1889.] 



PUBLIC DOCUMEXT — No. 33. 



173 



Cotton-seed Hull Ashes. 



[I. Sent on from Hatfield, Mass. II. Sent on from Agawam, Mass. III. Sent on 

 from South Deerfield, Mass.] 



The samples are of an exceptionally good quality. 



Cotton-seed Hull Ashes. 

 [Sent on by Benj. M. "Warner, Hatfield, Mass.] 



Moisture at 100° C, . 



Phosphoric acid, . 



Potassium oxide, . 



Calcium oxide, 



]\Iagnesium oxide. 



Insoluble matter (before calcination). 



Insoluble matter (after calcination), 



Per cent. 



6.95 



3.14 



25.10 



12.41 



5.84 



55.48 



9.58 



