DEPARTMENT OF CHEMISTRY. 



C. A. GOESSMANN. 



ANALYSES OF COMMERCIAL FERTILIZERS AND MANU- 

 RIAL SUBSTANCES SENT ON FOR EXAMINATION. 



WOOD |ASHES. 



295-299. I- Received from Nortli|Hatfield, Mass. 



IL Received from Concord, Mass. 



III. Received from Hadley, Mass. 



IV. Received from Lexington, Mass. 



V. Received from Concord, Mass. 



Moisture at 100^ C, 

 Potassium oxide, 

 Phosphoric acid. 

 Calcium oxide, 

 Insoluble matter, 



300-304. I- Received from Amherst, Mass. 



II. Received from Amherst, Mass. 



III. Received from Concord, Mass. 



IV. Received from Concord, Mass. 

 V. Received from Concord, Mass. 



Moisture at 100" C, 

 Potassium oxide. 

 Phosphoric acid. 

 Calcium oxide, 

 Insoluble matter. 



