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Mineral Phase Identificaticn Along two Profiles from the LRW French Reference Glass: Use of an X-Ray Position Sensitive Detector

Published online by Cambridge University Press:  28 February 2011

J. Caurel ,
D. Beaufort  and
E. Y. Vernaz
J. Caurel
Affiliation:
Laboratoire de Pétrologie des Altérations Hydrothermales, UA 721 du CNRS, Université de Poitiers, 40, avenue du recteur Pineau, 86022 POITIERS Cedex, France
D. Beaufort
Affiliation:
Laboratoire de Pétrologie des Altérations Hydrothermales, UA 721 du CNRS, Université de Poitiers, 40, avenue du recteur Pineau, 86022 POITIERS Cedex, France
E. Y. Vernaz
Affiliation:
CEA-CEN/VALRHO, B.P. 171, 30205 BAGNOILS SUR CEZE, FRANCE
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Abstract

This study was undertaken to clarify the alteration process of French LWR synthetic glass leached by distilled water at 250 and 300°C for 28 days. The present experiments emphasize “in situ” identification of the alteration products in small areas (20 × 10−4 mm2 ) along the alteration profile by a specific X-ray diffraction technique.

Experimental assembly: The sample is irradiated by an incident X-ray beam (Co k α, 40 mA, 40 Kv) focused to a 150 μ m diameter. The sample oscillates around a θ central selected position and the diffracted X-rays are detected simultaneously in a 14.5 (2 θ ) solid angle, then recorded by the linear position sensitive detector and stored in a multichannel analyzer.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 112: Symposium P – Scientific Basis for Nuclear Waste Management XI , 1987 , 663
Copyright
Copyright © Materials Research Society 1988

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References

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