DERIVATION.--Zinc oxide, may be prepared by exposing zinc carbonate to a
dull red heat, or from metallic zinc by combustion.
PROPERTIES.--An amorphous, white powder without odor or taste. Insoluble
in water or alcohol.
DOSE.--Horses and cattle, 1 to 2 dr.; sheep and pigs, 10 to 20 gr.;
dogs, 5 to 10 gr. Not much used internally.