1 82 The Horticulturist s Rule-Book. 



Analyses, continued. 



49. Muriate of Potasli. (Two samples.) 



Commercial muriate of potash consists of about 80 per cent, of 

 muriate of potash (potassium chloride; ; 15 per cent, or more of 

 common salt (sodium chloride), and -i per cent, or more of water. 



I. II. 



Actual potash . . 50.0 52.62 



Equivalent muriate 79.2 83.70 



50. German Potash Salts — Average of 11 Analyses. 



Moisture at 100° C. . . .13.14 Magnesium oxide .... 9.25 



Potassium oxide . . . .21.63 Sulphuric acid 10.85 



Sodium oxide 13.76 Chlorine 35.63 



Calcium oxide 0.85 Insoluble matter .... 2.08 



51. Kainit—Aver'age of 3 Analyses. 



Moisture at 100° C. . . . 9.26 Magnesium oxide .... 8.97 



Potassium oxide . . . .14.04 Sulphuric acid 21.05 



Sodium oxide 21.38 Chlorine 32.38 



Calcium oxide 1.12 Insoluble matter .... 0.89 



52. Land-Plaster or Gypsum. 



Hydra ted sulphate of lime 74.88 



Matters insoluble in acid 1.28 



Moisture 1.18 



Other matters chiefly carbonate of lime . . . . , 22.66 



53. Ashes (Wood), Unleached. 



Moisture at 100° C 15.72 



Calcium oxide 28.61 



Magnesium oxide 3.00 



Ferric oxide 1.03 



Potassium oxide 8.72 



Phosphoric acid 0.32 



Insoluble matter, before calcination 18.49 



" after " 13.12 



54. Ashes (Wood), Leached. 



Moisture at 100° C 13.72 



Calcium oxide 48.07 



