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

Table 13

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

Immersion period	𝐸corr	𝑖corr	𝛽𝑐	𝛽𝑎
(h)	(mV)	(𝜇A cm^−2)	(mV dec^−1)	(mV dec^−1)
1	−239.0	4.27	−138.0	78.0
12	−290.4	3.84	−130.4	81.6
24	−287.6	3.55	−122.0	65.9
48	−303.8	2.77	−191.0	93.4