Chemical Experiments

Chemical Experiments

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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. 1842 edition. Excerpt: ...appearance, and dull yellowish or grey color, without much lustre and magnetic. Nodules of this variety of sulphuret are very frequently found scattered over the downs and fields in many parts of the country, and are called, from their erroneously attributed origin, thunderbolts. 1010. Artificial volcano.--Mix 28 pounds of sulphur and 28 pounds of iron filings together, and add as much water as will form the whole into a paste; bury the mass about 2 feet below the surface of the earth, and in twelve or fourteen hours so much heat will be generated as to swell the earth, and cause an artificial volcano, throwing up whatever impedes its progress, and scattering round ashes of a yellowish and black color. To succeed in this experiment, advantage should be taken of warm weather, (in the months of June, July, or August, ) and after the tenth hour of burying the mass, care must be taken not to approach too near its situation. In this experiment, the air being excluded, the iron is the medium of decomposition. The heat of the situation permits the iron filings to attract the oxygen of the water to itself;--in doing this the latent caloric of the oxygen combines with the hydrogen and sulphur, and produces the flames, which having the power of repulsion or of dilating bodies, swell and burst the earth, and the volcanic matter which is the residuum of combustion is thrown out. 1011. Sulphuret of zinc, blende, black Jack.--It maybe formed artificially by melting oxyde of zinc with sulphur. The following which applies to numerous other metals is a beautiful experiment: --1012. Mix together zinc filings and powdered sulphuret of mercury, (vermillion) throw a little of this mixture into a red hot crucible. The mercury is revived, and the zinc and sulphur unite.
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Product details

  • Paperback | 184 pages
  • 189 x 246 x 10mm | 340g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236653297
  • 9781236653291