Dielectric Constants of certain Frozen Electrolytes. 31 5 



Solution of Potassic Hydrate. 

 (005 per cent, solution.) 

 l/100th of gram molecule per litre. 



Temperature 



Gralvanometer 





in platinum 



deflection 



Dielectric 



degrees. 



in centimetres. 



Constant. 



—203-4 



5*52 



10-7 



— 201-5 



6*11 



11*9 



-196-0 



7-60 



14-7 



-179-0 



8-30 



16-2 



-169-5 



8-78 



171 



-158-2 



9-60 



18-8 



-1520 



10-22 



20-0 



-141-2 



12-20 



23-9 



-1321 



17-90 



351 



-120-3 



1-85 



50-2? 



Observations. 

 Charging volts 19' 8. 



Charging volts 1*43. 



In the next place the same experiments were repeated, using 

 caustic soda solution in water instead of caustic potash. 



Dielectric Constant of Sodic Hydrate. 



(Saturated solution.) 



Galvanometer deflection wifch air as dielectric in the condenser = 

 3- 15 cm. for 100 volts. 



4-55 7-02 Charging volts 20. 



4- 60 7-08 



5- 00 7-70 



6- 60 10-20 

 14-75 23-10 



-201-8 

 -181-8 

 -146-7 

 -102-2 

 -91-8 



Solution of Sodic Hydrate. 



(10 per cent, solution.) 



Galvanometer deflection with air as dielectric = 3" 45 cm. for 



100 volts. 



-199-8 



2-31 



50-6 



Charging volts 1-434 



-175-0 



3-50 



76-7 





-156-0 



5-35 



117-2 





-147-2 



6-25 



1370 





The dielectric constants of these caustic potash and caustic soda 

 solutions are given in fig. 5. 



VOL. lxi. z 



