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dc.contributor.authorVARGA ZSOLTen_GB
dc.contributor.authorKRACHLER MICHAELen_GB
dc.contributor.authorNICHOLL ADRIANen_GB
dc.contributor.authorERNSTBERGER MARKUSen_GB
dc.contributor.authorWISS THIERRYen_GB
dc.contributor.authorWALLENIUS MARIAen_GB
dc.contributor.authorMAYER KLAUSen_GB
dc.date.accessioned2018-06-15T00:04:42Z-
dc.date.available2018-06-13en_GB
dc.date.available2018-06-15T00:04:42Z-
dc.date.created2018-06-08en_GB
dc.date.issued2018en_GB
dc.date.submitted2017-11-29en_GB
dc.identifier.citationJOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY vol. 33 no. 6 p. 1076-1080en_GB
dc.identifier.issn0267-9477en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC109284-
dc.description.abstractA multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) coupled to a 213 nm ns-laser was used to measure uranium isotope ratios (234U/238U, 235U/238U, and 236U/238U) in six solid nuclear certified reference materials (CRMs). The powdered CRMs, containing depleted, natural and low enriched uranium (U), were pressed into pellets, for straightforward handling of the nuclear material. Being analysed without dissolution, the experimental U isotope ratios of the solid materials were in good agreement with the corresponding certified values. The measured U isotope ratios in the samples were corrected for mass bias using a pelletised CRM containing nominally 2% enriched 235U. Scanning electron microscopy investigations of an actual sample from which material was previously ablated revealed that only 5 ng of sample is consumed during a single measurement. As such laser ablation MC-ICP-MS can be regarded as quasi-non-destructive and therefore is an ideal technique for the rapid but still accurate and precise determination of the uranium isotopic composition in solid samples for nuclear safeguards and forensic purposes. The proposed analytical procedure essentially assists the characterisation of the illicit nuclear material for hazard and origin assessment. Moreover, as the sample is also an evidence, it can be analysed with further techniques.en_GB
dc.description.sponsorshipJRC.G.II.6-Nuclear Safeguards and Forensicsen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherROYAL SOC CHEMISTRYen_GB
dc.relation.ispartofseriesJRC109284en_GB
dc.titleAccurate measurement of uranium isotope ratios in solid samples by laser ablation multi-collector inductively coupled plasma mass spectrometryen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1039/c8ja00006aen_GB
JRC Directorate:Nuclear Safety and Security

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