Chinese Journal of Applied Chemistry ›› 1993, Vol. 0 ›› Issue (4): 18-21.

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SYNERGISTIC EXTRACTION OF URANIUM(Ⅵ)WITH ASYMMETRIC SULFOXIDES AND 1,10-BIS(1′-PHENYL-3′-METHYL-5′-OXOPYRAZOL-4′-YL)-1,10-DECANEDIONE

Xiang Xinwen, Liu Sonsyu   

  1. Department of Chemistry, Yunnan University, 650091 Kunming
  • Received:1992-08-10 Revised:1992-12-01 Published:1993-08-10 Online:1993-08-10

Abstract: The synergistic extraction of uranium (Ⅵ) by 1,10-bis (1′-phenyl-3′-methyl-5′-oxopyra-zol-4′-y1)-1, 10-decanedione(H2A) and some asymmetric sulfoxides (n-butyloctyl-,n-pentylhexyl-,and ethyl-n-dodecyl sulfoxide,n-BOSO,n-PHSO, and n-EDSO, respectively) has been studied, By using slope analysis method the formula of the extraction complexes were shown to be UO2A·B(Brepresents sufoxide). The synergistic extraction eqilibrium constants were calculated. The solid extracted complexes have been characterized by elemental analyses, UV and IR spectroscopy.

Key words: bis-β-dione, asymmetric sulfoxide, uranium(Ⅵ), synergistic extraction