Table 7 Schiff base and metal complexes corrosion parameters.
|  | Concentration (ppm) | Icorr (μA cm−2) | Ecorr (mV) | CR (mpy) | IE (%) |
|---|---|---|---|---|---|
Blank |  | 35.42 | − 617 | 16.36 |  |
Schiff base | 10 | 34.55 | − 476 | 15.96 | 15.38 |
Iron complex | 31.67 | − 554 | 14.63 | 15.47 | |
Cobalt complex | 34.38 | − 504 | 15.89 | 15.39 | |
Nickel complex | 31.04 | − 554 | 14.34 | 15.48 | |
Copper complex | 30.74 | − 587 | 14.20 | 15.49 | |
Schiff base | 20 | 33.5 | − 473 | 15.47 | 15.41 |
Iron complex | 29.31 | − 536 | 13.54 | 15.53 | |
Cobalt complex | 33.17 | − 499 | 15.32 | 15.42 | |
Nickel complex | 27.44 | − 600 | 12.68 | 15.59 | |
Copper complex | 26.93 | − 582 | 12.44 | 15.60 | |
Schiff base | 30 | 32.41 | − 467 | 14.97 | 15.44 |
Iron complex | 28.02 | − 558 | 12.94 | 15.57 | |
Cobalt complex | 31.75 | − 512 | 14.66 | 15.46 | |
Nickel complex | 26.26 | − 573 | 12.13 | 15.62 | |
Copper complex | 25.91 | − 588 | 11.97 | 15.63 | |
Schiff base | 40 | 30.83 | − 493 | 14.24 | 15.49 |
Iron complex | 26.67 | − 566 | 12.32 | 15.61 | |
Cobalt complex | 29.70 | − 519 | 13.72 | 15.52 | |
Nickel complex | 25.24 | − 573 | 11.66 | 15.65 | |
Copper complex | 25.13 | − 599 | 11.61 | 15.65 |
