Table 1 PhreeqC 3 modelling results: aqueous activities, solubility products (K _SP), and saturation indices (SI)

Molalities

3.86 E−5

5.14E−3

4.89E−3

–

–

–

–

Pitzer: 230 bar, 100 °C

8.35E−6

2.12E−3

4.10E−5

−9.36

−7.02

−0.11

−0.04

Pitzer: 1 bar, 70 °C

1.09E−5

2.57E−3

5.00E−5

−9.54

−6.93

0.28

0.04

Pitzer: 1 bar, 25 °C

1.91E−5

3.36E−3

5.35E−5

−9.84

−6.66

0.85

−0.09

Pitzer: 1 bar, 25 °C (no ana.-expr.)

1.91E−5

3.36E−3

5.35E−5

−9.97

−6.63

0.98

−0.12

SIT: 1 bar, 25 °C

6.62E−6

2.74E−4 (1.54E−3, incl. SrCl⁺)

1.24E−4

−9.97

−6.62

0.88

−0.85 (−0.10, incl. SrCl⁺)