Pyrite Passivation by Triethylenetetramine: An Electrochemical Study

Table 2

Electrochemical polarization parameters and the corresponding inhibition efficiencies for pyrite coated with different concentrations of TETA.

Concentration of TETA (%)	𝐸corr; (mV/SCE)	𝛽𝑐; (decade 𝑉^−1)	𝛽𝑎; (decade 𝑉^−1)	𝑗corr; (mA cm^−2)	𝜂; (%)
0%	253	9.59	7.44	0.0426	—
1%	226	8.82	6.73	0.0247	42.08
2%	206	7.91	5.96	0.0183	57.04
3%	187	7.72	5.23	0.0131	69.24
5%	100	7.70	4.53	0.0081	80.98