Table 2 Fitted electrochemical parameters deduced from PDP tests for for Carbon steel in H2S and 1M HCl co-existing solution without and with different concentrations of BMT at 293K.
Concentration (ppm) | Ecorr (V vs. SCE) | icorr (mA/cm2) | βa(mV/dec) | −βc(mV/dec) | η% |
|---|---|---|---|---|---|
0 | − 0.456 | 1.406 | 130.79 | 237.80 | – |
0.3 | − 0.437 | 0.227 | 95.173 | 137.09 | 83.8 |
0.6 | − 0.443 | 0.213 | 100.21 | 140.75 | 84.8 |
0.9 | − 0.425 | 0.201 | 88.78 | 123.93 | 85.7 |
3.0 | − 0.423 | 0.049 | 70.70 | 115.96 | 96.5 |
6.0 | − 0.415 | 0.041 | 67.41 | 118.22 | 97.1 |
9.0 | − 0.415 | 0.034 | 66.17 | 116.37 | 97.6 |
