Fakitale yopatsa ufa wa senuum / pellets / mikanda / se granules ndi mtengo wabwino kwambiri

Fakitale yopatsa ufa wa Selenium / pellets / mikanda / se granules okhala ndi chithunzi chabwino kwambiri
  • Fakitale yopatsa ufa wa senuum / pellets / mikanda / se granules ndi mtengo wabwino kwambiri
  • Fakitale yopatsa ufa wa senuum / pellets / mikanda / se granules ndi mtengo wabwino kwambiri
  • Fakitale yopatsa ufa wa senuum / pellets / mikanda / se granules ndi mtengo wabwino kwambiri

Kufotokozera kwaifupi:

Dzina lazogulitsa: Selenium se

Formula: se

Kuyera: 99.9% - 99.9999%

Cas No: 7782-49-2

Maonekedwe: ufa kapena granules

Kukula kwa tinthu: 200 mesh, 2-5mm, etc

Brand: epoch-Chem


Tsatanetsatane wazogulitsa

Matamba a malonda

Mafotokozedwe Akatundu

Amorphous ofiira ofiira, akukhala akuda ataimirira ndi kristano pakutentha; Mafomu auzimu ndi colloidal atha kukonzekera.

Fomu yamorphous imafewetsa 40 ° C ndipo imasungunuka pa 217 ° C. Sizimachitika kawirikawiri mu dziko loyambirira lachilengedwe, kapena ngati mafuta oyera.

Chifanizo

CHITSANZO:
Se
Chiphaso
7782-49-2
Nambala ya Atomiki:
34
Kulemera kwa atomiki:
78.96
Kuchulukitsa:
4.79 gm / cc
Malo osungunuka:
217 OC
Malo owiritsa:
684.9 OC
Mafuta Awo:
0.00519 w / cm / k @ 298.2 k
Kusamala kwamagetsi:
106 microhm-cm @ oc
Electronegatality:
2.4
Kutentha kwapadera:
0.767 cal / g / k @ 25 OC
Kutentha kwa Vaporilization:
3.34 k-cal / gm atomu pa 684.9 oc
Kutentha kwanyengo:
1.22 cal / gm mole
Ocherapo chizindikiro
Asoch-chem

Karata yanchito

Kupanga: Selenium (i) chlorid, Selenium Dichloride, Seleclides, Mercrory Selenide.

2 Mafakitale aluso apamwamba: Afiledi, zinc Elenade, mkuwa wa Indiaum Galuum ikani.

3 yamagetsi: Semiconductors, zitsulo zamagetsi, Tetoraleniam tetranride.

4 Chemistry: Selenols, Selenium Inofolope, plastics, kuwonekera kwa zithunzi.

Kugwiritsa ntchito kwa makampani 5: kupanga galasi, Selenium Drum, chithunzi chamagetsi, chida chowoneka.

Zabwino zathu

Osowa kwambiri padziko lapansi - ozizira-oxide-ndi-mtengo-2

Ntchito Titha Kupereka

1) Contrated mgwirizano wovomerezeka akhoza kusankhidwa

2) Mgwirizano wachinsinsi ungasainidwe

3) Masiku asanu ndi awiri obweza ngongole

Chofunika kwambiri: Sitingangopereka malonda okha, koma njira yaukadaulo yaukadaulo!

  • M'mbuyomu:
  • Ena:

    • Zogulitsa Zogwirizana