Anionic Surfactant as a Corrosion Inhibitor for Synthesized Ferrous Alloy in Acidic Solution

Table 5

Electrochemical parameters deduced by EIS in the absence and presence of various concentrations of SDBS.

[SDBS](mol/L)	𝐸corr; (mV/ESS)	𝑅𝑡; (Ω·cm^2)	𝐶dl; (mF·cm^−2)	%𝐸	𝜃
0	−925	25.61	0.31	/	/
10^−3	−923	34.00	0.33	25	0.25
10^−2	−933	39.00	0.29	34	0.34
2⋅10^−2	−957	69.00	0.25	63	0.63
4⋅10^−2	−935	46.00	0.27	44	0.46