Isolation of lanthanides from spent nuclear fuel by means of high performance ion chromatography (HPIC) prior to mass spectrometric analysis

被引：0
作者：
Karen Van Hoecke
Jakob Bussé
Mireille Gysemans
Lesley Adriaensen
Andrew Dobney
Thomas Cardinaels
机构：
[1] Belgian Nuclear Research Centre (SCK·CEN),Institute for Nuclear Materials Science
[2] KU Leuven,Department of Chemistry
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2017年 / 314卷
关键词：
Spent nuclear fuel; High performance ion chromatography; Burnup; Inductively coupled plasma-mass spectrometry; Alpha-hydroxyisobutyric acid; Lanthanides;
D O I：
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中图分类号：
学科分类号：
摘要：
Pure and complete fractions of neodymium, samarium, europium, gadolinium and dysprosium were isolated by means of high performance ion chromatography, using a cation exchange column and gradient elution with alpha-hydroxyisobutyric acid solutions (α-HIBA). Intermediate precision and robustness of the isolation method was investigated, identifying eluent pH as the most important parameter. Investigation of the elution behaviour of the most important fission and activation products and actinides indicated that preventing the accumulation of cesium on the cation exchange column required further isocratic elution with a higher concentrated α-HIBA solution after elution of the lanthanides. A sample matrix free of carbon was achieved by means of acid digestion, followed by UV photo-oxidation, resulting in samples suitable for mass spectrometric analysis.
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页码：1727 / 1739
页数：12
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