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Mineral | Formula | Heating (injection) | Max | Cooling (extraction) | |||||
---|---|---|---|---|---|---|---|---|---|
10 °C | 40 °C | 70 °C | 120 °C | 100 °C | 70 °C | 10 °C | |||
Bischofite | MgCl2 * 6H20 | SI | 0.00 | − 0.19 | − 0.40 | − 0.75 | − 0.75 | − 0.40 | 0.02 |
Brucite | Mg(OH)2 | SI | 0.51 | 0.17 | − 0.24 | − 1.06 | − 1.16 | − 0.35 | 0.40 |
Halite | NaCl | SI | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* |
pH | 6.9 | 6.3 | 5.7 | 5.2 | 5.3 | 5.7 | 6.9 | ||
Cl | Cl− | mol kg−1 | 11.6 | 11.7 | 11.7 | 11.9 | 11.9 | 11.7 | 11.6 |
Mg | Mg2+ | mol kg−1 | 5.59 | 5.59 | 5.59 | 5.59 | 5.59 | 5.59 | 5.59 |
Na | Na+ | mol kg−1 | 7.54 × 10–2 | 1.20 × 10–1 | 1.92 × 10–1 | 3.81 × 10–1 | 2.94e × 10–1 | 1.92 × 10–1 | 7.51 × 10–2 |
ΔHalite | Incremental | mol kg−1 | 0 | 4.47 × 10–2 | 7.19 × 10–2 | 1.89 × 10–1 | − 8.71 × 10–2 | − 1.03 × 10–1 | − 1.16 × 10–1 |
ΔHalite | Total | mol kg−1 | 0 | 4.47 × 10–2 | 1.17 × 10–1 | 3.06 × 10–1 | 2.19 × 10–2 | 1.16 × 10–1 | − 2.80 × 10–4 |