(93) 
published a treatise ,Ueber die Dampfdrucke verdünnter wässeriger 
Lösungen bei 0° C.” 
He describes there in what way he has succeeded in making his 
aneroid more sensible, so that he could also examine diluted solu- 
tions with it. The results obtained for solutions which I have also 
examined, follow. To facilitate comparison some of my results are 
also mentioned. 
Na C 
DIETER ICL SMITS. 
Concentration in gr. pm Concentration in gr. pm 
mol. per 1000 gr. H,O. in mm. Hg. ane per 1000 gr. H,O., in mm. He, 
0.0732 05 121 0.02842 0.121 
0.154 | 0.131 0.03546 0.134 
0.294 0.146 0.08813 | 0.139 
0.454 | 0.144 0.17680 | 0.140 
| | 
0.964 | 0.147 0.35587 0.141 
0.8854 | 0.143 
1.8228 Pe en aa E77 
H, SO, 
DIETERICI. | SMITS. 
Concentration in an pm Concentration in gr. | pm 
mol. per 1000 gr. HO in mm. Hg. mol. per 1000 er. HO. in m.m. He. 
0.0542 | 0.144 0.02090 0.161 
0.0871 0.127 0.04965 0.165 
0.1088 | 0.145 0. 24960 0.168 
0.171 | 0.143 0.50418 0.173 
0.22 0.156 1.41131 0.184 
0.263 OY 2.1795 0.203 
0.350 0.159 
0.436 0.167 
0.892 0.177 
