586 
The Philippine Journal of Science 
1920 
Concentration, atmospheres. 
0 OS 1.0 1.6 2.5 3.5 4-. 5 5.S 7.0 
Water-absorption . — The water-absorption data for this series 
are shown in Table 16, which corresponds in arrangement to 
the preceding table. These data have been plotted as graphs 
in fig. 11, where the method of plotting is similar to that em- 
ployed in the preceding figure. 
