Research Article

Corrosion Inhibition of Cu-Ni (90/10) Alloy in Seawater and Sulphide-Polluted Seawater Environments by 1,2,3-Benzotriazole

Table 14

Corrosion parameters of Cu-Ni (90/10) alloy obtained by potentiodynamic polarization studies in seawater containing 10 ppm of inorganic sulphide in the presence of 3.33 mM BTAH at different immersion periods. (Temperature: 30°C).

Immersion period (h) (mV) ( A cm−2) (mV dec−1) (mV dec−1)IE (%)

1−182.60.308−119.0135.092.79
12−238.50.189−88.581.895.07
24−224.50.047−76.7113.098.68
48−157.20.032−45.262.698.84