Table 7 The calculated parameters from the Langmuir adsorption isotherms of NCDs at different temperatures after 240 min.

From: Electrochemical behavior and theoretical studies of arylazo (1-naphthyl-2-cyanoacetamide) derivatives as new corrosion inhibitors for Inconel 800 in chloride solution

Inhibitor

Temp (°C)

R2

K ads (M−1)

−ΔG°ads (kJ mol−1)

−ΔH°ads (kJ mol−1)

ΔS°ads (J mol−1 k−1)

NCD1

25

0.9988

382

24.69

5.9

63

35

0.9979

370

25.43

45

0.9989

361

26.19

55

0.9999

319

26.68

65

0.9987

289

27.22

NCD2

25

0.9959

514

25.42

8.7

56

35

0.9987

443

25.89

45

0.9959

435

26.69

55

0.9948

346

26.90

65

0.9969

345

27.71

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