The Pharmacopoeia of the United States of America; 4th Decennial Revision

The Pharmacopoeia of the United States of America; 4th Decennial Revision

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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. 1864 edition. Excerpt: ... this aside, and continue the percolation until twenty fluidounces more of tincture have been obtained. Evaporate this to four fluidounces, mix it with the reserved tincture, and filter through paper. FERRUM. Ferri Chloridum. Chloride of Iron. Take of Iron, in the form of wire and cut in pieces, two troyounces; Muriatic Acid twelve troyounces; Nitric Acid a troyounce, or a sufficient quantity. To eight troyounces of the Muriatic Acid, introduced into a two-pint flask, add the Iron, and apply a gentle heat until the Acid is saturated and effervescence has ceased. Filter the solution, add to it the remainder of the Muriatic Acid, heat the mixture nearly to the boiling point in a fourpint porcelain capsule, and add Nitric Acid in successive portions until red fumes are no longer evolved, and a drop of the liquid ceases to yield a blue precipitate with ferridcyanide of potassium. Transfer the liquid to a smaller capsule, evaporate it by a gentle heat, on a sand-bath, until reduced to eight troyounces and three hundred and sixty grains, and set it aside, covered with glass, for several days, in order that it may form a solid, crystalline mass. Lastly, break this into pieces, and keep the fragments in a well-stopped bottle protected from the light. In orange-yellow, crystalline pieces, very deliquescent, and wholly soluble in water, alcohol, and ether. Its solution in water affords with ammonia a brown precipitate of hydrated sesquioxide of iron, and does not yield a blue one with ferridcyanide of potassium (red prussiate of potassa). Ferri Citras. Citrate of Iron. Take of Solution of Citrate of Iron a convenient quantity. Evaporate it to the consistence of syrup, and spread it on plates of glass, so that, on drying, the salt may be obtained in scales....show more

Product details

  • Paperback | 80 pages
  • 189 x 246 x 4mm | 159g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236542312
  • 9781236542311