Sodium Citrate as an Environmentally Friendly Corrosion Inhibitor of Steel in a Neutral Environment

Table 2

Electrochemical characteristics of steel 09G2S after exposure to 0.1% NaCl solution with different concentrations of sodium citrate.

(g/l)	Exposure time
	3 hours		24 hours
	(V)	(mA/cm^2)	(V)	(mA/cm^2)
0	-0.55		-0.67
0.5	-0.51		-0.64
1.0	-0.53		-0.63
1.5	-0.43		-0.65
2	-0.43		-0.62
2.5	-0.50		-0.56
3.0	-0.53		-0.66