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Sorption of europium on TiO2 and cement at high pH in the presence of organic ligands
Linköping University, Faculty of Arts and Sciences. Linköping University, The Tema Institute.
CTM Centre Tecnòlogic, Àrea de Tecnologia Ambiental, Av. Bases de Manresa 1, 08242-Manresa, Spain.
MTM Research Centre, Örebro University, SE-701 82 Örebro, Sweden.
2006 (English)In: Journal of Radioanalytical and Nuclear Chemistry, ISSN 0236-5731, Vol. 270, no 3, 495-505 p.Article in journal (Refereed) Published
Abstract [en]

Organic substances present in radioactive waste lower the sorption of metal ions at the high pH in cement matrices and, hence, enhance their possible migration. The aim of this study was to develop a method to compare organic substances or their degradation products with respect to what extent they affect metal sorption. Batch sorption studies were performed with cement or TiO 2 as solid phase and Eu(III) as a model element for trivalent lanthanides and actinides at pH 12.5 (representative of a cement waste matrix during the first approximately 100,000 years). Different kinds of ligands were studied in a broad concentration range, e.g., organic acids, cement additives, cleaning agents and degradation products from ion-exchange resin. © 2006 Akadémiai Kiadó.

Place, publisher, year, edition, pages
2006. Vol. 270, no 3, 495-505 p.
National Category
Social Sciences
URN: urn:nbn:se:liu:diva-50057DOI: 10.1007/s10967-006-0455-4OAI: diva2:270953
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-11

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Dario, Mårten
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Faculty of Arts and SciencesThe Tema Institute
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