Review Article
Carbon Dioxide Corrosion Mechanisms: Historical Development and Key Parameters of CO2-H2O Systems
Table 3
Reactions and pH range for CO
2(g):H
2O
(l):steel system [
21,
68].
| pH | Reactions |
| Lower than 5 (significant [H2CO3]) | | | | |
| At 6.8 (significant [HCO3-2]) | | |
| Higher than 7 (significant [CO3-2]) | |
|
|