Cas 7782-49-2 high tsarki 99.9% -99.999% Selenium Se foda
Bayanin Samfura
selenium karfe foda
1. Features
Alama: | Se |
CAS | |
Lambar Atom: | 34 |
Nauyin Atom: | 78.96 |
Yawan yawa: | 4.79 gm/c |
Wurin narkewa: | 217 oc |
Wurin Tafasa: | 684.9 oc |
Ƙarfafa Ƙarfafawa: | 0.00519 W/cm/K @ 298.2 K |
Juriya na Lantarki: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Pauling |
Takamaiman Zafi: | 0.767 Cal/g/K @ 25 oC |
Zafin Vaporization: | 3.34 K-cal/gm atom a 684.9 oC |
Zafin Fusion: | 1.22 Cal/gm mole |
3. Hatsari
Seleniumgishiri yana da guba a cikin adadi mai yawa, amma adadin ganowa yana da mahimmanci don aikin salula
4. Aikace-aikace
Yanzu ana amfani da Selenium a aikace-aikace iri-iri, daga gilashin da aikace-aikacen ƙarfe zuwa pigments, noma da na lantarki.
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