Research Article

Effect of Diacetyl Monoxime Thiosemicarbazone on the Corrosion of Aged 18 Ni 250 Grade Maraging Steel in Sulphuric Acid Solution

Table 5

Thermodynamic parameters for the adsorption of DAMTSC on aged maraging steel surface in 0.5 M sulphuric acid.

Temperature
(°C)
K (mol−1 L)
kJ mol−1
Slope
kJ mol−1

J mol−1 K−1

3032022735.10.99971.05
3081493134.30.9997 1.07−62.2590
3131439134.20.99971.09
3181124633.60.99951.09
3239476.933.20.99971.14