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Journal Articles Journal of Electroanalytical Chemistry Year : 1992

Electrohydrodynamic impedance study of anodically formed salt films on iron in chloride solutions

A.C. West
  • Function : Author
R.-D. Grimm
  • Function : Author
D. Landolt
  • Function : Author

Abstract

The effect of applied potential and disk rotation speed on the electrohydrodynamic (EHD) impedance of mass-transfer-limited iron dissolution into a 4.0 M FeCl2 electrolyte is presented. The results are interpreted with a model of a duplex film whose growth rate is limited by the flux of chloride ions at the solution—film interface. A combination of EHD impedance and a.c. impedance measurements allows for the determination of both the porosity and thickness of the outer, porous layer.

Dates and versions

hal-04549269 , version 1 (17-04-2024)

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A.C. West, R.-D. Grimm, D. Landolt, Claude Deslouis, Bernard Tribollet. Electrohydrodynamic impedance study of anodically formed salt films on iron in chloride solutions. Journal of Electroanalytical Chemistry, 1992, 330 (1-2), pp.693-706. ⟨10.1016/0022-0728(92)80337-4⟩. ⟨hal-04549269⟩
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