Soluble Matter12.3
Insoluble87.7

The Soluble parts consist of nearly—

Carbonic Acid10.0
Sulphuric Acid10.3
Muriatic Acid (Chlorine, &c.)18.26
Potash and Soda61.44
100.00

No. XV.

Composition of some of the more common Compounds of Acids and Alkalies.

100 Parts ofContain of the AlkaliesContain of the Acids
Carbonate of Potash (Pearlash)Potash68.09Carbonic31.91
Bi-Carbonate of Potash (Saleratus) do.51.62Carbonic48.38
Nitrate of Potash (Saltpetre) do.46.56Nitric53.44
Silicate of Potash do.50.54Silicic49.46
Carbonate of SodaSoda58.58Carbonic41.42
Bi-Carbonate of Soda (Common Soda)[AR] do.41.42Carbonic58.58
Nitrate of Soda do.36.60Nitric63.40
Sulphate of Soda (Glauber Salts)[AR] do.19.38Sulphuric24.85
Silicate of Soda do.40.37Silicic59.63
Carbonate of Lime (Limestone)Lime56.29Carbonic43.71
Sulphate of Lime (Plaster Paris)[AR] do.32.90Sulphuric46.31
Sulphate of Lime (Burned) do.41.53Sulphuric58.47
Phosphate of Lime do.54.48Phosphoric45.52
Super-Phosphate of Lime do.28.52Phosphoric71.48
Silicate of Lime do.38.15Silicic61.85
Carbonate of MagnesiaMagnesia48.31Carbonic51.69
Sulphate of Magnesia (Epsom Salts)[AR] do.16.70Sulphuric32.40
Silicate of AluminaAlumina17.05Silicic72.95
Sulphate of Iron (Green Vitriol)[AR]Oxide of Iron27.19Sulphuric31.03

No. XVI.

Proximate Analyses of Crops, showing the amount of the different Organic Compounds contained in Grain, Roots, Hay, etc.—estimated in pounds: