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Table 2 EIS data of SB and its TMCSB (MC1–MC4)

From: Synthesis, biological evaluation and corrosion inhibition studies of transition metal complexes of Schiff base

Comp.

Conc. (ppm)

Rct (Ω cm−2)

fmax (ohms)

Cdl (µF cm−2)

θ

%IE

Blank

100

33.75548

13.90909

0.000338983

0

0

Int.

100

141.3292

77.20376

1.30371E–05

0.7612

76.12

MC1

100

84.13793

44.20063

1.04147E–05

0.5988

59.88

MC2

100

213.4702

103.05643

7.23449E–06

0.8419

84.19

MC3

100

158.3699

77.08464

1.45865E–05

0.7869

78.69

MC4

100

188.4013

81.11285

4.27957E–05

0.8208

82.08

  1. Conc. concentration of the solution, Rct charged transfer resistance, Cdl capacitance double layer, %IE percentage of inhibition efficiency, fmax frequency at maximum imaginary component of impedance, θ Theta angle values