Studies of extraction mechanism of rare earth elements with 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester II: Equilibrium reaction for extraction of erbium (III) from sulphuric acid solution by HEH (EHP)

Acta Chimica Sinica ›› 1988, Vol. 46 ›› Issue (5): 492-495. Previous Articles Next Articles

Original Articles

2-乙基己基膦酸单(2-乙基己基)酯萃取稀土元素机理的研究 II: HEH(EHP)从硫酸溶液中萃取Er(III)的平衡反应

李德谦;王忠怀;陈志夫

中国科学院长春应用化学研究所

发布日期:1988-05-15

Studies of extraction mechanism of rare earth elements with 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester II: Equilibrium reaction for extraction of erbium (III) from sulphuric acid solution by HEH (EHP)

LI DEQIAN;WANG ZHONGHUAI;CHEN ZHIFU

Published:1988-05-15

Abstract

The partition equilibrium of Er(III) between H2SO4 and HEH(EHP) (2-ethylhexyl 2-ethylhexylphosphonate) (HL) in octane was studied. The extration reactions of Er(III) were determine at different acidities. The solid complex of ErL3.mH2O species was isolated. The IR and NMR spectra of the extracted complex were determine

Key words: RARE EARTH SERIES, SULFURIC ACID, EXTRACTION, EXTRACTION EQUILIBRIUM, OCTANE, ETHYLHEXYL PHOSPHONIC ACID MONOETHYL HEXYLESTER, ERBIUM

CLC Number:

O614

Cite this article

LI DEQIAN;WANG ZHONGHUAI;CHEN ZHIFU. Studies of extraction mechanism of rare earth elements with 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester II: Equilibrium reaction for extraction of erbium (III) from sulphuric acid solution by HEH (EHP)[J]. Acta Chimica Sinica, 1988, 46(5): 492-495.

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2-乙基己基膦酸单(2-乙基己基)酯萃取稀土元素机理的研究 II: HEH(EHP)从硫酸溶液中萃取Er(III)的平衡反应

Studies of extraction mechanism of rare earth elements with 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester II: Equilibrium reaction for extraction of erbium (III) from sulphuric acid solution by HEH (EHP)

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