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@ARTICLE{HubscherBruder:838138,
      author       = {Hubscher-Bruder, Véronique and Mogilireddy, Vijetha and
                      Michel, Sylvia and Leoncini, Andrea and Huskens, Jurriaan
                      and Verboom, Willem and Galan, Hitos and Núñez
                      Gómez-Aleixandre, Ana and Cobos Sabate, Joaquín and
                      Modolo, Giuseppe and Wilden, Andreas and Schmidt, Holger and
                      Charbonnel, Marie-Christine and Guilbaud, Philippe and
                      Boubals, Nathalie},
      title        = {{B}ehaviour of the extractant {M}e-{TODGA} upon gamma
                      irradiation: quantification of the degradation compounds and
                      individual influences on complexation and extraction},
      journal      = {New journal of chemistry},
      volume       = {41},
      number       = {22},
      issn         = {1369-9261},
      address      = {London},
      publisher    = {RSC},
      reportid     = {FZJ-2017-06842},
      pages        = {13700-13711},
      year         = {2017},
      abstract     = {Diglycolamides (DGAs), and in particular
                      N,N,N′,N′-tetraoctyl diglycolamide (TODGA), are
                      well-known candidates for the co-extraction of trivalent
                      actinides (An(III)) and lanthanides (Ln(III)) from highly
                      acidic aqueous solutions of nuclear waste. A derivative of
                      TODGA, the so-called Me-TODGA with the addition of a
                      methyl-substituent on the central part of the TODGA
                      molecule, has been proposed to improve its stability
                      properties and extraction behaviour. This work describes the
                      stability and viability of Me-TODGA by studying the
                      properties of its degradation compounds formed upon gamma
                      irradiation. The main degradation products have been
                      synthesised and studied individually. Particular attention
                      has been paid to their quantification, as well as their
                      complexation and extraction properties, for a better
                      understanding of the degradation pathways and the behaviour
                      of the solvents upon gamma irradiation. The extraction
                      behaviour of irradiated Me-TODGA solvents and their
                      degradation compounds have been studied toward the fission
                      products and lanthanides present in a highly active
                      raffinate (HAR) solution. Binding properties of parent
                      molecules (TODGA and Me-TODGA) and their main degradation
                      compounds with Ln(III) have also been determined in a
                      homogeneous phase. All the results obtained on degradation
                      compounds are compared with those of the parent molecules in
                      order to assess the effects of these compounds on the
                      separation process. Among the radiolytic compounds,
                      2-hydroxyoctylamides are the most problematic compounds not
                      only because of their high affinity for lanthanides but also
                      for other fission products.},
      cin          = {IEK-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {161 - Nuclear Waste Management (POF3-161) / SACSESS -
                      Safety of ACtinide Separation proceSSes (323282) / ACSEPT -
                      Actinide reCycling by SEParation and Transmutation (211267)
                      / HITEC - Helmholtz Interdisciplinary Doctoral Training in
                      Energy and Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-161 / G:(EU-Grant)323282 /
                      G:(EU-Grant)211267 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000414440000057},
      doi          = {10.1039/C7NJ02136D},
      url          = {https://juser.fz-juelich.de/record/838138},
}