Volume 1

The elements of materia medica : comprehending the natural history, preparation, properties, composition, effects and uses of medicines / by Jonathan Pereira, F.R.S. & L.S.

  • Pereira, Jonathan, 1804-1853.
Date:
1839-1840
Catalogue details

Licence: Public Domain Mark

Credit: The elements of materia medica : comprehending the natural history, preparation, properties, composition, effects and uses of medicines / by Jonathan Pereira, F.R.S. & L.S. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    !igcs over other chalybeates are its ready solubility in water, its palatable iiste, and the facility with which it may be mixed with various saline ubstances, without undergoing decomposition. It contains more oxide f iron than the same quantity of sulphate. The dose for an adult is ive or six grains in powder, pill, or solution. It may be exhibited in •orter without being detected by the taste. It may be added to the ompound decoction of aloes without suffering decomposition. Fer'ri Ace'tas.—Acetate of I'ron. History.—A solution of iron in acetic acid has long been known and used in the arts. It constitutes the iron liquor of the dyer. Preparation. — In the Dublin Pharmacopoeia acetate of iron is directed to be prepared by digesting, for three days, one part of carbonate - of iron (sesquioxide) in six parts of acetic acid, and then filtering. Properties.—It is a deep-red liquid, having an acid chalybeate taste, i Lt reddens litmus. Characteristics.—When heated, it yield acetic acid. Ferrocyanide of potassium strikes a blue colour with it; infusion of galls a purplish i olack. Composition.—It consists of the acetate of the protoxide and acetate of the sesquioxide of iron. The Physiological Effects and Uses are the same as other ferru- ginous compounds. The Dose is from ten to twenty-five drops, in water. Ferri Acetatis Tjnctura, Ph. Dubl. (Acetate of potash, two oarts ; sulphate of iron, one part; rectified spirit, 26 parts. Rub together t he acetate and sulphate, then dry, and add the spirit. Digest for seven days, then filter.)—In this process sulphate of potash and acetate of iron i ire formed: the latter, as well as the excess of the acetate of potash, dissolves in the spirit. It is a claret-coloured tincture. It possesses the uisual properties of a ferruginous compound. It is said to be an agreeable chalybeate, and was introduced into the Dublin Pharmacopoeia by Dr. I Perceval. The dose is from half a drachm to a drachm. Tjnctura Acetatis Ferri cum Alcohol, Ph. Dubl. (Sulphate rif iron; acetate of potash, aa §j.; alcohol, Sxxxij. Triturate together he sulphate and acetate, then dry, and when cold add the alcohol. I Digest for twenty-four hours.)—The dose is twenty drops to a drachm. Order 27.—Binoxide of Manganese. Mangane sii Binox'ydum.—Binox'ide of Man'ganese. History.—Native binoxide of manganese has been long known and used in the manufacture of glass {magnesia vitriariorum) ; but until Kami, in 1770, succeeded in extracting a peculiar metal from it, it was usually regarded as an ore of iron. It is commonly termed native black i or peroxide of manganese, or for brevity manganese. Natural History.—The oxide of manganese used in chemistry and pharmacy is the native anhydrous binoxide, called by mineralogists mjrolusite. It is found in great abundance in Cornwall, Devonshire, friomersetshire, and Aberdeenshire, from whence most of what is met with