Kinetics of the exchange reaction between neodymium (III) transcyclohexanediamine tetraacetate and aquo-ions of europium (III) and holmium (III) in H2O and D2O solutions

  • S. I. Nikitenko
  • L. N. Martynenko
  • N. I. Pechurova
  • V. I. Spitsyn
Inorganic Chemistry
  • 15 Downloads

Conclusions

  1. 1.

    Electrophilic substitution in the systems NdD−Eu3+, NdD−Ho3+ (D4− is cyclohexanediamine tetraacetate) is brought about by a dissociative mechanism catalyzed by protons and by a spontaneous dissociation mechanism. The decomposition of an intermediate protonated complex limits exchange by an acid-catalyzed mechanism.

     
  2. 2.

    An associative mechanism for electrophilic exchange is not realized in the systems studied.

     

Keywords

Europium Exchange Reaction Neodymium Holmium Electrophilic Substitution 

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Copyright information

© Plenum Publishing Corporation 1984

Authors and Affiliations

  • S. I. Nikitenko
    • 1
  • L. N. Martynenko
    • 1
  • N. I. Pechurova
    • 1
  • V. I. Spitsyn
    • 1
  1. 1.M. V. Lomonosov Moscow State UniversityUSSR

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