DERIVATION.--Ferrous sulphate, 50; sodium bicarbonate, 35; sugar and
distilled water. Made by solution, precipitation and washing.
PROPERTIES.--Greenish-brown powder, without odor; sweetish taste;
becomes oxidized on exposure to the air.
DOSE.--Horses, 2 to 4 dr.; cattle, ¹⁄₂ to 1 oz.; sheep and pigs, ¹⁄₂ to
1 dr.; dogs, 2 to 10 gr.