My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any suggested book would be appreciated.
The Nyquist plots slope variation depicts the film formation quality and passivation behavior.The lowest semicircle radii/Spectra indicates film formation propensity is poor.while increase in the diameter of slope indicates that it offers better resistance than the one with the low slope
Electrochemical Techniques in corrosion science and Engineering by Robert G.Kelly and John R. Scully book you can refer
Dear Huayuan Jiang ;
the Rs ohmic impedance resistance value can be obtained from the Bode plot of the electrochemical system at high-frequency horizontal intersections for the logarithmic impedance axes. Moreover, the values of log (Rs + Rct) can be obtained from the horizontal intersection of the log impedance axes with the impedance values at the lowest frequency.
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