Sentence Examples


  • By turns our purity inspires and our impurity casts us down.
  • This idea of impurity would seem a further proof of the African origin of iron.
  • Gas leaves the retorts saturated with naphthalene, and its capacity for holding that impurity seems to be augmented by the presence of water vapour.
  • Sulphuretted hydrogen is a noxious impurity, and its complete removal from the gas is usually imposed by parliament.
  • Such is the affinity of the oxide for this impurity that it may contain from 50 to 60% by weight of free sulphur after revivification and still remain active.