Research Article

Theoretical Study of Chloro-N-(4-methoxybenzylidene)aniline Derivatives as Corrosion Inhibitors for Zinc in Hydrochloric Acid

Table 1

Corrosion parameters for zinc in 0.5 M HCl in the absence and presence of various concentrations of Schiff bases at °C.

InhibitorConcentration 
(M)
Corrosion rate 
(mg/dm2)
%

4-CNMBABlank7930
104186.87
6699.17
2399.71
2099.74
199.98

3-CNMBA 116885.27
7699.04
2599.68
2099.74
699.92

2-CNMBA
426746.19
268266.18
58992.57
22997.12
7199.1