Current Flow Across the Interface

  • P. Vanýsek
Part of the Lecture Notes in Chemistry book series (LNC, volume 39)


When two immiscible solutions of electrolytes are in contact and in equilibrium, no net flow of charge occurs between the two phases. Only mutual exchange of ions responsible for determination of the Nernst potential takes place in a manner completely analogous to the situation typical for metal electrode immersed in solution of potential determining ions. The exchange of ions at equilibrium can be characterized by an exchange current, a quantity which is not important in Potentiometric equilibrium measurement, but has its significance when charge is being passed through the interface.


Hydration Number Transfer Rate Constant Nernst Potential Formal Rate Constant Outer Helmholtz Plane 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • P. Vanýsek
    • 1
  1. 1.Department of ChemistryNorthern Illinois UniversityDeKalbUSA

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