The extra pharmacopoeia / by William Martindale ... and W. Wynn Westcott.

  • Martindale, William, 1840-1902.
Date:
1901
Catalogue details

Licence: In copyright

Credit: The extra pharmacopoeia / by William Martindale ... and W. Wynn Westcott. Source: Wellcome Collection.

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

    12/724 (page 8)
    vlii THE EXTEA PnAUMACOP(ElA. Many of the pharmaceutical processes in this Addendum appear not to have been tested practi- cally, e.g., in preparinof Liquid Extract of Couch Grass the drug- is directed to be ditrest-ed for six hours with five times its weight of boiling' distilled water, and the operation is to be repeated twice. The fii-st quantity of water does little more than completely saturate the drug-: very little liquid can be poured off. so that a double quantity might as well have been added on the first occasion. The three successive infusions when mixed and evaporated with the addition of one-third of alcohol form a liquor, which after standing- twenty-four hours is directed to be filtered, but such a mucilagin- ous mixture cannot be filtered. In the formula for Extractum G-rindelias Liquidum distilled water 10 ounces are ordered. At least 1.5 or more ounces are required for the process. In making Acetum Urg-inea3 (corresponding- to Acetum gcilla?). the Indian Squill is to be bruised ; whether in the fresh or dried state is not stated, which makes the pre- paration a very indefijiite one. Some of the drugs, if introduced on their own merits, might prove of service, but we question if many of them will meet with any general recognition even in India or the Colonies. WM. MARTIXDALE. 10, New Cavendish St., W. WM. WYN'X WESTCOTT. 39G, Camden Road, X. April 2yth, 1901.