98 



ION SERIES AND PROTEINS. 



340 

 320 



300 



280 



260 



240 



^ 220 



i 200 



^ 180 

 a, 



o 160 



140 



120 



100 



80 



60 



40 



20 







o 



CO 



o 



pH 4 



8 



10 



11 



Fig. 8. Curves of the osmotic pressure of NH4, Na, and Ca albuminate at differ- 

 ent pH. The curves for NH4 and Na albuminate are practically identical. 



