Extraction of hetero polyanions, P2W17O6110-, P2W18O626-, SiW11O398- by TBP

被引：11

作者：

Asakura, T ^{[1
]}

Donnet, L ^{[1
]}

Picart, S ^{[1
]}

Adnet, JM ^{[1
]}

机构：

[1] CEA Marcoule, Direct Cycle Combustible, Dept Rech Retraitement & Vitrificat, Lab Procedes Houte Act,Lab Chim Actinides, F-30207 Bagnols Sur Ceze, France

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2000年 / 246卷 / 03期

关键词：

Ionic strength - Silicon compounds;

D O I：

10.1023/A:1006795929703

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Hetero polyanions, namely, P2W17O6110-, P2W18O626- and SiW11O398- were extracted by TBP/dodecane from HNO3 or I-ICI solution, as H10P2W17O61 in the case of P2W17O6110-. The distribution ratio of P2W17O6110- depended on both H+ concentration and ionic strength of aqueous solution, and free-TBP concentration in organic solution. Experimental equation was established for predicting the distribution ratio of P2W17O6110- in nitrate system.

引用

页码：651 / 656

页数：6

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