CORRECTNESS OF THE CHEMICAL VIEWPOINT 47 

 c.c. of a watery solution, without protein. If the ordinatesof this 



Z2 

 21 

 20 

 19 

 18 

 IT 

 16 

 15 

 14 

 13 

 12 

 11 

 10 



8 



pHl8 a.O 2.2 2.4 26 28 3.0 3.2 3.4 36 3.8 40 42 4.4 46 



Fio. 6. Proof of the stoichiometrical character of the combination of acids 

 with isoelectric albumin. The same mass of albumin com bines with three times 

 as many c.c. of 0.1 N H 3 PO 4 as with HClor H 2 SO 4 ; and with twice as many c.c. 

 of 0.1 N oxalic acid below pH 3.0. 



latter curve are deducted from the ordinates of the titration 



