Sentence Examples

  • It is further purified by heating in closed vessels, but even then it still contains a certain amount of mineral matter and more or less hydrocarbons.
  • It is purified by boiling with acids, to remove any mineral matter, and is then ignited for a long time in a current of chlorine in order to remove the last traces of hydrogen.
  • A variety of animal charcoal is sometimes prepared by calcining fresh blood with potassium carbonate in large cylinders, the mass being purified by boiling out with dilute hydrochloric acid and subsequent reheating.
  • Thus Demosthenes in his speech "On the crown" accused Aeschines of having "purified the initiated and wiped them clean with (not from) mud and pitch."
  • The solution of ammonium chloride so obtained is evaporated and the crude ammonium chloride purified by sublimation.

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