DIVISION OF CHEMISTRY. 



C. A. GoESSMANN. 



ANALYSES OF COMMERCIAL FERTILIZERS AND MANU- 

 RL\L SUBSTANCES SENT ON FOR F:XAMINAT10N. 



WOOD ASHES. 



1106-1110. L Received from Lexington, Mass. 



IL Received from North Hadiey, Mass. 



III. Received from Concord, Mass. 



IV. Received from Worcester, Mass. 



V. Received from Shrewsbury, Mass. 



Moisture at 100° C, 

 Potassium oxide, 

 Phosphoric acid, 

 Calcium oxide, 

 Insoluble matter, 



1111-1115. I. Received from Grafton, Mass. 



II. Received from East Dedham, Mass. 



III. Received from North Hatfield, Mass. 



IV. Received from Wollaston, Mass. 

 V. Received from Concord, Mass. 



PER CENT. 



I. II. in. IV. v. 



Moisture at 100° C, 12.89 8.00 10.37 6.97 9.22 



Potassium oxide, 6.52 4.72 5.16 7.20 6.52 



Phosphoric acid, 1.22 1.04 1.40 1.62 1.62 



Calcium oxide, 36.46 41.96 39.05 36.48 36.25 



Insoluble matter, 6.62 6.77 S.og 12.39 9-^° 



