ruthenium :

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ruthenium


  • n  a rare polyvalent metallic element of the platinum group; it is found associated with platinum

  • An odd mother-daughter combination is ruthenium-rhodium 106.
  • This embraces 98 separate "strategic" materials, including many that have to be imported, going all the way down to ten troy ounces of precious ruthenium metal.
  • One British paper, for instance, tells about the troublesome chemistry of ruthenium, a rare element that had almost no importance before atomic science was born.

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