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

Autor: Guoxin Sun, Shaohong Yin, Yanju Zhang, Yu Cui, Yufen Hu
Rok vydání: 2010
Předmět:
Zdroj: Russian Journal of Inorganic Chemistry. 55:468-471
ISSN: 1531-8613
0036-0236
Popis: 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).
Databáze: OpenAIRE