COPPER. LEAD. BISMUTH. 



PLATE 



Cupric sulphide or lead .sulphide, 



precipiiateil from Milutioiih of nipper or 

 lead by liydi ouen sulphide. 



Cupric hydroxide passing into cupric 

 oxide. Cupric solutions precipitated by 

 potassium hydroxide and boiling. 



Cupric solutions treated with am- 

 monia water. 



Cupric carbonate, precipitated from 



cupric solutions by sodium carbonate. 



Cupric ferrocyanide, precipitated 

 from cupric solutions by potassium, ferro- 

 cyanide. 



Lead iodide, precipitated from lead 

 solutions by soluble iodides. 



Lead solutions with soluble chlorides, 

 sulphates or carbonates. Bismuth solu- 

 tions with alkali hydroxides or carbonates. 



Bismuth sulphide, precipitated from 

 bismuth solutions by hydrogen sulphide. 



, Litti Balliinocr. . Ifd 



