270 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



Suljjhate of Ammonia. 



[Sent on from Amherst, Mass.] 



Per Cent. 



Moisture at 100° C, 1.43 



Nitrogen (19 cents per i5ound), 20.91 



Sulphuric acid, 57.26 



Valuation per ton, f 79 46 



Nitrate of Soda. 

 [Sent on from Amherst, Mass.] 



Saltpetre Waste (from Gunpowder Works). 



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



Per Cent. 



]\Ioisture at 100° C, 2.12 



Calcium oxide, .22 



Magnesium oxide, ......... .16 



Sodmm oxide, 50.54 



Potassium oxide (4^ cents per pound), 1.85 



Sulphuric acid, .71 



Nitrogen (17 cents per pound), .59 



Chlorine, 59.00 



Insoluble matter, .18 



\"aluation per ton, f 3 68 



