CHAPTER 10 • Equilibrium Analysis, the Ionic Medium Method and Activity Factors
273
Fig. 1 O.2a-c. The relationship
1m (mol kg-l)
between the SIT and Pitzer pa6.00 2.00
0.80
0.40
0.20
0.10
rameters for 1:1, 2:1 and 3:1 electrolytes
0.3 I a
0.2
~
0.1
0.0
-0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
X
1m (mol kg-l)
9.00
2.00
0.75
0.40
0.20
0.10
1.4 r:
1.2
1.0
0.8
~
0.6
0.4
0.2
0.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
X
1m (mol kg-l)
12.0 3.0
1.2
0.6
0.3
0.15
3.0
2.5
2.0
>- 1.5
1.0
0.5
0.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
X