Rapid americium separations from complex matrices using commercially available extraction chromatography resins

被引：2
作者：
Mahmoud, Joe [1 ]
Higginson, Matthew [2 ]
Gilligan, Christopher [2 ]
Thompson, Paul [2 ]
Livens, Francis [1 ]
Heath, Scott L. [3 ]
机构：
[1] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England
[2] AWE, Aldermaston RG7 4PR, England
[3] Univ Manchester, Dept Earth & Environm Sci, Manchester M13 9PL, Lancs, England
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
Americium; Curium; Separation; Extraction Chromatography; ACTINIDES; PRECONCENTRATION; LANTHANIDES; MEDIA; ACID;
D O I：
10.1007/s10967-022-08190-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method for rapid separation of americium from complex matrices by use of two commercially available extraction chromatography resins is reported. TRU resin is capable of purifying americium/lanthanides together from Group 1, Group 2 and transition metals. TRU resin tolerated high loadings of iron, aluminium, calcium sodium and potassium. TEVA resin purified americium/lanthanides by elution with ammonium thiocyanate. Decontamination factors > 20,000 were achieved within one working day. The affinity of TEVA resin for americium, curium and lanthanides as a function of ammonium thiocyanate concentration is reported. The possibility of americium/lanthanide separations on LN resin has been explored.
引用
收藏
页码：1353 / 1360
页数：8
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