Table 1 |
|
|
Thermodynamic equilibrium constants from the Geochemists Workbench, thermo.dat database used to account for aqueous speciation [18]. |
|
| Mass balance reactions |
log K(17°C) |
|
|
|
| CaCO3 (Calcite) + H+ = Ca2+ + HCO3- |
1.83 |
| SiO2 (Quartz) = SiO2 (aq) |
-4.15 |
| CO2(g) + H2O = H+ +HCO3- |
-7.77 |
| CO2(aq) + H2O = H+ + HCO3- |
-6.42 |
| CO32- + H+ = HCO3- |
10.42 |
| NaHCO3 + = Na++HCO3- |
-0.20 |
| H2O = H+ + OH- |
-14.27 |
|
|
|
|
Carroll et al. Geochemical Transactions 2009 10:4 doi:10.1186/1467-4866-10-4 |
|
