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Influence of Redox Condition in Iron, Silicon and Hydrogen Contents of Leached Glass Surface

Published online by Cambridge University Press:  25 February 2011

A. Manara ,
F. Lanza ,
G. Della Mea ,
C. Rossi  and
G. Salvagno
A. Manara
Affiliation:
Commission of the European Communities, Joint Research Centre Ispra Establishment, 21020 Ispra (Va), Italy
F. Lanza
Affiliation:
Commission of the European Communities, Joint Research Centre Ispra Establishment, 21020 Ispra (Va), Italy
G. Della Mea
Affiliation:
Commission of the European Communities, Joint Research Centre Ispra Establishment, 21020 Ispra (Va), Italy
C. Rossi
Affiliation:
Commission of the European Communities, Joint Research Centre Ispra Establishment, 21020 Ispra (Va), Italy
G. Salvagno
Affiliation:
Commission of the European Communities, Joint Research Centre Ispra Establishment, 21020 Ispra (Va), Italy
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Abstract

Surface analysis has been conducted on samples leached in a Sochlet apparatus at 100°C in the presence and in the absence of air. The XPS technique was applied to analyse the content of iron and silicon while the nuclear reaction method was utilized to analyse the content of hydrogen. Samples leached in argon atmosphere have shown a smaller content of iron and silicon with respect to the samples leached in air atmosphere. The H concentration has shown the same behaviour. The results are discussed in terms of possible formation of iron compounds in the different redox condition and of their different stabilities and in terms of their efficiency in reducing exchange between Na+ and H+ ions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 26: Symposium D – Scientific Basis for Nuclear Waste Management VII , 1983 , 735
Copyright
Copyright © Materials Research Society 1984

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References

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