DOSAGE: 4 Cc. or 1 fluidrachm (N.F.) =Ferri Protochloridum, Ferrous Chloride= (Iron Protochloride). _Liquor Ferri Protochloridi (Liq. Ferr. Protochlor.), Solution of Ferrous Chloride, N.F._ (Solution of Protochloride of Iron).--A solution of ferrous chloride in glycerin and water. USES: Superfluous astringent iron solution. DOSAGE: 0.6 Cc. or 10 minims (N.F.). _Syrupus Ferri Protochloridi (Syr. Ferr. Protochlor.), Syrup of Ferrous Chloride, N.F._ (Syrup of Protochloride of Iron).--Solution of ferrous chloride (5%) in glycerin, orange flower water and syrup. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.) =Ferri Pyrophosphas (Ferr. Pyrophos.), Ferric Pyrophosphate, N.F.= (Soluble Ferric Pyrophosphate). Thin, apple-green, transparent, odorless scales, with an acidulous, slightly saline taste. Freely and completely soluble in water and insoluble in alcohol. ACTION AND USES: Used in iron elixirs; no special advantage over other soluble salts of iron. DOSAGE: 0.25 Gm. or 4 grains. _Elixir Ferri Pyrophosphatis (Elix. Ferr. Pyrophos.), Elixir of Ferric Pyrophosphate, N.F._ (Elixir of Pyrophosphate of Iron).--Ferric pyrophosphate (3.5%), water and aromatic elixir. Absolute alcohol content about 20 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). _Elixir Ferri Pyrophosphatis, Quininae et Strychninae (Elix. Ferr. Pyrophos. Quin. et Strych.), Elixir of Ferric Pyrophosphate, Quinine and Strychnine, N.F._--Ferric pyrophosphate (3.5%), quinine sulphate (0.875%), strychnine citrate (0.014%), ammonium citrate, oil of orange, alcohol, syrup and water. Absolute alcohol content about 23 per cent. USES: A needlessly complex "tonic." DOSAGE: 4 Cc. or 1 fluidrachm (N.F.) =Ferri Subsulphas, Ferric Subsulphate.= _Liquor Ferri Subsulphatis (Liq. Ferr. Subsulph.), Solution of Ferric Subsulphate, U.S.P._ (Monsel's Solution, Solution of Basic Ferric Sulphate). USES: Local styptic and astringent =*Ferri Sulphas (Ferr. Sulph.), Ferrous Sulphate, U.S.P.= (Iron Protosulphate).--FeSO{4} + 7H{2}O. (An impure product is commercially known as copperas). Pale bluish-green, odorless crystals, with a saline styptic taste. Freely soluble (1:1.4) in water, insoluble in alcohol. ACTION AND USES: Hematinic, especially in pills; but mainly used in making pharmaceutical preparations. Formerly used extensively as a disinfectant, but is only deodorant. DOSAGE: 0.1 Gm. or 1-1/2 grains (U.S.P.). _*Ferri Sulphas Exsiccatus (Ferr. Sulph. Exsic.), Exsiccated Ferrous Sulphate, U.S.P._ (Dried Ferrous Sulphate).--Contains not less than 80 per cent. of FeSO{4}. Grayish-white powder. DOSAGE: 0.06 Gm. or 1 grain (U.S.P.) as pills. _Ferri Sulphas Granulatus (Ferr. Sulph. Gran.), Granulated Ferrous Sulphate, U.S.P._ (Precipitated Ferrous Sulphate).--Purified ferrous sulphate. Very pale, bluish-green, crystalline powder. DOSAGE: 0.1 Gm. or 1-1/2 grains (U.S.P.).