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

Sodii Arsenas Exsiccatus (Sod. Arsen. Exsic.), Exsiccated Sodium Arsenate, U.S.P.—Na₂HAsO₄.

White, odorless, amorphous powder. Freely soluble in water (1:3.1), but only slightly soluble in alcohol.

Dosage: 0.003 Gm. or 1/20 grain (U.S.P.).

Liquor Sodii Arsenatis (Liq. Sod. Arsen.), Solution of Sodium Arsenate, U.S.P.—Exsiccated sodium arsenate (about 1%) in water.

Uses: No advantage over other arsenicals.

Dosage: 0.2 Cc. or 3 minims (U.S.P.).

Liquor Sodii Arsenatis, Pearson (Liq. Sod. Arsen. Pearson), Pearson’s Solution of Sodium Arsenate, N.F. (Liquor Arsenicalis Pearsonii).—Exsiccated sodium arsenate (0.1%) in water. Should not be confounded with Liquor Sodii Arsenatis, U.S.P., which is ten times stronger.

Uses: Superfluous arsenic preparation.

Dosage: 2 Cc. or 30 minims (N.F.).