Anticorrosion Activity of 8-Quinoline Sulphonyl Chloride on Mild Steel in 1 M HCl Solution

Table 4

Linear polarization resistance parameters values for corrosion of mild steel in 1 M HCl solution containing various concentrations of inhibitor.

Conc. of QSC (ppm)	(cm^2)	Surface coverage (θ)	IE (%) η
Blank (1 M HCl)	17	—	—
50	34	0.5000	50.00
100	41	0.5854	58.54
150	45	0.6222	62.22
200	52	0.6731	67.31
250	71	0.7606	76.06
300	78	0.7821	78.21