The effect of diluents on the extraction of Sm(III) using N, N, N’, N’-tetrabutylmalonamide | Zendy

Guoxin Sun | Zendy; Yu Cui | Zendy; Zhenwei Zhang | Zendy; Xu Rongqi | Zendy; Jiang Runtian | Zendy; Sixiu Sun | Zendy

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The effect of diluents on the extraction of Sm(III) using N, N, N’, N’-tetrabutylmalonamide

Author(s) -

Guoxin Sun,

Yu Cui,

Zhenwei Zhang,

Xu Rongqi,

Jiang Runtian,

Sixiu Sun

Publication year - 2004

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0409675s

Subject(s) - diluent , chemistry , extraction (chemistry) , cyclohexane , toluene , chloroform , benzene , octane , nitric acid , xylene , aqueous solution , nuclear chemistry , chromatography , inorganic chemistry , organic chemistry

A study has been made of the extraction of samarium(III) from nitrate solu- tions using N,N,N',N'-tetrabutylmalonamide (TBMA) in a series of diluents. The de- pendence of the extraction distribution on the concentrations of aqueous nitric acid, lith- ium nitrate and organic TBMA was investigated. The experimental results showed that the extraction efficiency of TMBA in different diluents for Sm(III) increases in the or- der: chloroform, carbon tetrachloride, benzene, xylene, toluene, cyclohexane, n-hexane, n-octane. The stoichiometry of the extracted species conform to Sm(NO3)3 . 3TBMA in all the employed diluents. The interaction between extractant or extracted species and diluent is discussed and a quantitative expression relating the extraction constant and the parameters of the diluent has been established.

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