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Citation: Chai Jinling, Li Wenhua. Diluent Effect on the Extraction of Lanthanum (Ⅲ) by HDEHP from Nitrate Solution[J]. Chinese Journal of Applied Chemistry, ;1994, 11(3): 2-61. shu

Diluent Effect on the Extraction of Lanthanum (Ⅲ) by HDEHP from Nitrate Solution

Chai Jinling ,
Li Wenhua

1.
Department of Chemistry, Shandong Normal University, Jinan 250014

Received Date: 8 April 1993
Available Online: 29 January 1994

The distribution equilibria of La (Ⅲ) between aqueous nitrate solution and HDEHP in the presence of various diltuents have been studied at 298K,The extraction equilibrium constants decrease in the following order of diluents:n-hexane,cyclohexane,carbon tetrachloride,toluene,chloroform,methyl isobutyl ketone.Diluent effect on the equilibrium constants is discussed.
- extraction,
- lanthanum,
- di-(2-ethylhexyl)phosphate,
- diluent effect
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