ACTION OF SALTS. 



119 



100 parts of the soluble contain : 



100 parts of the insoluble contain : 



100. 



A bushel of common hard wood ashes weighs about 50 

 lbs. ; 6.75 lbs. are soluble in water, and consist of 



Potash and soda 

 Sulphuric acid, 

 Muriatic acid. 

 Carbonic acid, 

 Silica, 



4.605 pounds. 

 0.433 " 

 0.122 «* 

 1.530 " 

 0.060 *' 



6.750 



43.25 lbs. are insoluble in water, and consist of 



Carbonic acid, . 

 Phosphoric acid, 



15.59 pounds. 

 1.47 " 



