Study of Synergistic Extraction of Rare Earth Elements(Ⅲ )with BTMPPA and HPMBP

Chinese Journal of Applied Chemistry ›› 1994, Vol. 0 ›› Issue (3): 49-53.

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Study of Synergistic Extraction of Rare Earth Elements(Ⅲ )with BTMPPA and HPMBP

Sun Jing, Li Deqian

Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinses Academy of Sciences, Changchun 130022

Received:1993-08-30 Revised:1993-12-22 Published:1994-06-10 Online:1994-06-10

Abstract

Abstract: The synergistic extraction of rare earth elemcnts(Ⅲ)including La,Nd,Gd,Er,Dy, Yb and Y from aqueous mineral acid (H₂SO₄,HCl,HNO₃,) with benzene solution of bis (2,4,4-trimethylpentyl) phosphinic acid (BTMPPA,HL) and 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 (HPMBP,hA) has been studied. The compositions of the extracted complexes and the mechanism of the synergistic extraction have been determined by the methods of slope and constant molarity. The equilibium constants have been calculated.

Key words: BTMPPA, HPMBP, rare earth element, synergistic extraction

Sun Jing, Li Deqian. Study of Synergistic Extraction of Rare Earth Elements(Ⅲ )with BTMPPA and HPMBP[J]. Chinese Journal of Applied Chemistry, 1994, 0(3): 49-53.

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Study of Synergistic Extraction of Rare Earth Elements(Ⅲ )with BTMPPA and HPMBP

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