Electrochemical Study on Corrosion Inhibition of Copper in Hydrochloric Acid Medium and the Rotating Ring-Disc Voltammetry for Studying the Dissolution

Table 1

Results of Tafel slope analysis of the polarization plots at 298 K.

Solution	𝑖corr×10^6/A cm^−2	𝐵𝑐/mVdec^−1	𝐵𝑎/mVdec^−1	𝐸corr /V	𝜂/%
0.5 M HCl	23.4	101	50	−0.245	—
0.5 M HCl + 0.1 mM ATA	8.9	194	60	−0.256	62
0.5 M HCl + 1 mM ATA	7.7	217	65	−0.245	67
0.5 M HCl + 10 mM ATA	5.9	219	64	−0.241	74