Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta
Fa'amatalaga o oloa
seleni pauta uamea
1. Vaega
Fa'ailoga: | Se |
CAS | |
Numera Atomic: | 34 |
Atomic Weight: | 78.96 |
Malosi: | 4.79 gm/cc |
Lisi Lisi: | 217 oC |
Fa'apuna: | 684.9 oC |
Amioga vevela: | 0.00519 W/cm/K @ 298.2 K |
Tete'e eletise: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Paulings |
Avela faapitoa: | 0.767 Cal/g/K @ 25 oC |
vevela o le ausa: | 3.34 K-cal/gm atom i le 684.9 oC |
Vevela o Fusion: | 1.22 Cal/gm mole |
3. Mata'utia
Selenimasima e oona i le tele o aofa'i, ae e mana'omia fua fa'atatau mo le fa'aogaina o le telefoni
4. Talosaga
Seleni ua faʻaaogaina nei i le tele o faʻaoga, mai tioata ma metallurgical applications i pigments, faʻatoʻaga ma mea tau eletise.
Tusi Faamaonia:
O mea e mafai ona matou saunia: