COMMERCIAL FERTILIZERS. 



495 



Quinnipiac Phosphate. 



(Quinnipiac Company, New Haven, Conn.; collected of B. L. Bragg & Co., Spring- 

 field, Mass.) 



Guaranteed composition : Available phosphoric acid, 9 to 

 12 per cent. ; insoluble phosphoric acid, 1 to 3 per cent. ; 

 potassium sulphate, 3| to b\ per cent, (equivalent to 

 potassium oxide, 2 to 3 per cent.) ; nitrogen, 2| to 3| per 

 cent, (equivalent to ammonia, 3| to 4^ per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Sohable phosphoric acid, 

 Reverted ijhosphorio acid, 

 Insoluble j^hosphoric acid, 

 Potassium oxide, . 

 Kitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : 



94. pomido of soluble phosphoric acid, 

 122.8 pounds of reveited phosphoric acid, 

 78.8 pomids of insoluble phosphoric acid, 

 48.8 pounds of potassium oxide, . 

 G1.8 jDOunds of nitrogen, 



$32 59 



H. J. Baker & Bro.'s '•^A. A. Ammoniated Superphosphate." 

 (Collected of Wilder & Puffer, Springfield, Mass.) 



Guaranteed composition : Soluble phosphoric acid, 9| to 

 11^ per cent. ; reverted phosphoric acid, 10 to 12 percent. ; 

 insoluble phosphoric acid, 1 to 3 per cent. ; potassium 

 oxide, 2 to 3 per cent. ; ammonia, 3 to 4 per cent, (equiva- 

 lent to nitrogen, 2.5 to 3.3 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid. 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



Per cent, 



13.43 



12.19 



11.39 



.61 



.19 



2.57 



8.45 



61 



