Inhibitory Mechanism of Carbon Steel Corrosion in Sea Water by an Aqueous Extract of Henna Leaves

Table 5

Potentiodynamic polarization curves of carbon steel immersed in various test solution.

System	𝐸corr mV versus SCE	𝑏𝑐 mV/decade	𝑏𝑎 mV/decade	LPR ohm cm^2	𝐼corr A/cm^2
Sea water	−816	157	239	6.500 × 10^3	6.354 × 10^−6
Sea water + (8 mL) HE + (25 ppm) Zn^2+	−808	156	231	7.752 × 10^3	5.234 × 10^−6