Mutual separation of heavy lanthanoid elements and yttrium by high-speed countercurrent chromatography

被引：13
|
作者：
Nakamura, S [1 ]
Hashimoto, H [1 ]
Akiba, K [1 ]
Saito, Y [1 ]
机构：
[1] SHIMADZU CO LTD,NAKAGYO KU,KYOTO 604,JAPAN
来源：
ANALYTICAL SCIENCES | 1997年 / 13卷 / 04期
关键词：
high-speed countercurrent chromatography; heavy lanthanoid; yttrium; organophosphonic acid ester; enrichment; separation;
D O I：
10.2116/analsci.13.525
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The mutual separation of heavy lanthanoid elements and yttrium was performed by high-speed countercurrent chromatography (CCC) provided with a multilayer coiled column containing a toluene solution of 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester. The rare-earth elements were chromatographically eluted by a mobile phase with a stepwise gradient of the acid concentration. The separation of rare-earth elements including yttrium after continuous-flow enrichment into the stationary phase from a large volume of a sample solution was also accomplished with sufficient resolution.
引用
收藏
页码：525 / 529
页数：5
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