2. (Pearson.) Arseniate of soda, 4 gr.; water, 4 fl. oz.; dissolve.—Dose, 10 to 30 drops during the day. (See below.)

Solution of Arse′′nious Acid. See Drops, Ague, and Arsenious acid.

Solution of Ar′senite of Potas′sa. Syn. Fowler’s mineral solution; Liquor potassæ arsenitis. (Ph. L.), Liquor arsenicalis (B. P., Ph. E., D., & U. S.), L. Prep. (B. P., Ph. L., & E.) Arsenious acid, coarsely powdered, and carbonate of potassa, of each 80 gr.; distilled water, 1 pint; boil until dissolved, and add, to the cold solution, compound tincture of lavender, 5 fl. dr.; water, q. s. to make the whole exactly measure a pint. Tonic, antiperiodic, and alterative.—Dose, 4 or 5 drops, gradually and cautiously increased; in agues and various scaly skin diseases. It is preferably taken soon after a meal. See Arsenious acid, &c.

Solution of Atropia. Syn. Liquor atropiæ (B. P.). Prep. Atropia, 4 gr.: rectified

spirit, 1 dr.; dissolve, and add water, 7 dr.; mix.—Dose, 1 minim.

Solution of Auro-Chloride of Gold. Syn. Solutio auri ammonio-chloridi. (Furnari.) Prep. Ammonio-chloride of gold, 8 gr.; distilled water and rectified spirit, of each 10 oz.—Dose. A teaspoonful morning and evening in sugared water for dysmenorrhœa and amenorrhœa.

Solution of Bimeconate of Morphiæ. Solutio morphiæ bimeconatis. There is no standard formula for this preparation. It is made about the same strength as tincture of opium. The following contains 1 gr. in 84 minims:—Bimeconate of morphia, 10 gr.; rectified spirit, 1 dr.; distilled water, 13 dr.

Solution of Bismuth and Citrate of Ammonia. Syn. Liquor bismuthi et ammoniæ citratis (B. P.). Purified bismuth, 1; nitric acid, 2; citric acid, 2; solution of ammonia, a sufficiency; mix the nitric acid with an ounce of distilled water, and add the bismuth in successive portions. When effervescence has ceased, apply for ten minutes a heat approaching that of ebullition, and decant the solution from any insoluble matter. Evaporate the solution until it is reduced to 2, then add the citric acid previously dissolved in 4 of distilled water, and afterwards the solution of ammonia in small quantities at a time, until the precipitate formed is redissolved, and the solution is neutral or slightly alkaline to test paper; dilute with distilled water to the volume of 20.—Dose, 12 to 1 dr.

Solution of Bromine. Syn. Liquor brominii. (Pourche.) Prep. Bromine, 1 part; distilled water, 40 parts.—Dose, 5 or 6 drops, 3 times a day. A stronger solution (1 part to 10) is sometimes used externally.

Solution of Carbon (Detergent). Syn. Liquor carbonis detergens. This name is applied to an alcoholic solution of coal tar. Properly diluted it is used externally in skin diseases.