The British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Acts XXI & XXII Victoria Cap. XC (1858) and XXV & XXVI Victoria Cap. XCI (1862), 1898.

  • General Medical Council.
Date:
1898
Catalogue details

Licence: Public Domain Mark

Credit: The British pharmacopoeia / published under the direction of the General Council of Medical Education and Registration of the United Kingdom, pursuant to the Acts XXI & XXII Victoria Cap. XC (1858) and XXV & XXVI Victoria Cap. XCI (1862), 1898. 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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    volumes of the 'alcohol (90 per cent.).' Medical practitioners and pharmacists will note the resulting increase in the proportion of the oil in most of these preparations. In dealing with the Tinctures two chief objects have been kept in view. Pirst, to arrange for greater imiformity of dose : to this end the proportions of the essential ingredients to the menstrua have been so adjusted that the dose of each of the more potent tinctures shall be, as far as possible, from five to fifteen minims, and the dose of the less potent from half a fluid drachm to one fluid drachm. Secondly, to select for each tincture the menstruimi that is best adapted to extract the active constituents of the drug or drugs used in its preparation. The simphfication of dosage has required a few of the tinctures to be re- duced in strength, as regards active principles, while several have been increased. Important alterations of either kind are mentioned in paragraphs printed m smaU type. The inquiry as to the best menstrua has led to the adoption of ethyhc alcohol, that is, ethyhhydroxide, of five several degrees of dilution, namely, alcohol (90 per cent.), alcohol (70 per cent.), alcohol (GO per cent.), alcohol (45 per cent.), and alcohol (20 per cent.). The name proof spirit has been aban- doned. The mode of providing for the constant alkalcidal strength of the Tinctures of Cinchona, Nux Vomica, and Opium, which was introduced in 1885, has been to some extent improved. It has been found practicable to convert the assay, of 1885, for mixed alkaloids m