A Study of N,N-Diethylammonium O,O′-Di(p-methoxyphenyl)dithiophosphate as New Corrosion Inhibitor for Carbon Steel in Hydrochloric Acid Solution

Table 2

The polarization parameters and corresponding inhibition efficiency for carbon steel in 0.5 M HCl in the absence and presence of different concentrations of EAPP at 300 K.

(mg L^−1)	(mV)	(μA cm^−2)	(%)
0	−524	308.54	—
80	−521	70.22	77.24
100	−504	38.17	87.63
120	−493	32.46	89.48
160	−490	20.82	93.25