On the determination of 36Cl and 129I in solid materials from nuclear decommissioning activities

Inés Llopart, Mirela Vasile, Andrew Dobney, Sven Boden, Michel Bruggeman, Martine Leermakers, Jixin Qiao, Phil Warwick

Research outputpeer-review


Determination of the 36Cl and 129I massic activities using pyrolysis combined with radiochemical separation (using a Clresin) in concrete and graphite samples from decommissioning waste originating from Belgian Reactor 3 and 1 (SCK CEN, Belgium), respectively, is described. Liquid scintillation counting is used for their quantifcation. The chemical recovery of the procedure was evaluated by determining the stable chlorine with ion chromatography and stable iodine with inductively coupled plasma mass spectrometry. The method was optimized and verifed by spiking inactive solid materials
Original languageEnglish
Pages (from-to)3313–3326
Number of pages14
JournalJournal of Radioanalytical and Nuclear Chemistry
StatePublished - 21 May 2022

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