Activation parameters for corrosion of LCS in 0.5 mol L−1 HCl without and with different concentrations of the DMIH compound.
[DMIH] (ppm) | (kJ mol−1) | (kJ mol−1) | (J mol−1 K−1) | R 2 |
---|---|---|---|---|
Blank | 3.5 | 0.9 | 263 | 0.99 |
50 | 10.6 | 8.0 | 251 | 0.99 |
100 | 11.1 | 8.5 | 250 | 0.99 |
150 | 12.6 | 10.0 | 48 | 0.99 |
200 | 12.9 | 10.3 | 47 | 0.99 |
250 | 14.6 | 12.0 | 42 | 0.99 |
300 | 16.8 | 14.2 | 35 | 0.99 |