Table 5. P.cubebaOE Doses with and without Respect to the Kinetics of the C-Steel Electrochemistry in H₂NSO₃H.

inhibitor	C., ppm	Yo, μΩ–1 sncm–2	Rct, Ω cm2	Cdl × 10–4, μF cm–2	θ	% IE	X2 × 10–3
blank	0	102	110.5	9.77	0.0	0.0	13.5
P.cubebaOE	50	81	339.7	8.03	0.674	67.4	20.1
	100	79	498.5	3.91	0.778	77.8	17.2
	150	71	544.5	3.62	0.797	79.7	15.6
	200	61	1219	0.231	0.909	90.9	15.8
	250	40	1397	0.129	0.921	92.1	16.9
	300	35	1492	0.112	0.926	92.6	14.9