Review Article

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

Figure 2

Concentration of chemical species dissolved in the carbonate/seawater system (a) CO2(aq) black line, HCO3-(aq) red line, CO3-2(aq) blue line, H+(aq) dotted black line, and OH-(aq) dotted red line (reproduced from König et al. [53] under the Creative Commons Attribution License/public domain) and (b) CO2(aq) doted black line, H+(aq) doted red line, HCO3-(aq) dotted blue line, H2CO3(aq) dotted gray line, and CO3-2(aq) dotted blue line in CO2/water equilibrium at bar, °C, and 0.5 M NaCl (reproduced from Kahyarian et al. [50] under the Creative Commons Attribution License/public domain).
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