Inhibiting Effects of Rabeprazole Sulfide on the Corrosion of Mild Steel in Acidic Chloride Solution

Table 5

Electrochemical impedance parameters of mild steel in 1 M HCl containing different concentrations of RS.

𝐶 (mM)	𝑅ct (Ω cm^2)	𝑄 (𝜇Ω^−1 S^𝑛 cm^−2)	𝑛	𝐶dl; (𝜇F cm^−2)	𝜂𝑧 (%)
Blank	85	115.20	0.863	55.27
0.05	209.3	92.14	0.870	50.97	59.33
0.1	254.8	89.09	0.864	49.12	66.67
0.5	498.2	73.24	0.856	41.98	82.93
1.0	829.6	31.62	0.877	18.96	89.76