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  • 1 Atomic Energy Authority Nuclear Chemistry Department, Nuclear Research Center P. O. Code 13759 Cairo (Egypt)
  • 2 Atomic Energy Authority Hot Laboratory Center Cairo (Egypt)
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The equilibrium and rate of solvent extraction of zinc chloride complexes from HCl solutions into benzene solutions of tributyl phosphate (TBP) have been studied. The extracted species are discussed in the light of the results. The extraction was found to be first order with respect to both Zn(II) and TBP, and zero order for HCl. The rate-controlling steps are discussed and the rate constants for these reactions are calculated.