A REVISION OF THE ATOMIC WEIGHT OF ARSENIC. 



8S 



RESULTS AND DISCUSSION. 

 Series I. 3AgCl: Ag3As04. 



Series II. 3 AgCl: Ag3As04. 



No. 



of 

 anal- 

 ysis. 



6 

 7 



Sample 



of 

 AgaAsOt 



c 



D 



Corrected 

 weight of 

 AgjAsO, 



in 

 vacuum. 



gm. 



4-59149 

 3.38270 



Weight 



of 



AgCl 



in 



vacuum. 



gm. 

 4.26815 

 3-14401 



Weight 



of 

 asbestos. 



gm. 



0.00008 

 0.00037 



Dissolved 



AgCl 



from 



filtrate. 



gm. 

 0.00012 

 0.00013 



Loss 



on 



fusion. 



gm. 

 0.00039 

 0.00015 



Corrected 



weight of 



AgCl 



in 



vacuimi. 



gm. 

 4.26796 

 3-14436 



Ratio 

 3 AgCl: 

 AgjAsOi. 



0.929537 

 0.929542 



Average 0.929540 



Average of all analyses in Series I and II 0.929550 



Per cent of Ag in Ag3As04 69.9609 ' 



Series III . 3 AgBr : Ags ASO4. 



1 Ag: AgCl = 0.752632: i.oooooo. 

 » Ag: AgBr = 0.574453: i.oooooo. 



Richards and Wells: Loc. cit. 

 Baxter: Loc. cit. 



