Separation of gold from irradiated actinide material utilizing a 2- thenoyltrifluoroacetone extraction resin

Warzecha, Evan J.; Uhnak, Nicolas E.; Arnold, Ean S.; Hobbs, Kirby P.; Beck, Chelsie L.

doi:10.1016/j.chroma.2024.464992

Title: Separation of gold from irradiated actinide material utilizing a 2- thenoyltrifluoroacetone extraction resin

Journal Article · 11 May 2024 · Journal of Chromatography

DOI: https://doi.org/10.1016/j.chroma.2024.464992 · OSTI ID:2405905

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Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Post-detonation nuclear forensics capabilities depend on the ability to rapidly isolate radionuclides to improve measurement quality. In this work an extraction chromatography resin was developed utilizing the extractants thenoyltrifluoroacetone and 1-octanol supported on Eichrom prefilter resin. Here the resin was tested in nitric and hydrochloric acid matrices. In nitric acid matrices the resin is able to extract zirconium, while in hydrochloric acid matrices it is possible to extract iron and gallium. In all acid conditions tested gold is retained but can be removed from the column with a 10% thiourea rinse.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 2405905

Report Number(s):: PNNL-SA--190759

Journal Information:: Journal of Chromatography, Journal Name: Journal of Chromatography Vol. 1727; ISSN 0021-9673

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
extraction chromatography
gold
nuclear forensics

Title: Separation of gold from irradiated actinide material utilizing a 2- thenoyltrifluoroacetone extraction resin

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