Research Article
Electrochemical and Surface Morphological Studies of Carbon Steel Corrosion by a Novel Polynuclear Schiff Base in HCl Solution
Table 4
Potentiodynamic and linear polarization parameters of CS specimens in 1 M HCl at 30°C in the absence and presence of A9Y5GPA.
| Tafel data | Linear polarisation data | (mM) | (mV/SCE) | (mA/cm2) | (V/dec) | − (V/dec) | | (ohm) | |
| Blank | −489 | 0.6282 | 0.076 | 0.096 | — | 29.36 | — | 0.2 | −495 | 0.1441 | 0.1 | 0.085 | 77.06 | 138.1 | 78.74 | 0.4 | −505 | 0.1225 | 0.085 | 0.088 | 80.50 | 150.6 | 80.50 | 0.6 | −510 | 0.106 | 0.093 | 0.098 | 83.13 | 192.7 | 84.76 | 0.8 | −478 | 0.0793 | 0.083 | 0.089 | 87.38 | 225.0 | 86.95 | 1.0 | −479 | 0.0686 | 0.088 | 0.087 | 89.08 | 244.3 | 87.98 |
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