A dispensatory, or commentary on the phgarmacopoeias of Great Britain.

  • Robert Christison
Date:
1848
Catalogue details

Licence: Public Domain Mark

Credit: A dispensatory, or commentary on the phgarmacopoeias of Great Britain. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    only should be entrusted at one time to the patient or his attendants. The strength for a lotion for eruptions or painful ulcerations is one part of the medicinal acid in two hundred parts of water, which may be increased afterwards to twice or thrice that proportion. The doses of its only officinal forms are, Acidum Hydrocyanicum, E. Acidum Prussicum, D. min. i. ad min. v.—Acidum Hydrocya- nicum dilutum, L. min. ii. ad min. viij. ACIDUM MURIATICUM, E. Hijdrochloric acid of commerce. Tests, Edin. Density at least 1180. It is always yellow, and commonly contains a little sulphuric acid, oxide of iron, and chlorine. ACIDUM MURIATICUM PURUM, E. ACIDUM HY- DROCHLORICUM, L. ACIDUM MURIATICUM, D. Pure Muriatic Acid. Tests, Edin. Density 1170: nearly or entirely colourless: without action on gold- leaf: not precipitated with solution of nitrate of baryta, if previously diluted with distilled water. Tests, Lon. Without colour, or residuum, when evaporated : not precipitated, when diluted, by ammonia, sesquicarbonate of ammonia, or chloride of barium : without action on gold-leaf or sulphate of indigo : Density 1160 : one hundred grains neutra- lize 132 of carbonate of soda (124 grains, Dub.) Process, Edin. Purify muriate of soda by a naked coahgas flame, so long as any li- dissolving it in boiling water, concentrat- quid passes over, preserving the receiver ing the solution, skimming off the crys- cool by snow or a stream of cold water, tals as they form on the surface, draining Process, Lond. Dub. Take of from them the adhering solution, and Dried chloride of sodium two pounds (100 washing the crystals slightly with cold parts, D.) water. Take of this salt previously well Sulphuric acid 20 ounces (87 parts, D.) dried, of pure sulphuric acid, and of wa- Water 24 fluidounces (120 parts, D.) ter, equal weights : put the salt into a To the chloride contained in a retort add glass retort, and add the acid previously the acid previously diluted with half of diluted with a third part of the water and the water, and put the rest of the water allowed to cool. Fit on a receiver which into the receiver. Distil from a sand- contains the rest of the water. Distil with bath with a gradually increasing heat a gentle heat by means of a sand-bath, or [till the retort become red, Dub.] ACIDUM MURIATICUM DILUTUM, E. L. D. Diluted Muriatic Acid. Process, E. L. D. Take of Distil, water 12 fluidounces (11 meas. D.) Muriatic acid four fluidounces (ten mea- Mix them together. Density of the Dub- sures, D.) lin acid 1080.) For. Names.—Fr. Acide Hydrochlorique ; Ac. Chlorhydrique.—Ital. Acido idroclorico ; Ac. marine — Ger. Salzsaure.—DuL Zootzuur.—Huss. Solnaia kislota.—Tam. Oopoo travagum. Muriatic acid (Spirit of salt; Depurated acid of salt,) has re- ceived a variety of scientific and pharmaceutic names since the re- formation of chemical nomenclature. The Edinburgh and Dublin Colleges have both retained the name first assigned to it; but the London College, in accordance with the principle followed through- out its Pharmacopoeia, has substituted the most received desig- nation of scientific chemistry. The folly of veering with every change of scientific nomenclature is well exemplified in the present instance. For the term I [ydrochloric acid had been scarcely in-
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