Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta po o granules tau

Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta po o granules tau Fa'aaliga Ata
  • Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta po o granules tau
  • Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta po o granules tau
  • Cas 7782-49-2 maualuga mama 99.9% -99.999% Seleni Se pauta po o granules tau

Fa'amatalaga Puupuu:

Igoa o oloa: Seleni Se pauta

Fuafuaga: Se

Mama: 99.9%- 99.999%

Kase Numera: 7782-49-2

Fa'aaliga: pa'u uliuli

Lapo'a: 200 mesh


Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga o oloa

Amorphous efuefu mumu, e uliuli pe a tu ma tioata pe a vevela;e mafai ona saunia fo'i vitreous ma colloidal.

Ole amorphous e faamalulu ile 40 °C ma liusuavai ile 217°C.E seasea tupu i lona tulaga elemene i le natura, poʻo le tuʻufaʻatasia mama mama.

Fa'amatalaga

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

 

Fa'atatauga

1 Gaosiga: seleni(I) chlorid, Seleni dichloride, Selenides, mercury selenide.

2 Saienisi alamanuia tekinolosi maualuga: taitai selenide, saini selenide, kopa indium gallium diselenide.

3 Eletise: Semiconductor, metala eletise, Tetraselenium tetranitride.

4 Chemistry: Selenols, seleni isotope, Palasitika, fa'aalia ata.

5 Fa'aaogāga tau alamanuia: Fa'amea tioata, pa'u seleni, ata fa'aeletise, meafaigāluega.

O Tatou Fa'amanuiaga

E seasea-lalolagi-scandium-oxide-ma-tau-tele-2

Auaunaga e mafai ona matou saunia

1) E mafai ona sainia konekarate aloaia

2) E mafai ona sainia le maliega fa'alilolilo

3) Faʻamaonia aso e fitu e toe faʻafoʻi ai

E sili atu le taua: e mafai ona matou tuʻuina atu e le gata o oloa, ae o auaunaga faʻatekonolosi!

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