3. (Ph. D.) Iron wire, 8 oz.; pure hydrochloric acid, 1 quart; distilled water, 1 pint; mix, and dissolve by a gentle heat; next add, in successive portions, of pure nitric acid, 18 fl. dr.; evaporate by a gentle heat to a pint, and, when cold, mix this in a bottle with rectified spirit, 11⁄2 pint; lastly, after 12 hours, filter. Sp. gr. 1·237.
Obs. This tincture is an active ferruginous tonic.—Dose, 10 to 30 drops, gradually increased, taken in water, ale, or wine. In the old tinctura martis, Ph. L., iron filings, and in the T. ferri muriatis, Ph. E. 1817, black oxide of iron, were used instead of the sesquioxide or carbonate. ‘Bestuchef’s nervine tincture’ of the P. Cod. is prepared by dissolving 1 dr. of dry sesquichloride of iron in 7 dr. of spirit of sulphuric ether. See Golden drops.
Tincture of Sesquini′trate of Iron‡. Syn. Tinctura ferri sesquinitratis, L. Prep. (Onion.) Iron filings, 1⁄2 oz.; nitric acid (1·5), 21⁄4 oz.; dissolve, add of hydrochloric acid (1·16), 6 dr., simmer for 2 or 3 minutes, cool, add of rectified spirit, 8 oz., and filter. Proposed
as a substitute for the last preparation, but the name misrepresents its chemical constitution.
Tincture of Soap. Syn. Tinctura saponis. (P. Cod.) Prep. White soap, 3 oz.; carbonate of potash, 1 dr.; proof spirit, 5 oz. (by weight). Dissolve.
Tincture of Soap with Turpentine. Syn. Tinctura saponis terebinthinata. Baumé de vie externe. Prep. White soap, 3 oz.; oil of turpentine, 3 oz.; spirit of wild thyme, 2 lb.; white of ammonia, 2 oz.
Tincture of Squills. Syn. Tinctura bechica, Tinctura scillæ (B. P., Ph. L., E., & D.), L. Prep. 1. (B. P.) Dried squill, bruised, 1; proof spirit, 8; macerate for 48 hours with 6 of the spirit, agitating occasionally, pack in a percolator, let it drain, and pour on the remaining spirit; when it ceases to drop, press, filter, and make up to 8.—Dose, 15 to 30 minims.
2. (Ph. L.) Squills, recently dried and sliced (or in coarse powder), 5 oz.; proof spirit, 1 quart; macerate for 7 days (14 days—Ph. D.; or by percolation—Ph. E.), press and filter. A stimulating expectorant and diuretic.—Dose, 10 to 30 drops; in chronic coughs, and other bronchial affections.
Tincture of Squills (Alkaline). Syn. Tinctura scillæ alkalina. (Ph. G.) Prep. Squill, 8 parts; caustic potash, 1 part; rectified spirit, 50 parts; macerate, 8 days.
Tincture of Stavesacre (Concentrated). Syn. Tinctura staphisagriæ concentrata. (Dr Turnbull.) Prep. Digest stavesacre seeds in twice their weight of rectified spirit. For external use in neuralgic and rheumatic affections, as a substitute for solution of delphinia.