2) Secreto pactum potest signari
3) septem diebus refugium fideiussor
Plus momenti: non solum productum, sed technicae solutionis servitium praebere possumus!
1. Product nomen:Selenium Se
2. Formulae: Se
3. Puritas: 99.9%- 99.9999%
4. Cas No: 7782-49-2
5. Aspectus: pulveris vel granula
6. Magnitudo particularis: reticulum 200, 2-5mm, etc
7. Brand: Epoch-Chem
Symbolum: | Se |
CAS | 7782-49-2 |
Numerus atomicus: | 34 |
Pondus atomicus: | 78.96 |
Densitas: | 4.79 gm/cc |
Liquescens punctum: | 217 oC |
Ferveret: | 684.9 oC |
Scelerisque conductivity: | 0.00519 W/cm/K @ 298.2 K |
Resistivity electrica: | 106 microhm-cm @ 0 oC |
Electronegativity: | 2.4 Paulings |
Imprimis Caloris: | 0.767 Col/g/K @ 25 oC |
Calor vaporis; | 3.34 K-cal/gm atomus ad 684.9 oC |
Calor eget. | 1.22 Col/gm mole |
Brand | Epocha-Chem |