Mr. Watts on the Analysis of Hop- Ash. 



59 



I. Acids. 



Phosphoric acid .... 14'64 



Sulphuric acid 8*28 



Silicic acid 17-88 



Carbonic acid ll'Ol 



Chlorine 2-26 



II. 



Bases, 



Potash 19-41 



54-07 



Soda .... 

 Lime .... 

 Magnesia 

 Alumina 

 Peroxide of iron 



Deduct oxygen 



0-70 

 14-15 

 5-34 

 1-18 

 2-71 

 43-49 

 0-51 



42-98 



Charcoal and loss 2-95 



100-00 



These materials we may suppose to be arranged as fol- 

 lows : — 



35-58 



46-03 



18-26 



99-87 



The sum of the soluble ingredients thus determined, viz. 



