212 AGRICULTUKAL EXPERIMENT STATION. [Jan. 

 Saltpetre Waste from Crurvpowder Worhs (6 Analyses). 



Nitre Salt-cake (2 Analyses). 



Moisture at 100" C, 

 Potassium oxide. 

 Sodium oxide, . 

 Nitrogen, . 

 Sulphuric acid. 

 Insoluble matter. 



Sulphate of Ammonia (21 Analyses), 



Ammonite. 



Moisture at 100° C, 

 Phosphoric acid, . 

 Nitrogen, 

 Insoluble matter, . 



Per cent. 



5.88 



3.43 



11.33 



1.38 



