Time (days)

Film Thickness (μm)

Inhibition Efficiency (%)

HCl

HNO₃

HClO₄

HCl

HNO₃

HClO₄

1

13.904

12.746

13.209

61.43

30.95

−3.09

4

7.879

9.965

11.355

48.51

24.46

−17.34

7

6.025

7.647

6.025

38.44

6.35

−47.45