Studies on Synergistic Extraction of Rare Earths(Ⅲ) with HBTMPTP and Primary Amine N1923

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (2): 177.

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Studies on Synergistic Extraction of Rare Earths(Ⅲ) with HBTMPTP and Primary Amine N1923

KONG Wei¹, WANG Chun¹, LI De-Qian¹, ZHANG Xiu-Ying², WANG Chao-Min²

1. Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022;
2. Department of Chemistry, He'nan Normal University, Xinxiang, 453002

Received:1996-01-22 Online:1997-02-24 Published:1997-02-24

Abstract

Abstract: The synergistic extraction of rare earths (Ⅲ) with binary systems containing HBTMPTPand primary amine N1923 from sulfuric acid medium was observed. The synergistic extraction factor(R) decreased with increasing atomic number of lanthanides.Through the methods of slope analysis, constant mole and saturation titration, the synergistic extraction stoichiometry was obtained.The thermodynamic function was calculated.The IRspectra of the saturated synergistic extraction completely confirmed the mechanism.

Key words: HBTMPTP, Primary amine N1923, Rare earths(Ⅲ), Synergistic extraction

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KONG Wei, WANG Chun, LI De-Qian, ZHANG Xiu-Ying, WANG Chao-Min. Studies on Synergistic Extraction of Rare Earths(Ⅲ) with HBTMPTP and Primary Amine N1923[J]. Chem. J. Chinese Universities, 1997, 18(2): 177.

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[4]	GAO Zi-Li, JIA Yong-Fen, SUN Si-Xiu, FENG Da-Cheng, SHEN Jing-Lan. Extraction Equilibria of Hydrochloric Acid with Primary Amine N1923 in Various Diluents [J]. Chem. J. Chinese Universities, 1994, 15(10): 1439.
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[6]	Jiang Dehua, Wang Boyong, Shen Jinglan . Studies on the Synergistic Extraction of Gold( Ⅲ) with N₁₉₂₃ and Ph₃PO [J]. Chem. J. Chinese Universities, 1990, 11(1): 75.
[7]	Peng Qixiu, Shi Xiukun, Wu Ming, Gao Hongcheng . Investigation of Complex Reaction Between Extractant Molecules by Dielectric Measurements [J]. Chem. J. Chinese Universities, 1989, 10(6): 561.
[8]	Wang Zhitang, Li Shengchong. The Study of Synergistic Extractive System of RE(Ⅲ) Ions with HPMBP-TPhPO [J]. Chem. J. Chinese Universities, 1989, 10(4): 412.
[9]	Sun Sixiu, Gao Zili, Gai Huifa, Liu Yuanjun, Shen Jinglan . The Extraction Kinetics of Cobalt (Ⅱ) Thiocyanate with Primary Amine N1923 by Growing Drop Method [J]. Chem. J. Chinese Universities, 1989, 10(4): 431.
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Studies on Synergistic Extraction of Rare Earths(Ⅲ) with HBTMPTP and Primary Amine N1923

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