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Extraction Theory and Form of the Extraction Complex of Terbium, Erbium, Ytterbium, and Lutecium in the Synergistic System Kerosene/HTTA/TBP/Dilute HNO3

 

作者: IreneH. Gerow,   J.G. Hayden,   K. Gaggar,   M.W. Davis,  

 

期刊: Separation Science  （Taylor Available online 1977）
卷期: Volume 12, issue 5  

页码: 511-527

 

ISSN:0037-2366

 

年代: 1977

 

DOI:10.1080/00372367708068464

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Analysis of extensive distribution data taken in the synergistic system kerosene/HTTA/TBP/dilute HNO3indicates that the rare earths terbium, erbium, ytterbium, and lutecium are extracted into the organic phase as M(NO3)(TTA)2(TBP)2. The thermodynamic stability constants for the four metals in the two-phase system have been calculated to be 41 ± 10, 26 ± 10, 19 ± 10, and 14 ± 10%, respectively.

 

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