Retrospective dosimetry of fast neutrons focussed on the reactions 93Nb(n,n')93mNb and 54Fe(n,p)54Mn

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  • Wim Voorbraak
  • Tommi Kekki
  • Tom Seren
  • Marleen Van Bockxstaele
  • Jan Wagemans
  • Joost Woittiez

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This paper provides an overview of possibilities to apply the technique of retrospective dosimetry based on the reactions 93Nb(n,n')93mNb and 54Fe(n,p)54Mn. In a joint effort between NRG, VTT and SCK-CEN, different techniques for the chemical dissolution, isotope separation and gamma-spectrometry measurements were applied. This work presents the applicability, advantages and disadvantages of the different techniques, and the accuracies that can be achieved for specific amounts of niobium impurities in the samples.


Original languageEnglish
Pages (from-to)11-11
JournalJournal of ASTM International
Issue number4
Publication statusPublished - Apr 2007
EventISRD 2005 -12th International Symposiuim on Reactor Dosimetry - ASTM and EWGRD, Gatlinburg, United States
Duration: 8 May 200513 May 2005


  • retrospective, dosimetry, niobium, neutron fluence, X-rays

ID: 180165