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Table 5 Electrochemical parameters calculated from polarization measurements on copper and brass in 0.4 M NaCl + 0.1 M NaOH without and with 10−3 M of benzimidazole derivatives at 25 °C.

From: Recent advances in the use of benzimidazoles as corrosion inhibitors

 Ecorr Ag/AgCl (V)− βc (mV dec−1)a (mV dec−1)Icorr (μA cm−2)IE (%)
Copper
 Blank− 0.19432428641.0
 44− 0.1532061963.6791.0
 45− 0.16821929112.071.0
Brass
 Blank− 0.437483136118.0
 44− 0.2251871442.9797.4
 45− 0.2002321169.192.0