Journal of Radioanalytical and Nuclear Chemistry

, Volume 270, Issue 2, pp 461–464 | Cite as

Liquid-liquid extraction of Th(IV) with Cyanex302

  • M. Karve
  • C. Gaur


Th(IV) was quantitatively extracted from 1 . 10-3M HNO3 using 1 . 10-3M Cyanex302 in xylene and was stripped from the organic phase with 5M HCl. The effect of different parameters affecting the extraction was systematically studied to achieve optimum conditions for the extraction of thorium. Based on the data some separations of thorium from binary and complex mixtures and its recovery from monazite sand were achieved. The method is reproducible with a relative standard deviation of 0.4%.


Thorium Phosphine Oxide Nitric Acid Concentration Phosphinic Acid TPPO 
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Copyright information

© Springer-Verlag/Akadémiai Kiadó 2006

Authors and Affiliations

  • M. Karve
    • 1
  • C. Gaur
    • 2
  1. 1.Department of Chemistry, University of Mumbai
  2. 2.Department of Chemistry, University of Mumbai

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