T/U(^/^/^f6>i^c) y(Zrccz^:::^ 



c^^ 



N? t Arseniou.f add k SuiphuretUd Hydropcn^. 

 " •• " wiib Sulphate of Coppef- &: ammonia 



•• 3 •' '. wUfi Limewater. 



: 4- Arsenite of poUissa <*• mtrate of silver: 

 •• •? cla. ,. S: miu-iate of CobaZt. 



' •> G ,, It yvltfi/ miuiate of MUkel. 



' " 7 •• asiduluted with sulphuric acid S:^ toudtinq a Zinc plaie. 



■-■ .. B Jrseniauj acid & corrosive Sui>2imate wiih Zinie-wcUef. 

 "^ ■■ '■ with Hydros iilphiu-et' of Amjnonia. 



yi/r-n/^ a€'l^ 



^-:^ 



■■ 4 



■■ 5 



t'lit: arid ivi/A Lime or hif/yfirwaler. ■ 



'/ wi/h ^nlphiitt' of CO]?pef S^ u//inioiii-a. 



Ml •ate o1' pctn.rsix A: nit^afe' of yriJM: 



with sulnlna-i'llrd hy./n/_,',rr 

 with Ziru- plate. 



