02150 Espoo, Finland
R. Gijbels
Affiliation:
Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Antwerpen, Belgium
A. Adriaens
Affiliation:
Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Antwerpen, Belgium
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Abstract

The reaction of unaltered olivine rock with groundwater and redox-sensitive elements (Tc, Re, and U) was investigated at elevated temperatures in the laboratory. Olivine was found to react easily with water taking up trace elements in alteration products. The alteration products were characterized using Rutherford backscattering, secondary ion mass spectrometry and electron microprobe analysis. The sample surfaces were studied by autoradiography and digital image processing techniques.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 333: Symposium V – Scientific Basis for Nuclear Waste Management XVII , 1993 , 947
Copyright
Copyright © Materials Research Society 1994

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References

REFERENCES

1 Hellmuth, K-H., Report STUK-B-VALO 68, Finnish Centre for Radiation and Nuclear Safety, Helsinki (1991).Google Scholar
2 Hellmuth, K-H., Lindberg, A., Tullborg, E-L., Report STUK-YTO-TR 43, Finnish Centre for Radiation and Nuclear Safety, Helsinki (1992).Google Scholar
3 Hellmuth, K-H., Lindberg, A., Tullborg, E-L., In: 5th CEC Natural Analogue Working Group Meeting, EUR report series (1993) (in print) .Google Scholar
4 Saarilahti, J., Rauhala, E., Nucl. Instr. and Meth. B64, 734 (1992)CrossRefGoogle Scholar