COMMERCIAL FKirrruZKiis. 



21)5 



Valuation per two thousand pounds : — 



52 6 pounds of soluble and reverted phosphoric acid, 

 116. pounds otinsoluble i)hosphorio acid, . 

 150.6 pounds of nitrogen, 



$40 07 



Stearns & Co's " No. 1 Eagle Brand " Fish and Potash. 

 (Collected of B. F. Bridges, South Deerfield, Mass.) 



Guaranteed composition : INIoisturo, 12 to 15 per cent. ; 

 nitrogen from fish, 2| to 4.] per cent, (equivalent to ammo- 

 nia, 3 to 5 per cent.) ; available phosphoric acid from bone 

 phosphate, 3 to 5 per cent. ; insoluble phosphoric acid. 3 to 

 5 per cent. ; potassium oxide, 4 to G per cent. 



Per cent. 



Valuation per two thousand pounds ; 



37.8 pounds of soluble phosphoric acid, 

 52.2 pounds of reverted phosphoric acid, 

 69.8 pounds of insoluble phosphoric acid, 

 92.8 pounds of potassium oxide, . 

 69.2 pounds of nitrogen. 



128 95 



Church's Fish and Potash. 

 (Collected of John B. Moore & Son, Concord, Mass.) 



No guaranty reported. 



Moisture at 100° C, 

 Total phosphoric acid, 

 Soluble phosphoric acid. 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid. 

 Potassium oxide. 

 Nitrogen, 

 Insoluble matter. 



