_Vinum Ferri (Vin. Ferr.), Wine of Iron, N.F._ (Wine of Citrate of Iron).--Iron and ammonium citrate (4%) in tincture of sweet orange peel, syrup, and sherry wine. Absolute alcohol content about 20 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). =Ferri et Quininae Citras (Ferr. et Quin. Cit.), Iron and Quinine Citrate, U.S.P.= (Ferri et Quininae Citras Solubilis, U.S.P. VIII, Soluble Iron and Quinine Citrate).--Iron citrate and quinine citrate rendered more soluble by the presence of ammonium citrate. Contains not less than 13 per cent. of iron, Fe. Thin, transparent, deliquescent, greenish or golden yellow, odorless scales, with a bitter, mildly ferruginous taste. Rapidly and completely soluble in cold water, partly soluble in alcohol. ACTION AND USES: Used as a bitter iron tonic. Of doubtful value. DOSAGE: 0.25 Gm. or 4 grains. _Vinum Ferri Amarum (Vin. Ferr. Amar.), Bitter Wine of Iron, N.F._--Iron and quinine citrate (5%) in tincture of sweet orange peel, syrup and sherry wine. Absolute alcohol content about 17 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.) =Ferri Glycerophosphas (Ferr. Glycerophos.), Ferric Glycerophosphate, N.F.= (Ferric Glycerinophosphate). Yellowish-green scales or powder, odorless and nearly tasteless. Freely soluble in water (1:2) and insoluble in alcohol. ACTION AND USES: Reputed "tonic," but without advantage over the ordinary iron salts. DOSAGE: 0.2 Gm. or 3 grains. =Ferri Hydroxidum, Ferric Hydroxide.= _Ferri Hydroxidum cum Magnesii Oxido (Ferr. Hydrox. cum Mag. Oxid.), Ferric Hydroxide with Magnesium Oxide, U.S.P._ (Arsenic Antidote, Ferric Hydrate with Magnesia).--A dilute solution of ferric sulphate and a mixture of magnesium oxide with water, kept in separate bottles. When mixed, they yield ferric hydroxide. USES: Antidote for arsenic. DOSAGE: 120 Cc. or 4 fluidounces. _Magma Ferri Hydroxidi (Magm. Ferr. Hydrox.), Ferric Hydroxide Magma, N.F._ (Ferri Hydroxidum, U.S.P. VIII, Ferric Hydroxide).--A suspension of ferric hydroxide in water. =Ferri Hypophosphis (Ferr. Hypophos.), Ferric Hypophosphite, N.F.= White or grayish white, odorless and nearly tasteless powder. Very slightly soluble in water (1:2300); insoluble in alcohol. ACTION AND USES: Reputed "tonic," but without advantage over the ordinary iron salts. DOSAGE: 0.2 Gm. or 3 grains. _Elixir Ferri Hypophosphitis (Elix. Ferr. Hypophos.), Elixir of Ferric Hypophosphite, N.F._--Ferric hypophosphite (1.65%), potassium citrate (2.15%), water and aromatic elixir. Absolute alcohol content about 21 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).