Epitome of the Pharmacopeia of the United States and the National Formulary / With Comments

by Albion Walter Hewlett; William August Puckner; Torald Hermann Sollmann; Martin I. Wilbert

*Potassii Citras Effervescens (Pot. Cit. Eff.), Effervescent Potassium Citrate, U.S.P.—An effervescent mixture representing potassium citrate (20%), sodium citrate (27.55%) and sodium tartrate (38.7%).

Dosage: 4 Gm. or 1 drachm (U.S.P.).

Liquor Potassii Citratis (Liq. Pot. Cit.), Solution of Potassium Citrate, U.S.P.—Potassium citrate (8%) in water.

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

*Potassii et Sodii Tartras (Pot. et Sod. Tart.), Potassium and Sodium Tartrate, U.S.P. (Rochelle Salt).

Transparent crystals or white powder, odorless and having a cooling, saline taste. Very soluble in water (1:0.9).

Action and Uses: Saline cathartic, of relatively unobjectionable taste.

Dosage: 10 Gm. or 2-1/2 drachms (U.S.P.) in water.

*Pulvis Effervescens Compositus (Pulv. Eff. Co.), Compound Effervescing Powder, U.S.P. (Seidlitz Powder).—The blue paper contains sodium bicarbonate (2.5 Gm.) and potassium and sodium tartrate (7.5 Gm.). The white paper contains tartaric acid (2.16 Gm.).