Extraction Behavior and Separation of Lanthanides with a Diglycol Amic Acid Derivative and a Nitrogen-donor Ligand

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作者：
Kojiro Shimojo
Hirochika Naganawa
Junji Noro
Fukiko Kubota
Masahiro Goto
机构：
[1] Nuclear Science and Engineering Directorate,Division of Environment and Radiation Sciences
[2] Japan Atomic Energy Agency,Research Department
[3] NISSAN ARC,Department of Applied Chemistry, Graduate School of Engineering and Center for Future Chemistry
[4] LTD.,undefined
[5] Kyushu University,undefined
来源：
Analytical Sciences | 2007年 / 23卷
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摘要：
The extraction and separation of lanthanides have been investigated using CHON-type extractants, which are composed of only C, H, O, and N atoms. N,N-Dioctyldiglycol amic acid (DODGAA) showed high extraction and separation performances for heavier lanthanides compared with typical CHON-type extractants. On the other hand, N,N,N′,N′-tetrakis(2-pyridylmethyl)ethylenediamine (TPEN) provided an unprecedentedly high selectivity for lighter lanthanides. Furthermore, it was found that the combination of DODGAA and TPEN under suitable conditions enabled the mutual separation of light, middle, and heavy lanthanides.
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页码：1427 / 1430
页数：3
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