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

Table 2

Tafel polarization parameters and corresponding inhibition efficiency for SS in 1M H₂SO₄ containing different concentrations of ACM at 293 K.

Conc.(M)	Ecorr(mV versus SCE)	icorr(μA/cm^2)	βc(mV/dec)	η(%)
Blank	−292	169.70	−147	—
5 × 10^−5	−319	66.75	−92	60.66
1 × 10^−4	−264	44.92	−116	73.53
5 × 10^−4	−272	34.77	−126	79.51
1 × 10^−3	−224	15.20	−89	91.04