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

Table 2

Test parameters obtained from Tafel polarization curves.

mol⋅L^−1			/%
0	6.198	−0.470	/
0.5	3.564	−0.479	42.5
1	2.386	−0.475	61.5
3	1.382	−0.477	77.7
6	1.004	−0.476	83.8
9	0.707	−0.481	88.6

Note.  : concentration of synthetic product; : corrosion current; : corrosion potential; IE: inhibition efficiency.