Sentence Examples

  • Of yttria, Y203, and 42.75 of the oxides of erbium, cerium, didymium, lanthanum, iron, beryllium, calcium, magnesium and sodium.
  • ERBIUM (symbol, Er; atomic weight, 165-166), one of the metals of the rare earths.
  • Meyer thinks that the susceptibilities of the metals praseodymium, neodymium, ytterbium, samarium, gadolinium, and erbium, when obtained in a pure form, will be found to equal or even exceed those of the well-known ferromagnetic metals.
  • Many of their compounds are very strongly magnetic, erbium, for example, in Er203 being four times as strong as iron in the familiar magnetite or lodestone, Fe203.
  • In the 4th century it is named by the poet Ausonius in his Ordo nobilium erbium, chiefly, perhaps, on the strength of its historic memories.

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