Mineral
|
Formula
| |
Heating (injection)
|
Max
|
Cooling (extraction)
|
---|
10 °C
|
40 °C
|
70 °C
|
120 °C
|
100 °C
|
70 °C
|
10 °C
|
---|
Anhydrite
|
CaSO4
|
SI
|
− 0.46
|
− 0.14
|
0.10
|
0.33
|
0.26
|
0.10
|
− 0.46
|
Bischofite
|
MgCl2 * 6H20
|
SI
|
− 6.58
|
− 6.38
|
− 6.20
|
− 6.00
|
− 6.07
|
− 6.20
|
− 6.58
|
Brucite
|
Mg(OH)2
|
SI
|
− 6.51
|
− 6.48
|
− 6.19
|
− 5.84
|
− 5.94
|
− 6.19
|
− 6.50
|
Carnallite
|
KMgCl3:6H2O
|
SI
|
− 7.41
|
− 7.63
|
− 7.74
|
− 7.80
|
− 7.79
|
− 7.74
|
− 7.41
|
Glauberite
|
Na2Ca(SO4)2
|
SI
|
− 1.02
|
− 0.71
|
− 0.48
|
− 0.27
|
− 0.32
|
− 0.48
|
− 1.03
|
Goergeyite
|
K2Ca5(SO4)6H2O
|
SI
|
0.32
|
− 1.54
|
− 2.59
|
− 3.47
|
− 3.21
|
− 2.60
|
0.32
|
Gypsum
|
CaSO4:2H2O
|
SI
|
− 0.16
|
− 0.22
|
− 0.30
|
− 0.51
|
− 0.41
|
− 0.30
|
− 0.16
|
Halite
|
NaCl
|
SI
|
0.00*
|
0.00*
|
0.00*
|
0.00*
|
0.00*
|
0.00*
|
0.00*
|
Kieserite
|
MgSO4: H2O
|
SI
|
− 5.99
|
− 5.64
|
− 5.19
|
− 4.42
|
− 4.72
|
− 5.16
|
− 5.99
|
Polyhalite
|
K2MgCa2(SO4)4 * 2H2O
|
SI
|
− 8.82
|
− 9.01
|
− 9.73
|
− 11.9
|
− 10.9
|
− 9.7
|
− 8.82
|
Sylvite
|
KCl
|
SI
|
− 1.98
|
− 2.24
|
− 2.42
|
− 2.63
|
− 2.56
|
− 2.42
|
− 1.98
|
pH
| | |
7.0
|
6.3
|
5.9
|
5.7
|
5.8
|
6.0
|
7.0
|
Ca
|
Ca2+
|
mol kg−1
|
2.59 × 10–2
|
2.59 × 10–2
|
2.59 × 10–2
|
2.59 × 10–2
|
2.59 × 10–2
|
2.59 × 10–2
|
2.59 × 10–2
|
Cl
|
Cl−
|
mol kg−1
|
6.74
|
6.85
|
7.09
|
7.57
|
7.37
|
7.01
|
6.74
|
Fe
|
Fe3+
|
mol kg−1
|
2.76 × 10–6
|
2.76 × 10–6
|
2.76 × 10–6
|
2.76 × 10–6
|
2.76 × 10–6
|
2.76 × 10–6
|
2.76 × 10–6
|
K
|
K+
|
mol kg−1
|
1.78 × 10–2
|
1.78 × 10–2
|
1.78 × 10–2
|
1.78 × 10–2
|
1.78 × 10–2
|
1.78 × 10–2
|
1.78 × 10–2
|
Mg
|
Mg2+
|
mol kg−1
|
5.02 × 10–4
|
5.02 × 10–4
|
5.02 × 10–4
|
5.02 × 10–4
|
5.02 × 10–4
|
5.02 × 10–4
|
5.02 × 10–4
|
Na
|
Na+
|
mol kg−1
|
5.47
|
5.58
|
5.81
|
6.29
|
6.10
|
5.82
|
5.47
|
S
|
SO42−
|
mol kg−1
|
3.69 × 10–2
|
3.69 × 10–2
|
3.69 × 10–2
|
3.69 × 10–2
|
2.856 × 10–2
|
3.69 × 10–2
|
3.69 × 10–2
|
ΔHalite
|
Incremental
|
mol kg−1
|
0
|
1.11 × 10–1
|
2.39 × 10–1
|
4.79 × 10–1
|
− 1.96 × 10–1
|
− 2.82 × 10–1
|
− 3.48 × 10–1
|
ΔHalite
|
Total
|
mol kg−1
|
0
|
1.11 × 10–1
|
3.50 × 10–1
|
8.29 × 10–1
|
6.33 × 10–1
|
3.51 × 10–1
|
3.33 × 10–3
|
- Italics numbers indicate saturation or supersaturation. Solutions is considered at equilibrium with halite.