Corrosion and Corrosion Inhibition of High Strength Low Alloy Steel in 2.0 M Sulfuric Acid Solutions by 3-Amino-1,2,3-triazole as a Corrosion Inhibitor

Table 2

Corrosion parameters obtained from the potentiodynamic polarization measurements for the HSLA steel electrode that was immersed for different periods of time in 2.0 M H₂SO₄ solutions with and without ATA molecules.

Medium	Parameter
	mV dec^−1	mV	A cm^−2	mV dec^−1	cm^2	mm y^−1	IE %
2.0 M H2SO4 (10 min)			2750	65	3.73	27.57	—
+1.0 mM ATA (10 min)			1800	70	9.62	18.04	34.54
+5.0 mM ATA (10 min)			1300	75	19.4	13.03	52.73
2.0 M H2SO4 (60 min)			4600	60	1.94	46.11	—
+1.0 mM ATA (60 min)			2400	63	5.93	24.06	47.83
+5.0 mM ATA (60 min)			1500	67	18.1	15.04	67.39