Computational, Kinetics, and Corrosion Protection Aspects of Electrodeposited Poly(Salicylic Acid) Coatings as a Corrosion Inhibitor for Mild Steel

Table 6

Equivalent circuit parameters for a mild steel electrode after immersion for 1 hr in a stagnant naturally aerated solution of 1 M H₂SO₄ at different concentrations of PSA at 25 C.

PSA concentration	Rs ∕ Ω.cm^2	Rp (kΩcm^2)	Cdl/μFcm^−2
Blank	143.1	0.183	34.8
20 ppm	142.1	0.308	25.8
50 ppm	144.4	0.313	32.1
100 ppm	152.0	0.326	19.5