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

Table 2

Inhibitor efficiencies and corrosion rates to carbon steel in 1.0 mol L^–1 HCl solution with different concentrations of inhibitors, after immersion for 24 h at 25°C.

Inhibitor Concentration (mg L^–1)	Inhibitor 1			Inhibitor 2			Commercial Inhibitor
		.	Error			Error			Error
	(mm/y)			(mm/y)			(mm/y)
Blank	12.8	–	–	12.8	–	–	12.8	–	–
250	1.0	91.9	1.3	0.5	95.8	0.7	2.2	72.2	1.9
500	0.9	93.4	0.3	0.4	96.7	0.3	1.3	82.9	1.2
750	0.7	94.3	0.8	0.6	95.5	5.5	1.3	83.1	0.9
1000	0.6	95.0	0.5	0.2	98.2	0.3	1.3	83.9	0.7
1250	0.5	96.2	0.2	0.1	99.2	0.2	0.8	84.1	0.5