. 2024 Jan 12;9(4):5024–5037. doi: 10.1021/acsomega.3c09334

Table 4. Illustrates the Corrosive Potential (E_corr), Corrosive Density of Current (i_corr), the Tafel Slopes (a, c), Degree of Surface Coverage (θ), and the Inhibition Effectiveness (% IE) of C-Steel for P.cubebaOE in 1 M H₂NSO₃H at 25 °C.

inhibitor	C., ppm	–E_corr mV vs SCE	I_corr × 10^–4 μA cm^–2	β_a, mV dec^–1	–β_c, mV dec^–1	% IE
blank	0	867	301.0	366	390.0	0.0
P.cubebaOE	50	847	173.0	319	281	42.5
	100	852	149.0	277	250	50.4
	150	742	69.7	340	130	76.8
	200	938	47.8	82	93	84.1
	250	854	39.7	157	59	86.8
	300	552	25.8	64	57	91.4

Table 4. Illustrates the Corrosive Potential (Ecorr), Corrosive Density of Current (icorr), the Tafel Slopes (a, c), Degree of Surface Coverage (θ), and the Inhibition Effectiveness (% IE) of C-Steel for P.cubebaOE in 1 M H2NSO3H at 25 °C.