The Edinburgh Philosophical Journal Volume 2

The Edinburgh Philosophical Journal Volume 2

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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. 1820 edition. Excerpt: ... Edward Neave and George Neave, all of Gillingham, county of Dorset, for their invention of " an application of various Gases or Vapours to certain useful purposes." Sealed at Edinburgh 10th December 1819-P. NtUl, Printer. THE EDINBURGH PHILOSOPHICAL JOURNAL. Art. I.--On Peat. By Johh Macculloch, M. D. M. G. S. Lecturer on Chemistry to the Board of Ordnance, &c. Communicated by the Author. (Concluded from Page 59-) J-N describing the natural solution of Peat in water, a few of its chemical qualities were necessarily mentioned. Those which remain to be noticed are of little or no moment in a practical view, nor are they such as to throw much light on the chemical nature of this substance, or on that of the process by which vegetable matter is converted into peat Alcohol, ether, and the alkaline lixivia, extract from it a brown matter, analogous to, or identical with, that which has already been described as capable of being dissolved by water. On evaporating the two former fluids, this matter is obtained in a solid form, but, in the latter case, it combines with the alkali, so as to form a saponaceous compound, analogous to that which is produced by dissolving bistre or wood-tar in the same solutions. It is unnecessary to describe the results obtained from the action of the essential oils, ammonia, or the mineral acids; as they are either analogous to the former, or resemble those which the same substances produce with unchanged vegetable matter, and throw no light on the subject. The object to be kept in view in the chemical examination of peat, is to determine the nature of the change which has taken place between the destruction of the vegetable organization, and the conversion of its substance into this new compound. It is more more

Product details

  • Paperback | 142 pages
  • 189 x 246 x 8mm | 268g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236661877
  • 9781236661876