CUPRI SULPHAS—COPPER SULPHATE—BLUE VITRIOL—BLUE STONE
Derivation.—Boil metallic copper and sulphuric acid together. Dissolve product in hot water and crystallize.
Properties.—Large, transparent, deep blue, triclinic crystals; odorless, of a nauseous, metallic taste; slowly efflorescent in dry air; soluble in water; almost insoluble in alcohol.
Dose.—Horses and cattle, 1 to 2 dr.; sheep and pigs, 20 to 40 gr.; dogs, 1 to 2 gr.
As a tonic and astringent, repeat two or three times daily; given either in capsule or in some mucilagenous solution, or in powder form, with some inert substance; when given as a tonic should be given at time of feeding, or right after eating.
Actions.—Gastro-intestinal irritant, astringent, tonic, emetic in large doses; acts directly on the stomach; antiseptic and vermifuge.
Uses.—Internally used as emetic, antidote for phosphorus, atony of the bowels, diarrhoea, especially combined with dilute sulphuric acid opium; is supposed to prevent the development of farcy and glanders in exposed animals. Used externally as a caustic and stimulant; styptic, also used for foot-rot; for granular eyelids, touch lightly over the granular surface with the sulphate of copper.