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
收藏
页码：651 / 656
页数：6
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