Cas 7782-49-2 chiyero chachikulu 99.9% -99.999% Selenium Se powder
Mafotokozedwe Akatundu
selenium metal ufa
1. Mbali
Chizindikiro: | Se |
CAS | |
Nambala ya Atomiki: | 34 |
Kulemera kwa Atomiki: | 78.96 |
Kachulukidwe: | 4.79gm/cc |
Melting Point: | 217 oc |
Malo Owiritsa: | 684.9 oc |
Thermal Conductivity: | 0.00519 W/cm/K @ 298.2 K |
Kukanika kwa Magetsi: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Zolemba |
Kutentha Kwapadera: | 0.767 Cal/g/K @ 25 oC |
Kutentha kwa vaporization: | 3.34 K-cal/gm atomu pa 684.9 oC |
Kutentha kwa Fusion: | 1.22 Cal/gm mole |
3. Zowopsa
Seleniummchere ndi poizoni wambiri, koma kufufuza kuchuluka n'kofunika kuti ma cell ntchito
4. Mapulogalamu
Seleniumtsopano imagwiritsidwa ntchito m'njira zosiyanasiyana, kuyambira pagalasi ndi zitsulo zopangira ma pigment, ulimi ndi zamagetsi.
Satifiketi:
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