Carbon Dioxide Corrosion Mechanisms: Historical Development and Key Parameters of CO₂-H₂O Systems

Table 1

Half-cathodic reactions according to the pH range for the CO_2(g):H₂O_(l):steel system [18].

pH range	Half-cathodic reactions
pH <5
6.5< pH <6.8
	pH >6.8
		pH ≥7