Table 1 Values of mass loss, corrosion rate (\(\:{K}_{corr}\)), surface coverage (θ), and Inhibition efficiencies (ɳ%) for both inhibitors at 25 °C after 32 h.

From: Novel gemini cationic thiazole-based surfactants as carbon steel corrosion inhibitors in 1 M HCl using experimental and theoretical tools

Solution

Conc.

(ppm)

Mass loss

(mg cm− 2)

\(k_{corr}\)

(mg cm− 2 h− 1)

θ

IE

(%)

Blank

0

21.43

0.670

–

–

TAC 6

5

6.938

0.217

0.676

67.63

10

6.243

0.195

0.709

70.87

20

5.445

0.170

0.746

74.59

30

5.369

0.168

0.750

74.95

40

4.936

0.154

0.770

76.97

50

4.547

0.142

0.788

78.79

TAC 18

5

4.889

0.153

0.772

77.19

10

4.538

0.142

0.788

78.82

20

3.478

0.109

0.838

83.77

30

3.405

0.106

0.841

84.11

40

2.808

0.088

0.869

86.90

50

2.688

0.084

0.875

87.46

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