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Extraction of plutonium(IV) from oxalic acid-nitric acid solutions by Aliquat-336

  • I. C. Pius
  • M. M. Charyulu
  • C. K. Sivaramakrishnan
  • S. K. Patil
Article

Abstract

The extraction of Pu(IV) from oxalic acid-nitric acid mixtures has been investigated using a liquid anion exchanger, Aliquat-336, in xylene. The presence of oxalic acid is known to have adverse effects on the extraction of Pu(IV) by Aliquat-336. The use of cations, Al(III), Fe(III) or Zr(IV) was explored to overcome the effect of oxalic acid on Pu(IV) extraction. The data obtained reveal that Pu(IV) is quantitatively extracted by Aliquat-336, even in the presence of oxalic acid, when Al(III), Fe(III) or Zr(IV) is added. The extracted Pu(IV) can be back-extracted using aqueous ammonium carbonate.

Keywords

Adverse Effect Ammonium Physical Chemistry Inorganic Chemistry Acid Solution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Akadémiai Kiadó 1994

Authors and Affiliations

  • I. C. Pius
    • 1
  • M. M. Charyulu
    • 1
  • C. K. Sivaramakrishnan
    • 1
  • S. K. Patil
    • 1
  1. 1.Fuel Chemistry DivisionBhabha Atomic Research CentreBombayIndia

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