Synthesis of 1,2,3-Triazole Derivatives and Its Evaluation as Corrosion Inhibitors for Carbon Steel

Table 3

Inhibitor efficiencies and corrosion rates to carbon steel in 1.0 mol L^–1 HCl aqueous solution in presence and absence of the inhibitor (500 mg L⁻¹) with different immersion times, at 25°C.

Immersion Time (h)	Blank	Inhibitor 1			Inhibitor 2
			.	Error		.	Error
	(mm/y)	(mm/y)			(mm/y)
4	16.0	1.7	89.2	1.5	0.3	97.9	0.6
8	14.7	1.8	87.5	1.9	0.3	97.9	0.2
12	14.7	1.6	88.8	0.7	0.2	98.7	0.5
24	12.8	0.9	93.4	0.3	0.4	96.7	0.3
48	14.2	1.6	88.6	1.2	0.3	97.9	0.2