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

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

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

Mafotokozedwe Akatundu

Amorphous ufa wofiira, kukhala wakuda pakuyima ndi crystalline pa kutentha;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.

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

Kugwiritsa ntchito

1 Kupanga: selenium(I) kloridi, Selenium dichloride,Selenides, mercury selenide.

2 Sayansi yapamwamba yaukadaulo: lead selenide, zinki selenide, mkuwa indium gallium diselenide.

3 Zamagetsi:semiconductors,electropositive zitsulo,Tetraselenium tetranitride.

4 Chemistry: Selenols, selenium isotope, Pulasitiki, kuwonetsa zithunzi.

5 Ntchito yamakampani: Kupanga magalasi, ng'oma ya selenium, chithunzi cha electrostatic, chida chowunikira.

Ubwino Wathu

Rare-earth-scandium-oxide-ndi-mtengo-wambiri-2

Service titha kupereka

1) Mgwirizano wovomerezeka ukhoza kusainidwa

2) Mgwirizano wachinsinsi ukhoza kusainidwa

3) Chitsimikizo chobwezera ndalama masiku asanu ndi awiri

Chofunika kwambiri: sitingapereke mankhwala okha, koma ntchito yothetsera teknoloji!

  • Zam'mbuyo:
  • Ena:

    • ZOKHUDZANA NAZO