2) Tumellano ea lekunutu e ka tekenoa
3) Tiisetso ea puseletso ea matsatsi a supileng
Habohlokoa le ho feta: re ke ke ra fana ka sehlahisoa feela, empa tšebeletso ea tharollo ea theknoloji!
1. Lebitso la sehlahisoa:Selenium Se
2. Foromo: Se
3. Bohloeki: 99.9% - 99.9999%
4. Cas No: 7782-49-2
5. Ponahalo: phofo kapa granules
6. Boholo ba likaroloana: 200 mesh, 2-5mm, joalo-joalo
7. Letšoao: Epoch-Chem
Letšoao: | Se |
CAS | 7782-49-2 |
Nomoro ea Atomic: | 34 |
Boima ba Atomic: | 78.96 |
Tekano: | 4.79 gm/cc |
Melting Point: | 217 oC |
Sebaka sa ho Bela: | 684.9 oC |
Thermal Conductivity: | 0.00519 W/cm/K @ 298.2 K |
Ho hanyetsa Motlakase: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Lipapali |
Mocheso o khethehileng: | 0.767 Cal/g/K @ 25 oC |
Mocheso oa vaporization: | 3.34 K-cal/gm athomo ho 684.9 oC |
Mocheso oa Fusion: | 1.22 Cal/gm mole |
Brand | Epoch-Chem |