Sentence Examples


  • "There's a lot more metals than gold and silver," Dean said.
  • The air was tinged with the scent of burning wood and melted metals, sulfur, and the facility's damp mustiness.
  • IRIDIUM (symbol Ir.; atomic weight 193.1), one of the metals of the platinum group, discovered in 1802 by Smithson Tennant during the examination of the residue left when platinum ores are dissolved in aqua regia; the element occurs in platinum ores in the form of alloys of platinum and iridium, and of osmium and iridium.
  • Many methods have been devised for the separation of these metals (see Platinum), one of the best being that of H.
  • This salt may be used for the separation of cobalt and nickel, since the latter metal does not form a similar double nitrite, but it is necessary that the alkaline earth metals should be absent, for in their presence nickel forms complex nitrites containing the alkaline earth metal and the alkali metal.

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