Corrosion Inhibition Effect of Carbon Steel in Sea Water by L-Arginine-Zn²⁺ System

Table 6

Impedance parameters of carbon steel immersed in sea water in the absence and presence of inhibitors obtained by AC impedance spectra.

L-Arg ppm	Zn^2+ ppm	𝑅𝑡  Ωcm^2	𝐶dl F/cm^2
0	0	120.22	4.242 × 10^−8
250	25	142.09	3.589 × 10^−8