Research Article
A Characteristic Investigation of Aminocyclohexane-N′-methylurea as a Corrosion Inhibitor for Mild Steel in 1 N
Table 5
Corrosion parameters of mild steel in 1 N H2SO4 with ACMU by potentiodynamic polarisation method.
| | S. No. | Concentration of ACMU (N) | (V) |
Tafel slopes (mV/dec) | (μA/cm2) | Inhibition efficiency (%) | | ba | bc |
| | 1 | Blank |
−0.459
|
74.6
|
64.8
|
1805.0
| — | | 2 | 0.001 |
−0.462
|
100.2
|
77.9
|
277.0
| 84.65 | | 3 | 0.005 |
−0.468
|
94.9
|
75.0
|
257.3
| 85.75 | | 4 | 0.010 |
−0.467
|
99.9
|
79.8
|
220.7
| 87.77 | | 5 | 0.015 |
−0.473
|
102.7
|
77.7
|
210.3
| 88.37 | | 6 | 0.020 |
−0.470
|
110.6
|
75.7
|
198.0
| 89.03 |
|
|
