Determination of U, Pu and Am isotopes in Irish Sea sediment by a combination of AMS and radiometric methods.

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 (236)U/(238)U and plutonium isotope ratios by Accelerator Mass Spectrometry (AMS) at the VERA facility.

journal_name

J Environ Radioact

authors

Srncik M,Hrnecek E,Steier P,Wallner G

doi

10.1016/j.jenvrad.2011.01.004

subject

Has Abstract

pub_date

2011-04-01 00:00:00

pages

331-5

issue

4

eissn

0265-931X

issn

1879-1700

pii

S0265-931X(11)00005-1

journal_volume

102

pub_type

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