GERMAN POTASH-SALTS. 



311 



II. 



German Potash-Salt. 

 (Quinnipiac Fertilizer Co., New Haven, Conn.; collected of Mr. Adams, 



ni. 



German Potash-Salt. 

 (D. A. Horton, Northampton, Mass.) 



Moisture at 100° C. 

 Potassium oxide 

 Sodium oxide . 

 Sulphuric acid 

 Magnesium oxide 

 Calcium oxide 

 Insoluble matter 



Per cent. 



.45 



. 43.60 



. 6.24 



. 21.53 



Traces. 



Traces. 



.90 



IV. 



Muriate of Potash. 



(Bowker Fertilizer Co., Boston, Mass.) n 



Moisture at 100° C 2.64 



Potassium oxide 44.63 



Sodium oxide 5.10 



Sulphuric acid 68 



Calcium oxide . • .77 



Magnesium oxide 3.78 



Chlorine 40.77 



V. 



Muriate of Potash. 



(Messrs. L. B. Darling 8c Co.; collected of Messrs. J. & J. A. Rice, 



"Worcester, Mass.) _, 



' ' Per cent. 



7.60 

 49.94 



Moisture at 100° C 

 Potassium oxide 

 Sodium oxide . 

 Sulphuric acid 

 Calcium oxide 

 Magnesium oxide 

 Insoluble matter 



3.85 



.34 



3.46 



3.39 



.80 



