Intercalibration of selected anthropogenic radionuclides for the GEOTRACES Program

Publication: Research - peer-reviewJournal article – Annual report year: 2012

  • Author: Kenna, Timothy C.

    Lamont-Doherty Earth Observatory, United States

  • Author: Masqué, Pere

    Universitat Autònoma de Barcelona, Spain

  • Author: Mas, Jose Luis

    Universitat Autònoma de Barcelona, Spain

  • Author: Camara-Mor, Patricia

    Universitat Autònoma de Barcelona, Spain

  • Author: Camizo, Elena

    Universitat Autònoma de Barcelona, Spain

  • Author: Scholten, Jan

    International Atomic Energy Agency , Monaco

  • Author: Eriksson, Mats

    International Atomic Energy Agency , Monaco

  • Author: Sanchez-Cabeza, Joan-Albert

    International Atomic Energy Agency , Monaco

  • Author: Gastaud, Janine

    International Atomic Energy Agency , Monaco

  • Author: Levy, Isabelle

    International Atomic Energy Agency , Monaco

  • Author: Herrmann, Jürgen

    Bundesamt fur Seeschifffahrt und Hydrographie, Germany

  • Author: Lindahl, Patric

    Korea Ocean Research and Development Institute, Korea, Republic of

  • Author: Hong, Gi-Hoon

    Korea Ocean Research and Development Institute, Korea, Republic of

  • Author: Nielsen, Sven Poul

    Radioecology and Tracer Studies, Center for Nuclear Technologies, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark

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As part of the GEOTRACES Program, six laboratories participated in an intercalibration exercise on several anthropogenic radionuclides of interest. The effort was successful for 239,240Pu activity, 240Pu/239Pu isotope ratio, and 137Cs activity measured in filtered seawater samples from the Bermuda Atlantic Time Series station (BATS) and a site on the continental slope of the Northeastern U.S. A limited number of analyses were reported for 237Np, 241Am, 90Sr, and 238Pu in filtered seawater. Intercalibration of any of the isotopes of interest in filtered particulate matter was unsuccessful due to insufficient size of the samples distributed. Methods used were based on traditional radio-counting techniques and inductively coupled plasma mass spectrometry (ICP-MS). Although the majority of analyses were performed on samples ≥ 60 L, one lab demonstrated the ability to analyze several of the anthropogenic radionuclides on 10-20 L sample volumes using ICP-MS.

Original languageEnglish
JournalLimnology and Oceanography: Methods
Publication date2012
Volume10
Pages590–607
ISSN1541-5856
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 2
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