280 



COLLOIDS AND ELECTROLYTES 



The influence of the concentration of electrolytes upon the electri- 

 fication and rate of diffusion of water into gelatin solutions is similar 



340 

 320 



nnNNNnMriN 



2000 1000 500 250 125 62 31 15 7 



Concentration of salt added 



Fig. 4. Depressing effect of the addition of salts to 1 per cent Na gelatinate of 

 pH = 8.4 upon osmotic pressure of solution. Ca depresses more than K. 



to the influence of the concentration of electrolytes when we substitute 

 a neutral salt Hke Na2S04 or Na4Fe(CN)6 for the solution of metal 



