Journal of Radioanalytical and Nuclear Chemistry

, Volume 267, Issue 1, pp 247–249 | Cite as

Stability of the valinomycin - lithium complex in nitrobenzene saturated with water

  • E. Makrlík
  • P. Vaňura


From extraction experiments and γ-activity measurements, the extraction constant corresponding to the equilibrium Li+(aq)+NaL+(nb) ↔LiL+(nb)+Na+(aq) taking place in the two-phase water-nitrobenzene system (L = valinomycin; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as logK ex(Li+,NaL+)=-1.1. Further, the stability constant of the valinomycin-lithium complex species in nitrobenzene saturated with water was calculated: logβ nb(LiL+)=6.3.


Physical Chemistry Lithium Inorganic Chemistry Aqueous Phase Stability Constant 
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Copyright information

© Springer-Verlag/Akadémiai Kiadó 2005

Authors and Affiliations

  • E. Makrlík
    • 1
  • P. Vaňura
    • 2
  1. 1.Faculty of Applied Sciences, University of West Bohemia
  2. 2.Prague Institute of Chemical Technology

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