Model: | 99.99% |
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Brand: | JIN CHENG YUAN |
Origin: | Made In China |
Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Non-ferrous Metal |
Label: | Samarium , Sm2O3 , Rare earth |
Price: |
¥550
/ kg
|
Min. Order: | 100 kg |
Samarium oxide is a pale yellow powder, easy deliquescence, insoluble in water, soluble in mineral acids.
Uses: used for preparation of samarium metal, electronic device, such as magnetic materials.
Element symbol: Sm English Name: Chinese Name: Samarium samarium samarium oxide
Relative atomic mass: 150.4 common valence: +2, +3 electronegativity: 1.17
Peripheral electron configuration: 4F6 6s2 arrangement of extranuclear electrons: 2,8,18,24,8,2
Isotopes and radiation: Sm-144 Sm-145[340d] Sm-146[1.03E8y] Sm-147 (α [1.06E11y] Sm-148 ( put ) on Sm-149α [7.0E15y] ( Sm-150α) on Sm-151[90y] *Sm-152 Sm-153[1.92d] Sm-154 )
Electron affinity and can: 0 KJ ·mol-1
The first ionization energy: 543 KJ ·mol-1 second ionization energy: 1068 KJ· mol-1 third ionization energy : 0 KJ· mol-1
Single density: 7.54 g/cm3 elemental melting point: 1072 ℃boiling point: 1900℃Elemental
Atomic radius: 2.59 angstroms ion radius: 1.08 ( +3 ): 1.62 angstrom angstrom covalent radius
Common compounds: unknown discovery : Brouard Bode Ron time: 1879 location: France
The origin of the name of the:
After samarskite ( samarskite ).
Element description:
Silver white metal.
Elemental source:
And other rare earth elements coexist in monazite sand. Rare earth elements in monazite sand in the mass fraction of usually 50%, wherein the SM 2.8%.
Element use:
Used in electronic and industrial ceramics. SM easy magnetization is difficult demagnetization, this means that future in the solid state component and superconducting technology will have important applications in.
Ganzhou JinChengYuan New Materials Co.,Ltd | |
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Country/Region: | Jiang Xi - China |
Business Nature: | Manufacturer |
Phone: | 15570025729 |
Contact: | miss.kang (saleswomen) |
Last Online: | 28 Jan, 2013 |