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@ARTICLE{Richter:910815,
      author       = {Richter, Stephan and Truyens, J. and Venchiarutti, C. and
                      Aregbe, Y. and Middendorp, R. and Neumeier, S. and Kegler,
                      P. and Klinkenberg, M. and Zoriy, M. and Stadelmann, G. and
                      Macsik, Z. and Koepf, A. and Sturm, M. and Konegger-Kappel,
                      S. and Venzin, A. and Sangely, L. and Tanpraphan, T.},
      title        = {{C}ertification of the {F}irst {U}ranium {O}xide
                      micro-particle reference materials for {N}uclear {S}afety
                      and {S}ecurity, {IRMM}-2329{P} and {IRMM}-2331{P}},
      journal      = {Journal of radioanalytical and nuclear chemistry},
      volume       = {332},
      issn         = {0022-4081},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V.},
      reportid     = {FZJ-2022-04165},
      pages        = {2809–2813},
      year         = {2023},
      abstract     = {For nuclear safeguards purposes, two new uranium oxide
                      micro-particle isotope reference materials were certified,
                      IRMM-2329P and IRMM-2331P, with 235U enrichments of $3\%$
                      and $5\%,$ and 236U abundances of 30 µg·g1and 60 µg·g1,
                      respectively. The isotopic compositions of the base
                      materials were measured by TIMS. The production of the
                      uranium oxide particles was achieved using a vibrating
                      orifice aerosol generator (VOAG) and the particles deposited
                      on carbon planchets. Process control verification
                      measurements on dissolved uranium oxide particles were
                      performed by MC-ICPMS. For IRMM-2329P also the uranium
                      amount per particle was certified by TIMS/IDMS and verified
                      by MC-ICPMS/IDMS.},
      cin          = {IEK-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-6-20101013},
      pnm          = {1411 - Nuclear Waste Disposal (POF4-141) / IAEA GER SP -
                      Joint Programme on the Technical Development and Further
                      Improvement of IAEA Safeguards between the Government of the
                      Federal Republic of Germany and the International Atomic
                      Energy Agency (IAEA-19781005)},
      pid          = {G:(DE-HGF)POF4-1411 / G:(DE-Juel1)IAEA-19781005},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000777172000001},
      doi          = {10.1007/s10967-022-08255-8},
      url          = {https://juser.fz-juelich.de/record/910815},
}