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000017077 084__ $$2WoS$$aChemistry, Multidisciplinary
000017077 1001_ $$0P:(DE-HGF)0$$aIqbal, M.$$b0
000017077 245__ $$aSynthesis and evaluation of novel water-soluble ligands for the complexation of metals during the partitioning of actinides
000017077 260__ $$aLondon$$bRSC$$c2011
000017077 300__ $$a2591 - 2600
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000017077 440_0 $$04599$$aNew Journal of Chemistry$$v35$$x1144-0546$$y11
000017077 500__ $$aThe authors gratefully acknowledge the financial support from the EU ACSEPT (Actinide reCycling by SEParation and Transmutation) project (FP7 collaborative project 211267) and HEC (higher education commission) Pakistan.
000017077 520__ $$aDifferent types of water-soluble ligands were synthesized and their capability was evaluated by solvent extraction studies to complex trivalent actinides and suppress their extraction by a strong lipophilic ligand, such as TODGA. The back extraction efficiency of hydrophilic diglycolamide (DGA) derivatives with a varying number of ethylene glycol groups, or containing sodium acetate moieties on the amidic nitrogen shows a decrease in back-extraction efficiency with increasing number of ethylene glycol units on the amidic nitrogen at various pH values of the aqueous phase. Among the P-S donating ligands only the ligand with a malonamide backbone exhibits a high reverse extraction efficiency, although, with no selectivity for americium. Within the water-soluble tripodal ligands, i.e. the amide derivatives of nitrilotriacid with N,N-dimethyl and N, N-bis(hydroxyethyl) moieties, the first one shows a pronounced selectivity for Am(III) over Eu(III), with a maximum separation factor of 11.1, while the latter one more efficiently complexes the radionuclides in the aqueous phase with a maximum separation factor of 5. Isothermal microcalorimetry experiments of the complexation of Eu(III) by a selected series of ligands confirm the observed trend in the back extraction properties.
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000017077 536__ $$0G:(EU-Grant)211267$$aACSEPT - Actinide reCycling by SEParation and Transmutation (211267)$$c211267$$fFP7-Fission-2007$$x1
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000017077 7001_ $$0P:(DE-HGF)0$$aHuskens, J.$$b1
000017077 7001_ $$0P:(DE-Juel1)VDB88201$$aSypula, M.$$b2$$uFZJ
000017077 7001_ $$0P:(DE-Juel1)130383$$aModolo, G.$$b3$$uFZJ
000017077 7001_ $$0P:(DE-HGF)0$$aVerboom, W.$$b4
000017077 773__ $$0PERI:(DE-600)1472933-7$$a10.1039/c1nj20523d$$gVol. 35, p. 2591 - 2600$$p2591 - 2600$$q35<2591 - 2600$$tNew journal of chemistry$$v35$$x1144-0546$$y2011
000017077 8567_ $$uhttp://dx.doi.org/10.1039/C1NJ20523D
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