Synergisitic Extraction of Rare Earth (Ⅲ)by PT-2 and HPMBP

Chinese Journal of Applied Chemistry ›› 1995, Vol. 0 ›› Issue (3): 64-66.

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Synergisitic Extraction of Rare Earth (Ⅲ)by PT-2 and HPMBP

Sun Jing¹, Zheng Zhong¹, Li Deqian¹, Ye Weizhen²

1. Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Acadelny of Sciences, Changchun 130022;
2. Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai

Received:1994-11-30 Revised:1995-01-12 Published:1995-06-10 Online:1995-06-10

Abstract

Abstract: The synergistic extraction of rare earth(Ⅲ)including La, Nd,Y,Gd,Yb fromaqueous mineral acid solution(H₂SO₄,HCl, HNO₃by isopropyl phosphonic acid mono( 1-hexyl-4-ethyl)octyl ester(PT-2, HL)with 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5(HPMBP, HA)in benzeiie has been investigated.The compositions of the synergistic ex-tracted complexes and the equilibrium constants were determined and calculated respectively.The relationship between structures of the extractants and synergistic effects has been discussed.The mechanism of the synergistic extraction has been discussed also.

Key words: isopropyl phosphonic acid mono (hexyl-ethyl)octyl ester, phenyl methyl benzoylpyrazolone, rare earth(Ⅲ), synergistic extraction

Sun Jing, Zheng Zhong, Li Deqian, Ye Weizhen. Synergisitic Extraction of Rare Earth (Ⅲ)by PT-2 and HPMBP[J]. Chinese Journal of Applied Chemistry, 1995, 0(3): 64-66.

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Synergisitic Extraction of Rare Earth (Ⅲ)by PT-2 and HPMBP

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