OF THE ASH OF FOREST TREES, 



329 



18. Miscellaneous Analyses. 



1. Leaves oJ*the Iron-wood, collected September 30. Yard of the State House. 



Silica 10-500 



Earthy phosphates : 



Phosphate of peroxide of iron - 5 '575 



Phosphate of lime - - - 0-719 

 Phosphate of magnesia - - 0-125 

 Phosphate of silica - - - 7° 325 

 Phosphoric acid ... 11-581 



25-325 



' Lime 37-484 



Magnesia 0-075 



Potash ....... 7-369 



Soda - 5-902 



Chloride of sodium 1-900 



Sulphuric acid - - - - - - 0-223 



Carbonic acid - - - . - - 10-400 



Organic matter - - - - . - , - 2*850 



102-028 S. 



PROPORTIONS. 



Water 54-680 



Dry matter - - - - - - - 45-320 



Ash 4-260 



Ash calculated dry 9-399 S. 



2. A species of foreign Rose-wood. Color dark, and much used in ornamental cabinet work. 



Silica 9-475 



Earthy phosphates 4-150 



Lime _ - - 61-189 



Magnesia 0-527 



Potash - - -.- - . . 0-791 



Soda - - - - - . . . 4-185 



Chloride of sodium ..... 0*276 



Sulphuric acid 0-051 



Carbonic acid ...... 20-205 



Organic matter - 3-175 



100-924 S. 

 [Agricultural Report — Vol. ii.] 42 



