Assessment of ligand extraction properties: an intercomparison campaign amongst EUROPARTners
Artikel i vetenskaplig tidskrift, 2008

An intercomparison campaign was organized at the beginning of the European FP6 EUROPART Integrated Project, among the partners involved in the assessment of the extracting properties of novel ligands, in order to check their accuracy and reliability when determining metal cation distribution ratios. Three different extracting systems, presenting various selectivity and affinity towards trivalent actinides were selected: (i) CMPO, (ii) TPTZ and (iii) BTP. Although some differences could be pointed out in the implementation of liquid-liquid extraction tests, the distribution ratios measured by the nine partners were fairly reproducible (< 20% deviation) for the first two extracting systems. However, large discrepancies occurred when testing the third extracting system, due to its strong hydrolytic instability, thus pointing out the difficulty of assessing extraction properties of instable ligands.

BTP

CMPO

actinides

liquid-liquid extraction

TPTZ

ligand assessment

lanthanides

Författare

C. Hill

Le Commissariat à l’énergie atomique et aux énergies alternatives (CEA)

J. F. Desreux

Universite de Liege

Christian Ekberg

Chalmers, Kemi- och bioteknik, Kärnkemi

A. G. Espartero

Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas

M. Galetta

POLIMI

G. Modolo

Forschungszentrum Jülich

A. Geist

Karlsruher Institut für Technologie (KIT)

P. Selucky

Nuclear Research Institute Re plc

J. Narbutt

Institute of Nuclear Chemistry and Technology, Warsaw

C. Madic

Le Commissariat à l’énergie atomique et aux énergies alternatives (CEA)

Radiochimica Acta

0033-8230 (ISSN)

Vol. 96 259-264

DOI

10.1524/ract.2008.1486