Sentence Examples


  • It crystallizes from water in large prisms which melt at 168-170° C., and on further heating gives an anhydride and finally chars, emitting a characteristic odour and forming pyroracemic and pyrotartaric acids.
  • These lands are very extensive, and present every degree of fertility and elevation, from the vast chars of pure sand, subject to annual inundations, to the firm islands, so raised by drift-sand and the accumulated remains of rank vegetable matter, as no longer to be liable to flood.
  • The delay attendant on this method of purification is avoided by treating the crude oil with 1 to 2% of a somewhat strong sulphuric acid, which chars and carries down the bulk of the impurities.
 
 

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