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@ARTICLE{Iqbal:17077,
      author       = {Iqbal, M. and Huskens, J. and Sypula, M. and Modolo, G. and
                      Verboom, W.},
      title        = {{S}ynthesis and evaluation of novel water-soluble ligands
                      for the complexation of metals during the partitioning of
                      actinides},
      journal      = {New journal of chemistry},
      volume       = {35},
      issn         = {1144-0546},
      address      = {London},
      publisher    = {RSC},
      reportid     = {PreJuSER-17077},
      pages        = {2591 - 2600},
      year         = {2011},
      note         = {The 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.},
      abstract     = {Different 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.},
      keywords     = {J (WoSType)},
      cin          = {IEK-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {Nukleare Sicherheitsforschung / ACSEPT - Actinide reCycling
                      by SEParation and Transmutation (211267)},
      pid          = {G:(DE-Juel1)FUEK404 / G:(EU-Grant)211267},
      shelfmark    = {Chemistry, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000296204900027},
      doi          = {10.1039/c1nj20523d},
      url          = {https://juser.fz-juelich.de/record/17077},
}