Research Article

Synthesis of a Novel Gemini Cationic Surfactant and Its Inhibition Behaviour and Mechanism Study on 2024 Al-Cu-Mg Alloy in Acid Solution

Table 3

Fitting parameters of equivalent circuit.

( mol⋅L−1) (⋅cm2) (⋅cm2)  (⋅cm−2⋅s−1)  %

00.7223.5911.700.90/
0.50.5132.7110.600.9627.9
10.7338.9110.500.9239.4
30.8277.058.460.8769.4
60.63423.206.620.8194.4
90.98436.906.000.9694.6

Note.:concentration of synthetic product; :solution resistance; : polarization resistance; :capacitive admittance of CPE capacitance; :empirical exponent of CPE capacitance [36]; : inhibition efficiency.