LIQUID MEMBRANE-TRANSPORT OF LANTHANOID ELEMENTS USING ORGANOPHOSPHINIC ACID

被引：6

作者：

NAKAMURA, S

TAKEYASU, M

AKIBA, K

机构：

[1] Institute for Advanced Materials Processing, Tohoku University, Sendai, 980-77, Katahira-2, Aoba-ku

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1994年 / 181卷 / 02期

关键词：

D O I：

10.1007/BF02037634

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Transport of La, Nd, Eu, Tb, Tm and Lu through a supported liquid membrane (SLM) was investigated by using di(2,4,4-trimethylpentyl)phosphinic acid (DTMPPA) as a mobile carrier. Lanthanoid elements in the feed solution were quantitatively transported and concentrated into the product solution of mild acidity. The transport rates increased with increasing atomic number of lanthanoids in the low pH region of the feed solution. Separation factors evaluated from the transport rates for lanthanoids were close to those from the distribution ratios in liquid-liquid extraction.

引用

页码：281 / 289

页数：9

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