Studies on Synergistic Extraction of Sc(Ⅲ)with HBTMPTP and Cyanex925

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (8): 1281.

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Studies on Synergistic Extraction of Sc(Ⅲ)with HBTMPTP and Cyanex925

WEI Zheng-Gui², LI De-Qian¹, WANG Chun¹, JIANG Zu-Cheng²

1. Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2. Department of Chemistry, Wuhan University, Wuhan 430072

Received:1996-07-11 Online:1997-08-24 Published:1997-08-24

Abstract

Abstract: The synergistic extraction of Sc (III) from H₂SO₄ solution with bis(2,4,4-trimethylpentyl)monothiophosphin acid (HBTMPTP, HL) and branched chain alkyl phos-phine oxide mixture (Cyanex 925, B) in n-hexane has been investigated. The results indicat-ed that synergistic effect was showed in low acidity(CH₂SO₄<0.25mol/L). The composition of the extracted complex of Sc (III) has been determined to be Sc (HL₂)₂B₃(SO₄)_1/2 by the method of slope analysis.

Key words: HBTMPTP, Cyanex925, Scandium, Synergistic extraction

CLC Number:

O658.3

TrendMD:

WEI Zheng-Gui, LI De-Qian, WANG Chun, JIANG Zu-Cheng . Studies on Synergistic Extraction of Sc(Ⅲ)with HBTMPTP and Cyanex925[J]. Chem. J. Chinese Universities, 1997, 18(8): 1281.

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Studies on Synergistic Extraction of Sc(Ⅲ)with HBTMPTP and Cyanex925

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