Table 6 Comparison between the corrosion inhibition efficiency of the prepared di-imine-SB inhibitor and some other reported inhibitor for Fe-alloys in acidic media (1 M HCl) using PDP.

From: Electrochemical, surface analysis, computational and anticorrosive studies of novel di-imine Schiff base on X65 steel surface

No

Inhibitor

Optimum concentration

IE%

References

1

Di-imine-SB

1 × 10−3 M

90

Present study

2

Benzylidene Schiff bases (2)

1 × 10–3 M

87

58

3

(DBB)

5 × 10–4 M

84.39

59

4

4-PCPTC

1 × 10–3 M

89

60

5

(4-BAB)

1 × 10–3 M

85.7

61

6

L3

1 × 10–3 M

75.5

62

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