Competitive complexation of solid lanthanide nitrates with tri-n-butyl phosphate in n-hexane

被引：0

作者：

Zhuangfei Wang

Tingting Liu

Xihong He

Liyang Zhu

Hui He

机构：

[1] China Institute of Atomic Energy,Department of Radiochemistry

[2] Harbin Engineering University,College of Nuclear Science and Technology

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2017年 / 311卷

关键词：

Lanthanide nitrate; n-Hexane; Separation factor; Competitive complexation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Competitive complexation of solid lanthanide nitrates with tri-n-butyl phosphate (TBP) in n-hexane was studied by spectroscopic methods. For light lanthanides binary system (Nd–Pr), they complexed with TBP equally, leading to a low separation factor. However, distinct different behavior was observed for light-heavy lanthanides binary system (Nd–Ho). Heavy lanthanide Ho(NO3)3·6H2O complexed preferentially with TBP, resulting in a much higher separation factor. The separation factor was low during H2O stripping of lanthanides from their complexes in n-hexane, even thought, the tendency of stripping more light lanthanide was also observed.

引用

页码：483 / 489

页数：6

共 13 条

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