Epitome of the Pharmacopeia of the United States and the National Formulary Part 90

=*Zinci Stearas (Zinc. Stear.), Zinc Stearate, U.S.P.=--Chiefly zinc stearate and palmitate.

Fine, bulky, white, tasteless powder, having a faint characteristic odor. Insoluble in water or alcohol.

ACTION AND USES: Similar to, but without special advantage over zinc oxide.

_Unguentum Zinci Stearatis (Ung. Zinc. Stear.), Ointment of Zinc Stearate, N.F._--Zinc stearate (50%) in white petrolatum.

USES: Without advantage over the oxide.

=*Zinci Sulphas (Zinc. Sulph.), Zinc Sulphate, U.S.P.=--ZnSO{4} + 7H{2}O.

Colorless, transparent crystals or granular powder, odorless and having an astringent, metallic taste. Very soluble in water (1:0.6) and freely soluble in glycerin (1:2.5); insoluble in alcohol.

ACTION AND USES: Astringent, styptic and emetic. Much used in eye washes and especially effective in that form of conjunctivitis caused by the Morax-Axenfeld bacillus.

DOSAGE: Emetic, 1 Gm. or 15 grains (U.S.P.) in diluted solution. Locally, 0.1 to 1 per cent. in collyria; 0.5 to 4 per cent. in injections (gonorrhea).

_Liquor Zinci et Alumini Compositus (Liq. Zinc. et Alumin. Co.), Compound Solution of Zinc and Aluminum, N.F._--Zinc sulphate (20%), aluminum sulphate (20%), betanaphthol (0.06%) with oil of thyme in water.

USES: Needlessly complex astringent and antiseptic.

_Liquor Zinci et Ferri Compositus (Liq. Zinc. et Ferr. Co.), Compound Solution of Zinc and Iron, N.F._ (Deodorant Solution).--Zinc sulphate (20%), ferrous sulphate (20%), copper sulphate (6.5%), betanaphthol (0.06%) with oil of thyme and hypophosphorous acid in water.

USES: Needlessly complex antiseptic mixture.

_Pulvis Antisepticus (Pulv. Antisept.), Soluble Antiseptic Powder, N.F._ (Pulvis Antisepticus Solubilis).--Zinc sulphate (12.5%), salicylic acid (0.5%), phenol, eucalyptol, menthol and thymol (each 0.1%) and boric acid.

USES: Needlessly complex antiseptic mixture.

=Zinci Valeras (Zinc. Valer.), Zinc Valerate, U.S.P.= (Zinc Valerianate).

White scales or powder, having a valerian-like odor and a sweetish, astringent, metallic taste. Soluble in water (1:70), often leaving a residue, and in alcohol (1:22).

ACTION AND USES: Formerly deemed a "nerve sedative,"

but is without value.

DOSAGE: 0.125 Gm. or 2 grains (U.S.P.).

_Elixir Zinci Valeratis (Elix. Zinc. Valer.), Elixir of Zinc Valerate, N.F._ (Elixir Zinci Valerianatis, N.F. III).--Zinc valerate (1.75%), ammonium citrate, alcohol, spirit of bitter almond, compound tincture of cudbear, water and aromatic elixir. Absolute alcohol content about 28 per cent.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

=Zinc.u.m (Zinc.), Zinc, U.S.P.=--Zn.

Bluish-white, thin sheets, irregular, granulated pieces, molded pencils or powder. Insoluble in water or alcohol, but dissolves in diluted sulphuric or hydrochloric acid with the evolution of hydrogen.

ACTION AND USES: Reagent for the generation of hydrogen.

=*Zingiber (Zingib.), Ginger, U.S.P.=--Rhizomes.

ACTION AND USES: Flavor, carminative, aromatic and stimulant to the gastro-intestinal tract, because of the irritating action of the volatile oil and resin. Probably has no advantage over other pungent aromatics, such as the mints.

DOSAGE: 1 Gm. or 15 grains (U.S.P.).

_Fluidextractum Zingiberis (Fldext. Zingib.), Fluidextract of Ginger, U.S.P._--Ginger (100%). Absolute alcohol content about 80 per cent.

DOSAGE: 1 Cc. or 15 minims (U.S.P.).

_Oleoresina Zingiberis (Oleores. Zingib.), Oleoresin of Ginger, U.S.P._

USES: Highly irritant.

DOSAGE: 0.03 Gm. or 1/2 grain (U.S.P.).

_Syrupus Zingiberis (Syr. Zingib.), Syrup of Ginger, U.S.P._ Fluidextract of ginger (3%), in alcohol (2%) and syrup.

DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.).

_*Tinctura Zingiberis (Tr. Zingib.), Tincture of Ginger, U.S.P._ (Tincture of Jamaica Ginger).--Jamaica ginger (20%) in alcohol. Absolute alcohol content about 91 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).