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Europium migration in Argilaceous Rocks : on the use of Micro Laser-Induced Breakdown Spectroscopy (micro LIBS) as a Microanalysis Tool

Published online by Cambridge University Press:  21 March 2011

Denis Menut ,
Michael Descostes ,
Patrick Meier ,
Jean Radwan ,
Patrick Mauchien  and
Christophe Poinssot
Denis Menut
Affiliation:
1CEA Saclay, Nuclear Energy Division, DPC/SCP/LRSI, Bâtiment 391, 91 191 Gif sur Yvette, France
Michael Descostes
Affiliation:
CEA Saclay, Nuclear Energy Division, DPC/SECR/L3MR, Bâtiment 450, 91 191 Gif sur Yvette, France
Patrick Meier
Affiliation:
CEA Saclay, Nuclear Energy Division, DPC/SECR/L3MR, Bâtiment 450, 91 191 Gif sur Yvette, France
Jean Radwan
Affiliation:
CEA Saclay, Nuclear Energy Division, DPC/SECR/L3MR, Bâtiment 450, 91 191 Gif sur Yvette, France
Patrick Mauchien
Affiliation:
1CEA Saclay, Nuclear Energy Division, DPC/SCP/LRSI, Bâtiment 391, 91 191 Gif sur Yvette, France
Christophe Poinssot
Affiliation:
CEA Saclay, Nuclear Energy Division, DPC/SECR/L3MR, Bâtiment 450, 91 191 Gif sur Yvette, France
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Abstract

Eu migration in a Callovo-Oxfordian argilite sample was studied using the micro LIBS technique. Quantitative elemental mapping were made by micro LIBS that showed the actual distribution of the various micro areas observed on the Callovo-Oxfordian sample's surface. Calcite, dolomite, alumino-silicates, quartz, pyrite and iron oxides were identified and their statistical distribution was determined. Experimental Eu profiles observed are consistent with diffusion process accompanied by heterogeneous sorption on alumino-silicate surface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 932: Symposium – Scientific Basis for Nuclear Waste Management XXIX , 2006 , 20.1
Copyright
Copyright © Materials Research Society 2006

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References

REFERENCES

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