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|Title:||Determination of U, Pu and Am isotopes in Irish Sea sediment by a combination of AMS and radiometric methods|
|Authors:||SRNCIK Michaela; HRNECEK Erich; STEIER P.; WALLNER G.|
|Citation:||JOURNAL OF ENVIRONMENTAL RADIOACTIVITY vol. 102 no. 4 p. 331 - 335|
|Publisher:||ELSEVIER SCI LTD|
|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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