Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada

Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada Sawirka leh
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada
  • Cas 7782-49-2 daahir sare 99.9%-99.999% Selenium Se budada

Sharaxaad Gaaban:

1. Magaca alaabta: Selenium Se budada
2. Kaska No: 7782-49-2
3. daahirnimo: 99.9% - 99.999%
4. Cabbirka qaybta: 200 mesh


Faahfaahinta Alaabta

Tags Product

Sharaxaada Alaabta
budada birta selenium

1. Astaamaha 

Astaanta:

Se

CAS

7782-49-2

Lambarka atomiga:

34

Miisaanka atomiga:

78.96

Cufnaanta:

4.79 gm/cc

Meesha dhalaalaysa:

217 oC

Barta Karkari:

684.9 oC

Habdhaqanka Kulaylka:

0.00519 W/cm/K @ 298.2 K

Iska caabin Koronto:

106 microhm-cm @ 0 oC

Electronegativity:

2.4 Paulings

Kuleylka Gaarka ah:

0.767 Cal/g/K @ 25 oC

Kulaylka Uumiga:

3.34 K-cal/gm atamka at 684.9 oC

Kulaylka Fusion:

1.22 Cal/gm mole

3. Khataraha

Seleniummilixdu waa sun xaddi badan, laakiin xaddi raad raac ayaa lagama maarmaan u ah shaqada gacanta

4. Codsiyada

Selenium hadda waxaa loo isticmaalaa codsiyo kala duwan, laga bilaabo dhalooyinka iyo codsiyada birta ilaa midabada, beeraha iyo elektiroonigga.


Shahaado：

5

Waxa aan bixin karno：

34

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