Chemicals, Sodium Bicarbonate, Sodium sulphide, Sodium Hydroxide, Sodium Carbonate, Barium Sulfate, Chromium Sulphate, Ammonium Chloride, Barium Chloride, Dicyandiamide, Calcium Carbide, Humic Acid, Formic Acid, Oxalic Acid, Sodium Hydrosulfide, Sodium Metabisulphite, Sodium Thiosulfate.