Ferric chloride should contain not less than 22 per cent of metallic iron in the form of chloride.
Properties.—It is in orange-yellow, crystalline pieces, odorless or having a faint odor of hydrochloric acid and a strong styptic taste; deliquescent; soluble in water and alcohol; not used internally.
Used almost exclusively in the form of tincture or liquor, and in reference to its effect and application I refer you to Tincture Ferri Chloridi and Liquor Ferri Chloridi.
LIQUOR FERRI CHLORIDE—SOLUTION OF FERRI CHLORIDE
Derivation.—Dissolve iron wire, 125, in hydrochloric acid, 680, nitric acid and water to make 1000.
Properties.—A reddish-brown liquid, having a faint odor of hydrochloric acid, an acid, strongly styptic taste.
Dose.—Horses and cattle, 2 to 4 dr.; sheep and pigs, 10 to 20 m.; dogs, 2 to 10 m. All liquid preparations of iron should be well diluted with water or oil.
TINCTURA FERRI CHLORIDI—TINCTURE OF FERRIC CHLORIDE
Composed of ferric chloride, 350 parts; alcohol to make 1000.
Dose.—Horses and cattle, 1 to 2 oz.; sheep and pigs, 20 to 30 m.; dogs, 5 to 30 m.