These samples of Wood Ashes are with one exception — No. VI. 

 — of good quality. Unleached wood ash sells in our vicinity, at 24 

 to 25 cts. per bushel of from 42 to 45 lbs. iu weight. 



47«— 470. POTASH 8ALTS. 



I, II and III, Muriate of Potash. 



IV, Sulphate of Potash. 

 Sent on by the Agent of the Farmers' Cooperative Purchasing Club, 

 Ashby, Mass. 



Per Cent. 



I. II. III. IV. 



Moisture at 100° C, 0.15 1.16 .75 .34 



Potassium oxide, 4| cts. per pound, 51.87 53.33 52.11 51.28 



Sulphuric Acid, 46.41 



Insoluble matter, 0.93 



Valuation per 2000 pounds, $44.09 $45.33 $44.30 $56.41 



All are of a ver}' good quality. The sulphate of potash is valued 



at 5^ cts. per pound of potassium oxide, the present basis for its 

 valuation. 



ISO, 481. SUPERPHOSPHATES. 



I. Dissolved Bone Black. 



II. Acid Phosphate. 



Sent on by the Agent of the Farmers' Cooperative Purchasing Club, 

 Ashby, Mass. 



Moisture at 100° C, 

 Total Phosphoric Acid, 

 Soluble " " (8 cts.) 



Reverted " " (7^ cts.) 



Insoluble " " (3 cts.) 



Insoluble Matter, 

 Valuation per 2000 lbs. 

 Both are of a good quality. 



482. FISH BONE AND POTASH 



Sent on from Concord, Mass. 



