DAVID I. HITCHCOCK 



607 



TABLE V. 



EJffect of Lanthanum Chloride on the p.d. and Osmotic Pressure of 0.45 Per Cent 



Edestin Chloride at pH 3. 



Concentration of LaClj. 



pH inside 



pH outside 



Observed p.d., millivolts . 

 Calculated p.d., millivolts 

 Observed osmotic pres- 

 sure, mm 



3.00 

 2.69 

 18.5 

 18.5 



199 



TABLE VI. 

 Effect ofpH on P.D. and Osmotic Pressure of 1 Per Cent Edestin Chloride. 



pH inside , 



pH outside , 



Observed p.d., millivolts , 



Calculated p.d., millivolts , 



Observed osmotic pressure, mm 



5.09 

 4.15 

 32.5 

 56.0 

 200 



TABLE Vn. 



Effect of pH on p.d, and Osmotic Pressure of 1 Per Cent Edestin Chloride in M 1512 



Sodium Chloride. 



pH inside 



pH outside 



Observed p. d., millivolts 



Calculated p. d., millivolts 



Observed osmotic pressure, mm 



5.09 

 4.81 

 4.5 

 16.5 

 28 



TABLE VIII. 



Effect of pll on p.d. a;w/ Osmotic Pressure of 1 Per Cent Edestin Acetate in M }100 



Sodium Acetate. 



pH inside 



pH outside 



Observed p.d., millivoUs 



Calculated p.d., millivolls 



Observed osmotic pressure, mm 



4.67 

 4.62 

 2.5 

 2.5 

 38 



