Research Article
Pyrite Passivation by Triethylenetetramine: An Electrochemical Study
Table 3
Parameters using the circuit
and the corresponding inhibition efficiencies for pyrite coated with different concentrations of TETA.
| | Concentration of TETA (%) | /Ω cm2 |
/10−3
S cm−2 | n | /Ω cm2 |
/10−3
S cm−2 | n | /10−4 | IE (%) |
| | 0 | 33.63 | 4.21 | 0.8 | 43.77 | 9.15 | 0.5 | 5.36 | — | | 1 | 31.04 | 1.24 | 0.8 | 76.91 | 5.70 | 0.5 | 2.14 | 43.09 | | 2 | 30.01 | 1.21 | 0.8 | 96.21 | 4.69 | 0.5 | 1.65 | 54.50 | | 3 | 30.56 | 1.41 | 0.8 | 154.3 | 3.89 | 0.6 | 4.02 | 71.63 | | 5 | 32.64 | 1.34 | 0.8 | 250.8 | 1.97 | 0.6 | 2.60 | 82.55 |
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