Sentence Examples


  • He showed that lead sulphide, a black substance containing only lead and sulphur, could be converted by oxidation into lead sulphate, a white compound containing oxygen as well as lead and sulphur.
  • CO 2 R C02R It may also be prepared by heating the anhydride of y-methyloxyglutaric acid with concentrated sulphuric acid, and by oxidation of methyl heptenone and of geraniol.
  • It can be obtained by the oxidation of uric acid by means of lead dioxide, manganese dioxide, ozone or potassium permanganate: C 5 H 4 N 4 O 3 + H 2 O + O = C 4 H 6 N 4 O 3 + C02.
  • In many parts, particularly in the eastern basin, a calcareous or siliceous crust, from half an inch to three inches in thickness, is met with; and Natterer suggested that the formation of this crust may be due to the production of carbonate of ammonium where deposits containing organic matter are undergoing oxidation, and the consequent precipitation of carbonate of lime and other substances from the waters nearer the surface.
  • On oxidation with potassium permanganate it is converted into acetyl urea, together with other products.

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