Periodic Table of Elements

Element Samarium - Sm

Comprehensive data on the chemical element Samarium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Samarium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

Samarium Menu

Overview of Samarium

Samarium's Name in Other Languages

  • Latin: Samarium
  • Czech: Samarium
  • Croatian: Samarij
  • French: Samarium
  • German: Samarium - s
  • Italian: Samario
  • Norwegian: Samarium
  • Portuguese: Samário
  • Russian: Самарий
  • Spanish: Samário
  • Swedish: Samarium

Atomic Structure of Samarium

Chemical Properties of Samarium

Physical Properties of Samarium

Regulatory / Health

  • CAS Number
    • 7440-19-9
  • OSHA Permissible Exposure Limit (PEL)
    • No limits set by OSHA
  • OSHA PEL Vacated 1989
    • No limits set by OSHA
  • NIOSH Recommended Exposure Limit (REL)
    • No limits set by NIOSH
  • Levels In Humans:
    Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
    • Blood/mg dm-3: 0.008
    • Bone/p.p.m: n/a
    • Liver/p.p.m: n/a
    • Muscle/p.p.m: n/a
    • Daily Dietary Intake: n/a
    • Total Mass In Avg. 70kg human: 0.05 mg
  • Discovery Year: 1879
  • Name Origin:
    From the mineral samarskite.
  • Abundance of Samarium:
    • Earth's Crust/p.p.m.: 7.9
    • Seawater/p.p.m.:
      • Atlantic Suface: 0.0000004
      • Atlantic Deep: 6.4E-07
      • Pacific Surface: 0.0000004
      • Pacific Deep: 0.000001
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): 5.2
  • Sources of Samarium:
    Found with other rare earths. The chief ore it is found in is monazite. Around 700 tons are produced world wide on an annual basis. Primary mining areas are in USA, Brazil, India, Sri Lanka and Australia.
  • Uses of Samarium:
    Used in carbon-arc lighting, permanent magnets, organic reagents, lasers, alloys, headphones and as an absorber in nuclear reactors.
  • Additional Notes:

Samarium Menu


A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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