Samarium Metal Is A Silvery Yellow Lustrous That Tarnishes In Air Will Ignite At About 150 C - China

Samarium ( Sm)

Samarium is a silvery- yellow lustrous metal that tarnishes in air.

Samarium will ignite in air at about 150 °C.

The metal is relatively hard and brittle.

It has a rhombohedra structure, a density of 7.536 gm/ cm3, a melting point of 1072 °C, and a boiling point of 1900 °C.

Samarium oxide, or samaria, occurs as a sesquioxide with the formula Sm2O3 - The trivalent oxide is a light- yellowish powder with a specific gravity of 7.1gm/ cm3 and a formula weight of 348.70 - The bivalent oxide is red- brown.

Samarium has 16 isotopes.

Natural occurring samarium contains 7 isotopes, with 3 being unstable with long half- lives.

The major commercial application of samarium is in samarium- cobalt magnets which have permanent magnetization second only to neodymium magnets; however, samarium compounds can withstand significantly higher temperatures, above 700°C, without losing their magnetic properties.

Radioactive isotope samarium- 153 is the major component of the drug samarium ( 153Sm) lexidronam ( Quadramet) which kills cancer cells in the treatment of lung cancer, prostate cancer, breast cancer and osteosarcoma.

Purity: Sm/ TREM ≥ 99.99%

Packing: In iron drums with inner double PVC bags of 100kg net each, or packed according to customers' specifications.

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