Tuesday, March 26, 2013


  • Samarium is a chemical element with atomic number 62 and symbol Sm. it a hard, silvery white metal of the lanthanide series.
  • It has a bright silver lustre as well as is reasonably stable in air. It ignites in air at 150°C.
  • It is one of the rare earth elements used to make carbon arc lights which are used in the motion picture industry for studio lighting and projector lights.
  • It makes up about 1% of Misch metal, a material that is used to make flints for lighters.
  • This metal is available commercially so it is not normally necessary to make it in the laboratory, which is just and it is difficult to isolate as the pure metal.

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