270 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



Sulphate of Ammonia. 

 • [Sent on from Amherst, Mass.] 



Moisture at 100° C, 



Nitrogen (19 cents j^er pound), . . . . 



Sulpluiric acid, 



Valuation per ton, 



Per Cent. 



1.43 



20.91 



57.26 



$79 46 



Nitrate of Soda. 

 [Sent on from Amherst, Mass.] 



Saltpetre Waste (from Gunpowder WorJcs). 



[Sent ou by A. N. Stowe, Hudson, Mass.] 



Per Cent. 



Moisture at 100° C, 2.12 



Calcium oxide, .22 



IMagnesium oxide, .16 



Sodium oxide, 50.54 



Potassium oxide (4| cents per pound), 1.85 



Sulphuric acid, .71 



Nitrogen (17 cents per pound), .69 



Chlorine, 59.00 



Insoluble matter, .18 



Valuation per ton, $3 68 



