[en] Polypyrrole polystyrene sulfonate resins have been electro- chemically synthesized, and the ability of these films to control potentiometrically the exchange of thorium, uranium and lantha- num cations has been studied using electrochenücal and nuclear methods (a counting, RBS). The actual effect of the applied Potential on the exchange process has been demonstrated. The effect of various parameters on the Th cation binding, such as the polymer thickness and the oxidation State of the resin, has also been studied. A low incorporation of uranium has been ob- served and rationalized by the redox instability of the polymer resin. The reversibility of the Th and La exchange has also been quantified and optimized.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Jérôme, Christine ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Mertens, Marc; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Martinot, Lucien ; University of Liège (ULg), Department of Chemistry, Coordination Chemistry and Radiochemistry
Jérôme, Robert ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Strivay, David ; University of Liège (ULg), Department of Physics, Nuclear Physics, Center of Archaeometry
Weber, Georges ; University of Liège (ULg), Department of Physics, Nuclear Physics, Center of Archaeometry
Language :
English
Title :
Potentiometric-controlled exchange of actinide and lanthanide cations by electrically conducting polymers based resin
Publication date :
1998
Journal title :
Radiochimica Acta
ISSN :
0033-8230
eISSN :
2193-3405
Publisher :
De Gruyter
Volume :
80
Pages :
193-199
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE] BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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