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Rapid separation and determination of 107Pd in radioactive waste produced during NPP A-1 decommissioning

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Abstract

Procedure for 107Pd determination in radioactive wastes coming from decommissioning of NPP A-1 is proposed and verified. 107Pd was separated and purified by Pd precipitation with dimethylglyoxime (DMG) and/or ferric hydroxide precipitation. 107Pd yield was determined gravimetrically by weighing the Pd(DMG)2 precipitate. 107Pd counting was performed using liquid scintillation counter (LSC-TDCR) and scintillation cocktail Hionic Fluor. In all analyzed samples the determined activities of 107Pd were lower than MDA. Nevertheless such analyses permit the decision concerning the storage of solidified wastes in the Mochovce regional repository.

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Acknowledgments

Financial support by the Ministry of Industry and Trade of the Czech Republic under Contract No. FR-TI3/245 is gratefully acknowledged.

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Authors and Affiliations

  1. WERT s.r.o., Jerichova 4, 917 01, Trnava, Slovakia

    Boris Andris & Miroslav Pražský

  2. Department of Nuclear Chemistry, Czech Technical University in Prague, Břehová 7, 115 19, Prague 1, Czech Republic

    Ferdinand Šebesta

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  1. Boris Andris
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  2. Miroslav Pražský
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  3. Ferdinand Šebesta
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Correspondence to Ferdinand Šebesta.

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Andris, B., Pražský, M. & Šebesta, F. Rapid separation and determination of 107Pd in radioactive waste produced during NPP A-1 decommissioning. J Radioanal Nucl Chem 304, 123–126 (2015). https://doi.org/10.1007/s10967-014-3707-8

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  • DOI: https://doi.org/10.1007/s10967-014-3707-8

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