from cm Ammoniacal Solution of the Oxalate. 



Ill 



Table II. 



The Electrolysis of Silver Chloride dissolved in Ammonium Oxalate and 



Ammonia. 



Ag in 



AgN0 3 



taken 



grm. 



(1) 03191 



(2) 03191 



(3) 0-3191 



(4) 0-3191 



(5) 0-3191 



Cm-rent 



Ag 

 found 

 arm. 



0-318? 

 0-3189 



0-3185 

 0-3189 

 0-3190 



Approx. 

 N. D. 



Error 



grm. Amp. 



A crucible used as cathode. 

 -0-0004 1-5-1 5-33 



-0-0002 1-5-1 5-33 



Gauze discs used as cathode 

 -0-0006* 1-5-1 0-75-0-5 

 -0-0002 1-5-1 0-75-0-5 



-00001 1-5-1 . 0-75-0-5 



* Time of electrolysis short. 



Volt 



5-7 

 4-6 



5-7 

 5-7 

 4-6 



Time 

 min. 



20 

 30 



15 

 25 

 35 



Revolu- 

 tions 

 per 

 min. 



500 

 500 



500 

 500 

 500 



It appears, therefore, that silver may he deposited from an 

 ammoniacal solution of the oxalate, in presence of ammonium 

 nitrate or ammonium chloride, in pure condition and in form 

 suitable for quantitative estimation. 



