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Fakitale imapereka Selenium ufa / Pellets / Mikanda / Se Granules yokhala ndi mtengo wabwino kwambiri Chithunzi Chowonetsedwa
  • Fakitale imapereka Selenium ufa / Pellets / Mikanda / Se Granules ndi mtengo wabwino kwambiri
  • Fakitale imapereka Selenium ufa / Pellets / Mikanda / Se Granules ndi mtengo wabwino kwambiri
  • Fakitale imapereka Selenium ufa / Pellets / Mikanda / Se Granules ndi mtengo wabwino kwambiri

Fakitale imapereka Selenium ufa / Pellets / Mikanda / Se Granules ndi mtengo wabwino kwambiri

Kufotokozera Kwachidule:

Dzina lazogulitsa: Selenium Se

Fomula: Se

Chiyero: 99.9% - 99.9999%

Cas No: 7782-49-2

Maonekedwe: ufa kapena granules

Tinthu kukula: 200 mauna, 2-5mm, etc

Chizindikiro: Epoch-Chem


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Chiyambi chachidule

1. Dzina lachinthu:Selenium Se
2. Chilinganizo: Se
3. Chiyero: 99.9% - 99.9999%
4. Cas No: 7782-49-2
5. Maonekedwe: ufa kapena granules
6. Tinthu kukula: 200 mauna, 2-5mm, etc
7. Chizindikiro: Epoch-Chem

Khalidwe.

Amorphous ufa wofiira, kukhala wakuda pakuyima ndi crystalline pakuwotcha;mitundu ya vitreous ndi colloidal ikhoza kukonzedwa.
Amorphous mawonekedwe amafewa pa 40 °C ndipo amasungunuka pa 217 °C.Sizichitika kawirikawiri m'chilengedwe chake, kapena ngati mankhwala opangidwa ndi ore.

Kugwiritsa ntchito

1 Kupanga: selenium(I) kloridi, Selenium dichloride,Selenides, mercury selenide.
2 Sayansi yapamwamba yaukadaulo: lead selenide, zinc selenide, mkuwa indium gallium diselenide.
3 Zamagetsi:semiconductors,electropositive zitsulo,Tetraselenium tetranitride.
4 Chemistry: Selenols, selenium isotope, Plastics, kukhudzana ndi zithunzi.
5 Ntchito yamakampani: Kupanga magalasi, ng'oma ya selenium, chithunzi cha electrostatic, chida chowunikira.

Kufotokozera
Chizindikiro:
Se
CAS
7782-49-2
Nambala ya Atomiki:
34
Kulemera kwa Atomiki:
78.96
Kachulukidwe:
4.79gm/cc
Melting Point:
217 oc
Malo Owiritsa:
684.9 oc
Thermal Conductivity:
0.00519 W/cm/K @ 298.2 K
Kukanika kwa Magetsi:
106 microhm-cm @ 0 oC
Electronegativity:
2.4 Zolemba
Kutentha Kwapadera:
0.767 Cal/g/K @ 25 oC
Kutentha kwa vaporization:
3.34 K-cal/gm atomu pa 684.9 oC
Kutentha kwa Fusion:
1.22 Cal/gm mole
Mtundu
Epoch-Chem
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