Cas 7782-49-2 ukucoceka okuphezulu 99.9% -99.999% Selenium Se powder

I-Cas 7782-49-2 ukucoceka okuphezulu 99.9% -99.999% iSelenium Se powder Umfanekiso ofakiweyo
  • Cas 7782-49-2 ukucoceka okuphezulu 99.9% -99.999% Selenium Se powder
  • Cas 7782-49-2 ukucoceka okuphezulu 99.9% -99.999% Selenium Se powder
  • Cas 7782-49-2 ukucoceka okuphezulu 99.9% -99.999% Selenium Se powder

Inkcazelo emfutshane:

1. Igama lemveliso: Selenium Se powder
2. Inombolo yeCas: 7782-49-2
3. Ubunyulu: 99.9% - 99.999%
4. Ubungakanani be-particle: 200 mesh


Iinkcukacha zeMveliso

Iithegi zeMveliso

Ingcaciso yeMveliso
selenium umgubo wesinyithi

1. Iimpawu 

Uphawu:

Se

CAS

7782-49-2

Inombolo yeAtom:

34

Ubunzima beAtom:

78.96

Ubuninzi:

4.79 gm/cc

Indawo yokunyibilika:

217 oC

Indawo yokuBilisa:

684.9 oC

I-Thermal Conductivity:

0.00519 W/cm/K @ 298.2 K

Ukuxhathisa koMbane:

106 microhm-cm @ 0 oC

I-Electronegativity:

2.4 IiPawuli

Ubushushu obuthile:

0.767 Cal/g/K @ 25 oC

Ubushushu boMphunga:

3.34 K-cal/gm atom kwi-684.9 oC

Ubushushu beFusion:

1.22 Cal/gm imvukuzane

3. Iingozi

Seleniumiityuwa zinetyhefu kwizixa ezikhulu, kodwa umkhondo uyimfuneko kumsebenzi weselula

4. Izicelo

I-Selenium ngoku isetyenziswa kwiinkqubo ezahlukeneyo, ukusuka kwiglasi kunye ne-metallurgical applications ukuya kwi-pigments, ezolimo kunye ne-electronics.


Isatifikethi:

5

Yintoni esinokubonelela ngayo:

34

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