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

IF 1.5 3区 化学 Q3 CHEMISTRY, ANALYTICAL
Kelly N. Kmak, John D. Despotopulos, Tony L. Huynh, William M. Kerlin
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引用次数: 0

Abstract

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. 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).

基于talspeak的LN树脂从稀土元素中分离三价锕系元素
用LN树脂和乳酸缓冲溶液(含二乙烯三胺五乙酸)从稀土元素中分离241Am, 244Cm和249Cf。该洗脱方法基于TALSPEAK液-液萃取化学,提供了高收率(> 90%)、快速、简单的三价锕系元素与镧系元素的分离,这通常是具有挑战性的,因为三价f块元素之间的化学行为相似。这三种锕系元素都可以从稀土元素中分离出来,包括从无质量裂变产物样品和含有少量(~ 1-5 mg)稳定镧系元素的样品中分离出来。在无质量样品中,锕系元素和镧系元素洗脱液之间没有可检测到的重叠,并且在具有高质量分离因子的样品中可以实现分离(Am/Eu: 171;Am / La: 106)。
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来源期刊
CiteScore
2.80
自引率
18.80%
发文量
504
审稿时长
2.2 months
期刊介绍: An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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