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| phase | reaction | Log Kp at 25 °C |
|---|---|---|
| quartz | SiO2 + 2H2O ↔ H4SiO4 | –3.98 |
| kaolinite | Al2Si2O5(OH)4 + 6H+ ↔ H2O + 2H4SiO4 + 2Al3+ | 7.44 |
| dolomite | CaMg(CO3)2 ↔ Ca2+ + Mg2+ + 2CO32– | –17.09 |
| albite | NaAlSi3O8 + 8H2O ↔ Na+ + Al(OH)4– + 3H4SiO4 | –18.00 |
| orthoclase | KAlSi3O8 + 8H2O ↔ K+ + Al(OH)4– + 3H4SiO4 | –20.57 |
