Table 5 Optimal parameters (Ea0 and τ0), from linear regression of Eq. 23.

From: Effect of acid proticity on the thermodynamic parameters of charge transfer resistance in corrosion and passivation of nickel based glass alloy

Acid

Ea0

τ0

τ0

R-square

 

kJ  mol−1

K

°C

–

Both acids*

21.64

304.45

31.30

0.99971

HCl

18.952

320.48

47.33

0.99929

H2SO4

16.810

320.48

47.33

0.99931

H3PO4

17.082

320.15

47.00

0.99829

Both acids**

19.356

311.61

38.46

0.99898

  1. *Fit in linear regression of (Eq. 23) for classical Arrhenius parameters as independent of temperature1. **Fit in nonlinear regression of (Eq. 23) for current Arrhenius parameters dependent on temperature.
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