Synthesis, Electrochemical, Thermodynamic, and Quantum Chemical Investigations of Amino Cadalene as a Corrosion Inhibitor for Stainless Steel Type 321 in Sulfuric Acid 1M

Table 3

EIS parameters for SS in 1M H₂SO₄ containing different concentrations of ACM at 293 K.

Conc. (M)	Rs (Ω × cm^2)	Rct (kΩ × cm^2)	Cdl (μF/cm^2)	η (%)
Blank	0.22	2.17	81.35	—
5 × 10^−5	1.01	4.99	65.16	56.47
1 × 10^−4	0.97	6.40	73.61	66.06
5 × 10^−4	0.96	11.15	72.05	80.52
1 × 10^−3	1.03	16.93	46.46	87.17