THE VALENCY RULE AND THE HOFMEISTER SERIES 85 



sulphate, oxalate, and phosphate. The abscissae are the pH of 

 the gelatin solutions, the ordinates the ratio of the time of outflow 

 of the gelatin solutions divided by the time of outflow of pure 



6 



1 2 3 4 47 5 



FIG. 24. Curves representing relative viscosity of gelatin acetate, mono-, di-, 

 and trichloracetate. Curves identical with those for gelatin chloride and 

 phosphate. 



water. For the sake of brevity this quotient will be called 

 the relative viscosity of the gelatin solution. The curves for the 

 four acids all rise steeply from the isoelectric point with increasing 



