Table 2: The corrosion inhibition efficiencies and the corresponding corrosion rates (millimeter per year) of HE-Zn2+ system.

Inhibitor HE (mL)Zn2+ (ppm)
02550
IE%CR (mn/y)IE%CR (mm/y)IE%CR (mm/y)

00.1576160.1323470.0835
2280.1134410.0929640.0567
4350.1024470.0835760.0378
6470.0835710.0457880.0189
8650.0551940.0094820.0283
10470.0835640.0567750.0394