- 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.
No comments:
Post a Comment