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Russian Journal of Electrochemistry

, Volume 45, Issue 1, pp 29–37 | Cite as

An impedance study of Ir(210) in HCl solutions

  • T. PajkossyEmail author
  • D. M. Kolb
Article

Abstract

In the Ir(210)/aqueous HCl solution system the “hydrogen adsorption region” is due to the combined process of hydrogen and chloride ion adsorption. We demonstrate that by using impedance spectroscopy the rates of, and charges associated with, hydrogen and chloride adsorption rates can be determined separately.

Key words

adsorption double layer capacitance charge interface iridium 

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Copyright information

© Pleiades Publishing, Ltd. 2009

Authors and Affiliations

  1. 1.Institute of Materials and Environmental Chemistry, Chemical Reseach CenterHungarian Acadeny of SciencesBudapestHungary
  2. 2.Institute of ElectrochemistryUniversity of UlmUlmGermany

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