Research Article

Electrochemical Studies of Monoterpenic Thiosemicarbazones as Corrosion Inhibitor for Steel in 1 M HCl

Table 2

Electrochemical parameters for the corrosion of steel in 1 M HCl containing different concentrations of Camphor thiosemicarbazone , Carvone thiosemicarbazone , and Pulegone thiosemicarbazone .

Inhibitors (mmol/L) (mA/cm2) (mV) (mV/dec) (mV/dec) (%)
Blank0.6828

0.10.077
0.50.071
1.00.0694
5.00.0334

0.10.0837
0.50.0726
1.00.0728
5.00.0655

0.10.1979
0.50.1554
1.00.1325
5.00.1063