1 86 The Horticulturist's Rule- Book. 



Analyses, continued. 



51. Kainit Average 0/3 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 89 



52. Land Plaster or Gypsum. 



Hydrated sulphate of lime 74-88 



Matters insoluble in acid 1.28 



Moisture i . 18 



Other matters, chiefly carbonate of lime 22.66 



53. Ashes, Wood, Unleached. 



Moisture at 100 C I 5-?2 



Calcium oxide 28.61 



Magnesium oxide . . . . 3-oo 



Ferric oxide i . 03 



Potassium oxide 8.72 



Phosphoric acid o. 32 



Insoluble matter, before calcination 18.49 



after " 12.12 



54. Ashes, Wood, Leached. 



Moisture at 100 C *3-72 



Calcium oxide 48.07 



Magnesium oxide 6. 06 



Ferric oxide 0.68 



Potassium oxide 1.92 



Phosphoric acid 1.79 



Insoluble matter, before calcination 5.49 



" after " 2.57 



55. Coal-ashes, Bituminous 



Water 5.0 Soda 0.4 



Organic substance 5.0 Magnesia 3.2 



Ash 95.0 Phosphoric acid 0.2 



Potash 0.4 Sulphuric acid 8.5 



