1891.] 



PUBLIC DOCUMENT — No. 33. 



269 



5. Analyses, etc. — Continued. 



Buckivlieat Hulls. 

 [Sent on by E. L. Smith, South Schodack, N. Y.] 



Moisture at 100 c C, 

 Calcium oxide, 

 Magnesium oxide, 

 Ferric oxide, . 

 Potassium oxide, 

 Phosphoric acid, 

 Nitrogen, 

 Insoluble matter, 



Per Cent. 



11.900 

 0.247 

 0.236 

 0.020 

 0.521 

 0.073 

 0.490 

 0.066 



Sea Weed. 

 [Sent on by D. C. Potter, Fairhaven, Mass.] 



Moisture at 100° C, 

 Calcium oxide, 

 Magnesium oxide, 

 Sodium oxide, 

 Potassium oxide, . 

 Phosphoric acid, . 

 Nitrogen, 

 Insoluble matter, . 



Per Cent. 



16.260 

 2.061 

 1.175 

 3.529 

 0.785 

 0.191 

 4.250 

 5.525 



Residuum from Soft Coal. 

 [Sent on by B. N. Farren, Montague City, Mass.] 



Moisture at 100° C, 

 Calcium oxide, 

 Magnesium oxide, 

 Ferric oxide, . 

 Aluminic oxide, 

 Potassium oxide, . 

 Phosphoric acid, . 

 Insoluble matter (befor 



e calcination) 



Insoluble matter (after calcination), 



Per Cent. 



2.63 

 1.38 

 0.45 

 6.02 

 2.71 

 0.20 

 0.47 

 88.09 

 72.38 



