Cas 7782-49-2 fìor-ghlan àrd 99.9% -99.999% Selenium Se pùdar

samhla:

Se

CAS

7782-49-2

Àireamh Atamach:

34

Cuideam atamach:

78.96

Dùmhlachd:

4.79 gm / cc

Rubha leaghaidh:

217 oC

puing ghoil:

684.9 oC

Giùlan teirmeach:

0.00519 W/cm/K @ 298.2 K

Frith-aghaidh dealain:

106 microhm-cm @ 0 oC

Leictreonaiceachd:

2.4 Pòl

Teas sònraichte:

0.767 Cal/g/K @ 25 oC

Teas vaporization:

3.34 K-cal/gm atom aig 684.9 oC

Teas Fusion:

1.22 ball-dòrain Cal/gm