TALSPEAK-based separation of the trivalent actinides from rare earth elements using LN resin

Kmak, Kelly N.; Despotopulos, John D.; Huynh, Tony L.; Kerlin, William M.

doi:10.1007/s10967-024-09965-x

TALSPEAK-based separation of the trivalent actinides from rare earth elements using LN resin

Journal Article · Sun Jan 05 19:00:00 EST 2025 · Journal of Radioanalytical and Nuclear Chemistry

DOI:https://doi.org/10.1007/s10967-024-09965-x· OSTI ID:2563023

^[1]; Despotopulos, John D. ^[1]; Huynh, Tony L. ^[1]; Kerlin, William M. ^[1]

Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

The separation of ²⁴¹Am, ²⁴⁴Cm and ²⁴⁹Cf from rare earth elements using LN resin and lactate buffer solutions with diethylenetriaminepentaacetic acid is described with numerous columns studies. The elutions are based on TALSPEAK liquid–liquid extraction chemistry, and provide high yield (> 90%), rapid, simple separations of the trivalent actinides from the lanthanides, which is often challenging due to similarities in chemical behavior among the trivalent f-block elements. Further, all three actinides can be separated from rare earth elements, including from massless fission product samples and samples with small amounts (~ 1–5 mg) of stable lanthanides. Separations with no detectable overlap between the actinide and lanthanide elutions is possible with massless samples, and in samples with mass high separation factors can be achieved (Am/Eu: 171; Am/La: 10⁶).

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 2563023

Report Number(s):: LLNL--JRNL-2000778

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 3 Vol. 334; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
Chemistry - Radiation chemistry, radiochemistry, and nuclear chemistry
DTPA
TALSPEAK
actinides
extraction chromatography
lanthanides

TALSPEAK-based separation of the trivalent actinides from rare earth elements using LN resin

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References (21)

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