AN ENGLISH ARTICLE. 



339 



IX. — Union Fertiuzer Phosphate. 



(Messrs. Henry F. Davis & Co., New Bedford, Massachusetts. Collected of Mr. 



Heman Copeland, Campello, Mass.) 



Organic volatile matter, 



Ash constituents, 



Total phosphoric acid, 



Niti'ogen, 



Potassium oxide, 5.36 



Moisture, 13.38 



44.55 per cent. 

 55.45 " 

 11.37 

 2.32 



Valuation per ton of 2,000 pounds. 



227.4 pounds of phosphoric acid, . 

 46.4 " of nitrogen, 

 107.2 " of potassium oxide. 



$13 64 



11 60 



8 58 



$33 82 



X. — English Superphosphate, 



(Messrs. Jacksons & Bowker, Boston, Mass.) 



Total phosphoric acid, 

 Soluble 

 Reduced " 

 Insoluble " " 



Sulphuric acid, 

 Calcium oxide (lime) 

 Moisture, 



34.54 per cent. 

 30.00 



4.54 

 trace 

 23.52 

 26.72 



6.10 



Valuation per ton of 2,000 pounds. 



600.0 pounds of soluble phosphoric acid, 

 90.8 " of reduced 



$75 00 

 9 08 



$84 08 



This article was represented to analyze 60 to 65 per cent, 

 of soluble and precipitated phosphate of lime ; price, $65 

 per ton. 



