DEPARTMENT OF CHEMISTRY. 



C. A, GOKSSMANN. 



I. 



ANALYSES OF COMMERCIAL FERTILIZERS AND MANO- 

 RIAL SUBSTANCES SENT ON FOR EXAMINATION. 



WOOD ASHES. 



405-499. I- Received from Townseud, Mass. 



II. Received from Bostou, IMass. 



III. Received from Boston, Mass. 



IV. Received from Concord, Mass. 

 V. Received from Concord, Mass. 



Per Cent 

 I. 



Moisture at 100" C, 0.2 



Potassium oxide, 4.49 



Phosphoric acid, 2.62 



Calcium oxide, 48.81 



Insoluble matter, 7.52 



500-504. I- Received from Concord, Mass. 



II. Received from Concord, Mass. 



III. Received from Concord, Mass. 



IV. Received from Concord, Mass. 



V. Received from Concord, Mass. 



Per Cent. 

 I. 



Moisture at lOO'* C, 10.52 



Potassium oxide, 4.83 



Phosphoric acid, 1.47 



Calcium oxide, 35.04 



Insoluble matter, 9.62 



