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Electrochemical Admittance

Last updated: August 5, 2020

What Does Electrochemical Admittance Mean?

Electrochemical admittance is the reciprocal of electrochemical impedance (I/E), which is a measure of the ability of a circuit to resist the flow of electrical current (E/I). Electrochemical impedance is similar to resistance in electric circuits.

Electrochemical admittance is useful in determining corrosion currents.

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Corrosionpedia Explains Electrochemical Admittance

Electrochemical admittance is related to electrochemical parameters and can be used to obtain information about:

  • Electrode kinetics
  • Corrosion currents
  • Electro-sorption

Electrochemical admittance is represented by the following equation:

equation for electrochemical admittance (ECA)

Thus, corrosion currents can be calculated by measuring the admittance (ΔI/ΔE) from the above equation.

Measurement of electrochemical impedance is now favored over electrochemical admittance.

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Synonyms

Icorr

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CorrosionCorrosion TestingCorrosive ProcessElectrochemical PropertyElectrical Property

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