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Table 13 Predicted solubility quotient of Mg(OH)2 (s) (log Q2) in NaCl solutions at 100°C, 150°C and 200°C at saturated vapor pressures

From: Estimation of medium effects on equilibrium constants in moderate and high ionic strength solutions at elevated temperatures by using specific interaction theory (SIT): Interaction coefficients involving Cl, OH- and Ac-up to 200°C and 400 bars

Temperature, C

mNaCl

log Q2

100

0.1

13.44

 

0.5

13.60

 

1.0

13.68

 

1.5

13.77

 

2.0

13.82

 

2.5

13.86

 

3.0

13.90

 

3.5

13.94

 

4.0

13.98

 

4.5

14.02

 

5.0

14.05

150

0.1

11.63

 

0.5

11.80

 

1.0

11.88

 

1.5

11.97

 

2.0

12.02

 

2.5

12.06

 

3.0

12.09

 

3.5

12.12

 

4.0

12.16

 

4.5

12.19

 

5.0

12.22

200

0.1

10.22

 

0.5

10.42

 

1.0

10.51

 

1.5

10.59

 

2.0

10.64

 

2.5

10.67

 

3.0

10.70

 

3.5

10.73

 

4.0

10.75

 

4.5

10.77

 

5.0

10.80