Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta

Fa'amatalaga Puupuu:

1. Igoa o oloa: Seleni Se pauta
2. Cas Numera: 7782-49-2
3. Mama: 99.9%- 99.999%
4. Lapopo'a: 200 mesh


Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga o oloa
seleni pauta uamea

1. Vaega 

Fa'ailoga:

Se

CAS

7782-49-2

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

5

O mea e mafai ona matou saunia

34


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