Extraction of U(VI) with N,N′-dimethyl-N,N′-dioctylmalonamide from nitrate media

被引：0
|
作者：
Yu Cui
Yufen Hu
Yanju Zhang
Shaohong Yin
Guoxin Sun
机构：
[1] University of Jinan,School of Chemistry and Chemical Engineering
来源：
Russian Journal of Inorganic Chemistry | 2010年 / 55卷
关键词：
Distribution Ratio; Nitric Acid Solution; Sodium Nitrate; Diamide; Uranyl Nitrate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The extraction of uranyl nitrate with the novel extractant N,N′-dimethyl-N,N′-dioctylmalonamide (DMDOMA) from aqueous sodium nitrate (and nitric acid) was investigated. The extraction mechanism was established and the stoichiometry of the main extracted species confirms to UO2(NO3)2 · DMDOMA. The IR spectral study was also made of the extracted species. Methyl substituent improves the extraction ability of malonamide for U(VI) compared with that of N,N,N′,N′-tertrabutylmalonamide (TBMA).
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页码：468 / 471
页数：3
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