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

Table 2

Inhibition efficiencies (IE) and corrosion rates (CR) obtained from L-Arginine-Zn²⁺ systems, when the carbon steel was immersed in sea water.

L-Arginine (ppm)	Zn^2+ (0 ppm)		Zn^2+ (25 ppm)
	IE%	CR mmpy	IE%	CR mmpy
0	—	0.1809	64	0.0651
50	26	0.1339	69	0.0561
100	32	0.1230	72	0.0507
150	38	0.1122	79	0.0379
200	40	0.1085	85	0.0271
250	44	0.1013	91	0.0163