Samarium hlau
Cov ntaub ntawv luv luv
Formula: Sm
CAS Nr .: 7440-19-9
Molecular Luj: 150.36
Qhov ceev: 7.353 g / cm³
Melting point: 1072 ° C
Cov tsos mob: Silvery pob pieces, ingots, pas nrig, ntawv ci, hlau, thiab lwm yam.
Stability: Nruab nrab reactive hauv huab cua
Ductibility: Zoo
Multilingual:Samarium hlaul, Hlau De Samario, Hlau del Samario
Daim ntawv thov:
Samarium Hlau feem ntau yog siv nyob rau hauv zus tau tej cov Samarium-Cobalt (Sm2Co17) mus tas li hlau nplaum nrog ib tug ntawm qhov siab tshaj tiv thaiv demagnetization paub.High purity Samarium Hlau kuj tseem siv los ua tshwj xeeb alloy thiab sputtering lub hom phiaj.Samarium-149 muaj qhov siab hla ntu rau kev ntes neutron (41,000 barns) thiab yog li siv rau hauv kev tswj cov pas nrig ntawm cov tshuab hluav taws xob nuclear.Samarium Hlau tuaj yeem ua tiav rau ntau yam duab ntawm nplooj ntawv, xov hlau, foils, slabs, rods, discs thiab hmoov.
Specification
| Sm/TREM (% min.) | 99.99 ib | 99.99 ib | 99.9 ua | 99 |
| TREM (% min.) | 99.9 ua | 99.5 ua | 99.5 ua | 99 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| La/TREM Ce/TREM Pr/TREM Nd/TREM Eu/TREM Gd/TREM Y/TREM | 50 10 10 10 10 10 10 | 50 10 10 10 10 10 10 | 0.01 ib 0.01 ib 0.03 ib 0.03 ib 0.03 ib 0.03 ib 0.03 ib | 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws |
| Tsis-Re Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe Si Ca Al Mg Mn O C | 50 50 50 50 50 50 150 100 | 80 80 50 100 50 100 200 100 | 0.01 ib 0.01 ib 0.01 ib 0.02 ib 0.01 ib 0.01 ib 0.03 ib 0.015 ib | 0.015 ib 0.015 ib 0.015 ib 0.03 ib 0.001 ib 0.01 ib 0.05 Nws 0.03 ib |
Daim ntawv pov thawj:
Qhov peb tuaj yeem muab tau:
