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

Uphawu:

Se

I-CAS

7782-49-2

Inombolo Ye-athomu:

34

Isisindo se-athomu:

78.96

Ukuminyana:

4.79 gm/cc

I-Melting Point:

217 oC

Indawo yokubilisa:

684.9 oC

I-Thermal Conductivity:

0.00519 W/cm/K @ 298.2 K

Ukungazweli Kagesi:

106 microhm-cm @ 0 oC

I-Electronegativity:

2.4 Ama-Paulings

Ukushisa Okuthize:

0.767 Cal/g/K @ 25 oC

Ukushisa kwe-vaporization:

3.34 K-cal/gm i-athomu ku-684.9 oC

Ukushisa kwe-Fusion:

1.22 Cal/gm imvukuzane