5.0 



(J 



4.0 



3.0 - 



Fig. 11. Sedimentation coefficient of conalbumin at ionic strength 01 (Phelps and 

 Cann62)_ Osmotic pressure measurements over the same pH range indicate that no change 

 in molecular weight takes place. The arrow shows the location of the isoelectric point. 



o 

 o 



Q. 



40 



20 

 NET CHARGE 



Fig. 12. Logarithmic plot for titration of the carboxyl groups of /3-Iactoglobulin 

 (Cannan, Palmer and Kibrick^^), ionic strength is 27 for the upper curve and 069 

 for the lower curve. 



