( 252 ) 
5.3 
5.7 
63.4 
66.9 
72.4 
79.4 
81 4 
84.1 
86.1 
87.6 
92.6 
210.2 
217.2 
6.2 
6.8 
7.3 
7.7 
8.4 
8.6 
9.6 
12.3 
14 2 
16.5 
18.2 
20.4 
Three-phase curve 
NajSO.-f-L+G 
Difference with 
the vapour tension 
| of pure water. 
220 
222.8 
226.4 
230.8 
233.6 
234.0 
237.2 
240.3 
244.7 
22.2 
23.9 
25.6 
2.0 
1.9 
2.3 
2.3 
1.9 
1.8 
