Sweet Corrosion Inhibition on API 5L-B Pipeline Steel

Table 4

EFM data obtained in the absence and presence of inhibitors at 25°C.

Comp.	Conc.,; M	𝑖corr,; 𝜇A·cm^−2	𝛽𝑎,; mV·dec^−1	𝛽𝑐,; mV·dec^−1	CF-2	CF-3	𝜃	IE, %	C.R,; 𝜇my^−1
Blank	0	230	99	183	1.9	3.5	0.000	0.0	2672
Itraconazole	1	186	93	179	1.9	3.2	0.191	19.1	2164
	5	166	91	175	1.9	3.2	0.278	27.8	1930
	10	153	89	166	1.9	3.6	0.335	33.5	1778
	15	143	81	149	1.9	3.8	0.378	37.8	1668
Fluconazole	5	213	101	185	1.9	3.3	0.074	7.4	2479
	10	191	94	190	1.9	2.8	0.170	17.0	2222
	15	182	94	180	1.9	3.4	0.209	20.9	2115
	20	174	90	173	1.9	3.1	0.243	24.3	2026