The British Pharmacopoeia

The British Pharmacopoeia

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 edition. Excerpt: ...is present. In the latter case, filter the remainder of the product into a bottle, and add solution of chlorine by degrees, with frequent agitation, until the fluid acquires a permanent odour of chlorine. Add the carbonate of zinc, in small quantities at a time, and with renewed agitation, until a brown sediment appears and the whole of the iron or lead is thus precipitated. Filter the liquid into a porcelain basin, and evaporate until it is reduced to the bulk of two pints. If no iron or lead be present, filter and evaporate to two pints at once. Characters.--A colourless fluid of astringent and sweetish taste. Specific gravity 1-460. It should respond to the tests described under ' Zinci Chloridum.' LITHn CARBONAS. Carbonate of Lithium. L2C03. Characters and Tests.--In white powder or in minute crystalline grains, alkaline in reaction, soluble in 150 parts of cold water, insoluble in alcohol. It dissolves with efferves s cence in hydrochloric acid; and the solution evaporated to dryness leaves a residue of chloride of lithium, which communicates a red colour to the flame of a spirit lamp, and redissolved in water yields a precipitate with phosphate of sodium. Ten grains of the salt neutralised with sulphuric acid and afterwards heated to redness leaves 14-86 grains of dry sulphate of lithium, which, when redissolved in distilled water, yields no precipitate with oxalate of ammonium or solution of lime. Dose.--8 to 6 grains. Preparations for which Carbonate of Lithium is used. Liquor Lithias Effervescens Lithii Citras LITHII CITRAS. Citrate of Lithium. L3C6H507,4Hs0. Synonyms.--Lithiee Citras; Citrate of Lithia. Take of Carbonate of Lithium....50 grains Citric Acid, in crystals.... 90 grains Warm Distilled Water....1 fluid ounce Dissolve the...show more

Product details

  • Paperback | 152 pages
  • 189 x 246 x 8mm | 286g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236530306
  • 9781236530301