JOHN H, NORTHROP 



731 



TABLE VI. 



Efed of Addition of Salts on Hydrolysis of 2.5 Per Cent Gelatin at 40° C. 

 HCl Concentration 1.0 n. 



by Arrhenius also.) Measurement shov^ed, however, that there was 

 no diffusion potential in the case of NaCl at least. The diffusion 

 potential was measured by determining the e. m. f. of the hydrogen 

 electrode immersed in the NaCl-HCl solution, first against the sat- 



