The druggist's general receipt book : comprising a copious veterinary formulary, numerous recipes in patent and proprietary medicines, druggists' nostrums, etc., perfumery and cosmetics, beverages, dietetic articles, and condiments, trade chemicals, scientific processes, and an appendix of useful tables / by Henry Beasley.

  • Beasley, Henry
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: The druggist's general receipt book : comprising a copious veterinary formulary, numerous recipes in patent and proprietary medicines, druggists' nostrums, etc., perfumery and cosmetics, beverages, dietetic articles, and condiments, trade chemicals, scientific processes, and an appendix of useful tables / by Henry Beasley. Source: Wellcome Collection.

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    tact with a mixture of nitric acid and alcohol. Crystals of terpine form. By boiling an aqueous solution of terpine with a small quantity of sulphuric or other acid, terpinole is formed, and may be separated by distillation. It has the odour of hyacinths. Test Liquors, Test Raters, &c. Distilled water only should be used in these preparations. In preparing the papers, the liquid should be placed in an earthenware plate or dish, and the paper carefully immersed in it so as to be uniformly wetted, then dried out of the reach of acid, ammoniacal, or other vapours likely to affect it; and afterwards kept in bottles, jars, or cases. Dr. Faraday recommends unsized paper, but Mr. Parnell and other good authorities direct good letter paper to be used. Brazil Paper. Dip paper in a strong decoction of Brazil wood, aud dry it. [It is rendered purple or violet by alkalies; generally yellow by acids.] ' Cabbage Paper. Make a strong infusion of red cabbage leaves, strain it, and evaporate it by a gentle heat till considerably reduced. Then dip the paper in it and dry it in the air. [This paper is of a grayish colour; alkalies change it to green, acids to red. It is a very delicate test; if rendered slightly green by an alkali, carbonic acid will restore the colour.] Dahlia Paper. From the petals of violet dahlias, as cabbage paper. Piker-herry Paper. This is merely paper stained with the juice of the berries. Its blue colour is changed to red by acids, and to green by alkalies. Indigo Paper. Immerse paper in sulphate of indigo, wash it with water rendered slightly alkaline, then with pure water, and dry it in the air. Iodide of Potassium and Starch Paper. Mix starch paste with solution of iodide of potassium, and moisten bibulous paper with it. [It becomes blue when exposed to ozone. Chlorine has the same effect.] Lead Paper. Paper dipped in a solution of acetate of lead. [When moistened it detects sulphuretted hydrogen, which renders it black.] Blue Litmus Paper. Bruise 1 oz. of litmus in a mortar, and add boiling water; triturate together, put them in a