Title: Determination of U, Pu and Am isotopes in Irish Sea sediment by a combination of AMS and radiometric methods
Citation: JOURNAL OF ENVIRONMENTAL RADIOACTIVITY vol. 102 no. 4 p. 331 - 335
Publication Year: 2011
JRC N°: JRC62306
ISSN: 0265-931X
URI: http://www.sciencedirect.com/science/article/pii/S0265931X11000051
DOI: 10.1016/j.jenvrad.2011.01.004
Type: Articles in periodicals and books
Abstract: Samples from a marine sediment core from the Irish Sea (54.416 N, 3.563 W) were analyzed for the isotopic composition of uranium, plutonium and americium by a combination of radiometric methods and AMS. The radiochemical procedure consisted of a Pu separation step by anion exchange, subsequent U separation by extraction chromatography using UTEVA® and finally Am separation with TRU® Resin. Additionally to radiometric determination of these isotopes by alpha spectrometry, the separated samples were also used for the determination of 236U/238U and plutonium isotope ratios by Accelerator Mass Spectrometry (AMS) at the VERA facility. Keywords: Sellafield, sediment samples, 236U/238U, 240Pu/239Pu, 242Pu/239Pu
JRC Directorate:Nuclear Safety and Security

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