ColPuS, a new multi-isotope plutonium standard for Accelerator Mass Spectrometry

Björn-Alexander Dittmann,Raffaele Buompane,Elena Chamizo,Marcus Christl,A. Dewald,Tibor J. Dunai, Claus Feuerstein,Keith Fifield,Michaela Fröhlich,S. Heinze,Fabio Marzaioli,Carsten Münker,Antonio Petraglia,Carmina Sirignano,Erik Strub,Hans-Arno Synal,Filippo Terrasi,S.G. Tims,A. Wallner

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2019）

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摘要

A new multi-isotope plutonium standard for isotopic ratio measurements with Accelerator Mass Spectrometry (AMS) was created by gravimetric mixing of different single-isotope standards provided by IRMM (Pu-239, Pu-240, Pu-242, Pu-244). This standard material has been measured at the AMS facilities at Canberra (Australia), Cologne (Germany), Caserta (Italy), Sevilla (Spain) and Zurich (Switzerland). Additionally, the material was characterized using a Neptune MC-ICPMS (multi-collector inductively coupled plasma mass spectrometry) at the joint Cologne-Bonn isotope facility. The results of this laboratory intercomparison are presented and consensus values for the isotope compositions of the standard material are proposed.

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关键词

AMS,Plutonium isotopic standard,Consensus value,MC-ICPMS

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