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Updated: Aug 14, 2026

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Published on: May 25, 2016
Separation of radium and actinium using zirconia
1Chemical & Fuel Cycle Technologies Division, Argonne National Laboratory, 9700 S. Cass Ave, Lemont, IL, 60439, USA.
Abstract:
Zirconia was investigated as a radiation-resistant support for radium and actinium aqueous ion separations. Acetate and total metal ion concentrations were experimentally evaluated as factors that could affect retention using La and Ba surrogates. Pseudo-second order rate constants were derived and the uptake of La was determined to be endothermic. Elution profiles containing Ba, La, 228Ra, 228Ac, and 212Pb are presented and discussed.
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