284 



COLLOIDS AND ELECTROLYTES 



g 



to 





oMnnnnnnnn 



4000 2000 1000 500 250 125 62 31 15 



Concentration of salt added 



Fig. 8. m/256 Na4Fe(CN)6 separated from water by a collodion membrane, 

 showing the depressing effect of the addition of salt to the solution upon the 

 initial rate of diffusion of water into the solution. 



