MERCURY. SILVER. 



PLATE IV. 



Mercuric sulphide, precipitated fro 

 mercuric solutions by hydrogen sulphid 



Mercuric sulphide, Cinnabar. 



Yellow mercuric oxide, precipitat* 

 from mercuric solutions by potassium h 

 droxide. 



Red mercuric oxide, obtained 1 

 heating mercuric nitrate. 



Mercurous oxide, precipitated fro 

 mercurous solutions by potassium hydro: 

 ide. 



Silver sulphide, precipitated fro 

 silver solutions by hydrogen sulphide. 



flercuric iodide, precipitated froi 

 mercuric solutions by alkali iodides. 



Mercurous iodide, precipitated froi 

 mercurous solutions by alkali iodides. 



8 



Mercuric solutions with ammoniui 

 hydroxide, flercurous solutions wit 

 soluble chlorides. Silver solutions wit 

 soluble chlorides. 



A.Hoen&CftLith 



