Extraction of cerium-group lanthanide(III) nitrates with trialkylbenzylammonium nitrate in toluene

被引：0

作者：

Pyartman, AK ^{[1
]}

Kovalev, SV ^{[1
]}

Keskinov, VA ^{[1
]}

机构：

[1] St Petersburg Technol Inst, St Petersburg, Russia

来源：

RADIOCHEMISTRY | 1997年 / 39卷 / 04期

关键词：

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Extraction of cerium-group lanthanide(III) nitrates (La-Gd) with trialkylbenzylammonium nitrate in toluene at 298.15 K and pH 2 was studied. Extraction isotherms are described with regard to formation of the compounds (R4N)(i)[Ln(NO3)(3+i)] (i = 2, 3 for Pr, Nd, Sm, Eu, and Gd; i = 3, 4 for La and Ce) in the organic phase. Extraction constants were calculated They decrease in the La-Gd series.

引用

页码：349 / 352

页数：4

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