Table 3.

Data of Wt. loss method for corrosion of carbon steel in 1 M HCl solution with and without various concentrations of PdC-OH, PdC-Me and PdC-H compounds at 25 °C ± 0.1.

Compounds	Conc. M	C.R (mg/cm2/min)	θ	%η
1 M HCl	Blank	0.029 ± 0.0023	–	–
PdC-OH	2 × 10–5	0.012 ± 0.0015	0.586	58.6
	4 × 10–5	0.011 ± 0.0012	0.604	60.4
	6 × 10–5	0.011 ± 0.0018	0.619	61.9
	8 × 10–5	0.010 ± 0.0009	0.662	66.2
	1 × 10–4	0.007 ± 0.0029	0.757	75.7
PdC-Me	2 × 10–5	0.017 ± 0.0020	0.425	42.5
	4 × 10–5	0.014 ± 0.0009	0.526	52.6
	6 × 10–5	0.012 ± 0.0023	0.575	57.5
	8 × 10–5	0.011 ± 0.0017	0.615	61.5
	1 × 10–4	0.008 ± 0.0020	0.727	72.7
PdC-H	2 × 10–5	0.018 ± 0.0017	0.397	40.0
	4 × 10–5	0.014 ± 0.0015	0.515	51.5
	6 × 10–5	0.014 ± 0.0026	0.525	52.5
	8 × 10–5	0.012 ± 0.0026	0.598	59.8
	1 × 10–4	0.009 ± 0.0023	0.704	70.4