1893.] PUBLIC DOCUMENT — No. 33. 283 



5. Analyses, etc. — Oontinued. 

 Corn-cob Ashes. 



Per Cent. 



Moisture at 100° C, 1.20 



Potassium oxide, 7.08 



Calcium oxide, 11.70 



]\Iagnesium oxide, , . . — * 



Ferric and aluminic oxides, 1.28 



Piiosphoric acid, 2.37 



Insoluble matter (before calcination), 59.14 



Insoluble matter (after calcination) , . . . . . .52.09 



Ashes. 



[Sent on from Cambridge, Mass.] 



Per Cent. 



Moisture at 100° C, 4.98 



Potassium oxide, 10.64 



Pliosi^horic acid, 6.96 



Insoluble matter (before calcination), 23.16 



Insoluble matter (after calcination), 20.01 



Wool Waste. 



[Sent on from North Andover, Mass.] 



Per Cent 



Moisture at 100° C, 4.47 



Potassium oxide, 1.32 



Nitrogen, 2.27 



Insoluble matter, 39.30 



Horyi Shavings, 



[Sent on from Leominster, Mass.] 



Per Cent. 



Moisture at lOQo C, 4.83 



Ash, 0.67 



Phosphoric acid, 0.42 



Nitrogen, 15.31 



Insoluble matter, Trace. 



* Not determined. 



