Inhibition Effect of 1-Butyl-4-Methylpyridinium Tetrafluoroborate on the Corrosion of Copper in Phosphate Solutions

Figure 2

Some chosen polarization curves of the copper electrode in 0.5 M PO⁴³⁻ solutions containing different concentrations of 1-Butyl-4-methylpyridinium tetrafluoroborate: (a) 0, (b) 1.0, (c) 10.0, and (d) 50.0 mM, pH 4, dE/dt 1 mV s⁻¹.