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@ARTICLE{Beu:878487,
      author       = {Beu, Kevin and Strub, Erik and Fonseca, Raúl O. C. and
                      Greef, Karin},
      title        = {{D}evelopment of a {B}i/{T}l separation scheme for the
                      proof of 209{B}i α-decay in old mineral samples},
      journal      = {Journal of radioanalytical and nuclear chemistry},
      volume       = {325},
      number       = {2},
      issn         = {1588-2780},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2020-02876},
      pages        = {357 - 363},
      year         = {2020},
      abstract     = {The aim of this study is the development of a separation
                      technique for geological samples, namely bismuthinites, with
                      the goal to isolate Tl from excess amounts of Bi. This will
                      enable an isotopic measurement of the Tl content on the
                      ultra-trace level to identify a possible signature of Bi
                      α-decay. The separation of Tl from other elements like e.g.
                      Pb has been the subject of numerous studies. However, the
                      separation of ultra-traces of Tl from bulk Bi had not yet
                      been investigated sufficiently. This paper describes a
                      separation technique for the system Bi/Tl for application to
                      ultra-trace analysis. The separation technique uses a column
                      chromatographic system, utilizing the specific redox
                      behavior of Tl. The results show, that Tl can be
                      successfully separated in appearance of vast excess amounts
                      of Bi, showing recovery rates up to $96\%.$ The developed
                      procedure was successfully applied for the ultra-trace
                      analysis on a number of bimuthinites using ICP-MS. On base
                      of the results it is discussed, which prerequisites
                      bimuthinite samples must fulfill to be suitable for the
                      quantification of Bi alpha decay on base of the Tl isotopic
                      ratio.},
      cin          = {INM-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)INM-5-20090406},
      pnm          = {573 - Neuroimaging (POF3-573)},
      pid          = {G:(DE-HGF)POF3-573},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000546543700003},
      doi          = {10.1007/s10967-020-07267-6},
      url          = {https://juser.fz-juelich.de/record/878487},
}