Radioanalysis of ultra-low level radionuclides for environmental tracer studies and decommissioning of nuclear facilities

Xiaolin Hou*

*Corresponding author for this work

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    Abstract

    Determination of long-lived radionuclides is critical for environmental radioactivity investigation, environmental processes studies and decommissioning of nuclear facilities. This paper summarizes main progress in the radiochemical analysis in our laboratories in the past years for determination of ultra-low level radionuclides in the environment using chemical separation combined with mass spectrometry measurement. The analytical methods for determination of ultra-low level 129I and its chemical species in various environmental samples are highlighted. The methods developed in our laboratories for characterization of decommissioning waste, especially the methods for the determination of difficult-to-measure radionuclides using sequentially chemical separation and radiometric measurement are also briefly presented. This is also a part of the Hevesy Medal award lecture in the RANC2019 conference.
    Original languageEnglish
    JournalJournal of Radioanalytical and Nuclear Chemistry
    Volume322
    Issue number3
    Pages (from-to)1217–1245
    ISSN0236-5731
    DOIs
    Publication statusPublished - 2019

    Keywords

    • Radioanalytical methods for low-level radionuclides
    • Mass spectrometry
    • Speciation analysis
    • Environmental process tracing
    • Decommissioning

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