Corrosion Inhibition of Mild Steel by Poly(butylene succinate)-L-histidine Extended with 1,6-diisocynatohexane Polymer Composite in 1 M HCl

Table 5

Fitting EIS parameters for dissolution in the absence and presence of different concentration PBSLH.

Conc/ppm	R1/Ohm	C1 × 10^−3/F	R2/Ohm	C3/F	R3/Ohm	%
Blank	1.199	2.784	0.0568	0.311e15	-2.77e12	-
200	0.650	0.608	0.897	1.729e-3	0.9416	94
400	0.824	0.510	1.395	1.017e-3	1.387	95
600	0.811	0.723	1.496	0.205e-3	0.285	96