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Interaction of Eu(III) and Th(IV) with sulphate-resisting Portland cement

Wieland, E. / Tits, J. / Spieler, P. / Dobler, J.P.

The uptake of Eu(III) and Th(IV) by a sulphate-resisting Portland cement has been investigated in batch type sorption experiments using ¹⁵²Eu and ²³⁴Th as tracers. Prior to performing sorption studies, the experimental methodology was assessed. The kinetics of Eu(III) and Th(IV) interactions with cement were measured for times up to about 130 days. The effect of isosaccharinic acid added to artificial cement pore water on Eu(III) and Th(IV) uptake was examined to elucidate the effect of cellulose degradation products.

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Interaction of Eu(III) and Th(IV) with sulphate-resisting Portland cement

Wieland, E. / Tits, J. / Spieler, P. / Dobler, J.P.

The uptake of Eu(III) and Th(IV) by a sulphate-resisting Portland cement has been investigated in batch type sorption experiments using ¹⁵²Eu and ²³⁴Th as tracers. Prior to performing sorption studies, the experimental methodology was assessed. The kinetics of Eu(III) and Th(IV) interactions with cement were measured for times up to about 130 days. The effect of isosaccharinic acid added to artificial cement pore water on Eu(III) and Th(IV) uptake was examined to elucidate the effect of cellulose degradation products.

Interaction of Eu(III) and Th(IV) with sulphate-resisting Portland cement

Wieland, E. / Tits, J. / Spieler, P. / Dobler, J.P.

The uptake of Eu(III) and Th(IV) by a sulphate-resisting Portland cement has been investigated in batch type sorption experiments using ¹⁵²Eu and ²³⁴Th as tracers. Prior to performing sorption studies, the experimental methodology was assessed. The kinetics of Eu(III) and Th(IV) interactions with cement were measured for times up to about 130 days. The effect of isosaccharinic acid added to artificial cement pore water on Eu(III) and Th(IV) uptake was examined to elucidate the effect of cellulose degradation products.

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Title:

Interaction of Eu(III) and Th(IV) with sulphate-resisting Portland cement

Contributors:

Wieland, E. (author) / Tits, J. (author) / Spieler, P. (author) / Dobler, J.P. (author)

Published in:

Symposiumon Scientific Basis for Nuclear Waste Management, 21 ; 573-578

Materials Research Society Symposium - Proceedings ; 506

Publication date:

1998

Size:

6 Seiten, 9 Quellen

ISBN:

ISSN:

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Europium , Thorium , radioaktives Isotop , Portlandzement , Sorption , Schwefelverbindung , Reaktionskinetik , Konzentrationseinfluss , organische Säure , Cellulose

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