Table 278. 



POTENTIAL IN VOLTS. 



LlQulds with Liquids In Air.* 

 during experiment about 16° C. 



Mercury . . 

 Distilled water 



.100 



1 



Alum solution : saturated 



at i6°.5 C 



Copper sulphate solution : 



sp. gr. 1.087 ^^ ^^°-^ ^• 

 Copper sulphate solution : 



saturated at 15° C. . . 

 Sea salt solution : sp. gr, 



1. 18 at 20°.s C. . . . 

 Sal-ammoniac solution 



saturated at 15°. 5 C. . . 

 Zinc sulphate solution : ) 



sp. gr. 1.125 at i6°.9 C. ( 

 Zinc sulphate solution : I 



saturated at i5°.3 C. . ) 

 One part distilled water + ) 



3 parts saturated zinc ? 



sulphate solution . . ) 

 Strong sulphuric acid in 



distilled water : 



I to 20 by weight . . • 



I to 10 by volume . . • 

 I to 5 by weight . . . . 



n 



3 



.231 



.014 



—435 

 —348 



f 



T3 



—•043 



o' 



c - 

 o « 



« a 



.2 « 



a 

 o 



•§.' 



>- n 

 as 



OS 



.2 q. 



o - 

 tn ^ 



"3 c 

 o . 



C D. 



—.284 



5 to I by weight .... 



Concentrated sulphuric acid 



Concentrated nitric acid 

 Mercurous sulphate paste . 

 Distilled water containing 1 

 trace of sulphuric acid . ) 



•.358 

 .429 



— .200 



—•043 



— .016 



.848 



•475 



.090 



-.095 

 -.102 



1.298 1.456 



1.269 



a . 

 .SU 



0° 

 c a 



■v'5 



S E 



■•5 -^ 



« o. 



•o 

 



c 

 o 



c/5 



.164 



.095 



.102 



1.699 



.078 



Ayrton and Perry's results, prepared by Ayrton. 

 Smithsonian Tables. 



267 



