ANALYSIS OF SUBSTANCES 



57 



Eight rods long. 



Analyses of Various Chemical Fertilizer and Related Materials 

 DISSOLVED BONE-BLACK 



This material is a superphosphate prepared by treating refuse bone-black from 

 sugar refineries with oil of vitriol, which renders nearly all the phosphoric acid 

 soluble in water. 



Soluble phosphoric acid 14.55 



Reverted phosphoric acid 2.39 



Insoluble phosphoric acid 0.20 



Moisture at 100 C. . 



Ash 



Total phosphoric acid 

 Soluble phosphoric acid 



BONE CHARCOAL 



18.16 Reverted phosphoric acid 



72.24 Insoluble phosphoric acid 



25.58 Insoluble matter . . . 

 0.38 



GROUND BONE. (Two samples) 



i 



Moisture at 100 C 3.97 



Ash 49.35 



Total phosphoric acid 19.49 



Reverted phosphoric anid 3.80 



Insoluble phosphoric acid 15.69 



Nitrogen 4.04 



Insoluble matt-r 0.78 



5.18 



20.02 



0.69 



ii 



12.43 



64.21 



25.67 



6.20 



19.34 



2.68 



0.42 



