. 2023 Jun 5;8(24):21571–21584. doi: 10.1021/acsomega.3c00741

Table 2. Electrochemical Parameters Determined by the Tafel Method of the Inhibitors (C1, C2, and C3) at 25 °C.

compounds	C_inh (M)	–E_corr (mV/SCE)	β_a (mV/dec)	–β_c (mV/dec)	i_corr (μA/cm²)	IE_p (%)
C1	blank	504.3	82.5	53.6	101.80
	1 × 10^–6	484.7	46.5	35.8	75.97	25.37
	2 × 10^–6	480.2	40.3	33.2	72.28	28.99
	1 × 10^–5	480.1	37.5	31.6	49.61	51.26
	6 × 10^–5	477.9	43.2	33.6	35.95	64.37
	SD	253.41	27.00	17.67	31.75	25.31
	Pearson χ²	–0.72	0.11	–0.10	–0.87	0.87
C2	blank	504.3	44	55	101.80
	1 × 10^–6	477.8	47.6	41.6	52.41	48.51
	2 × 10^–6	475.1	37.8	31.9	38.43	62.21
	1 × 10^–5	480.1	83.4	55.2	28.39	72.11
	6 × 10^–5	462.4	44	55	12.95	87.27
	SD	251.19	27.09	23.21	30.78	26.28
	Pearson χ²	–0.93	–0.17	0.63	–0.87	0.87
C3	blank	504.3	49.9	39.8	101.80
	1 × 10^–6	475.2	50.9	89.39	84.18	17.37
	2 × 10^–6	490.2	98.5	83.5	53.64	47.37
	1 × 10^–5	487	45	36.9	46.75	54.07
	6 × 10^–5	476.5	49.9	39.8	45.40	55.47
	SD	254.91	30.83	30.36	32.54	17.36
	Pearson χ²	–0.45	–0.36	–0.65	–0.53	0.53