High reputation Nano Cerium Oxide Power - Selenium Se powder – Xinglu
High reputation Nano Cerium Oxide Power - Selenium Se powder – Xinglu Detail:
Product Description
selenium metal powder
1. Features
Symbol: |
Se |
CAS |
7782-49-2 |
Atomic Number: |
34 |
Atomic Weight: |
78.96 |
Density: |
4.79 gm/cc |
Melting Point: |
217 oC |
Boiling Point: |
684.9 oC |
Thermal Conductivity: |
0.00519 W/cm/K @ 298.2 K |
Electrical Resistivity: |
106 microhm-cm @ 0 oC |
Electronegativity: |
2.4 Paulings |
Specific Heat: |
0.767 Cal/g/K @ 25 oC |
Heat of Vaporization: |
3.34 K-cal/gm atom at 684.9 oC |
Heat of Fusion: |
1.22 Cal/gm mole |
3. Hazards
Selenium salts are toxic in large amounts, but trace amounts are necessary for cellular function
4. Applications
Selenium is now used in a variety of applications, from glass and metallurgical applications to pigments, agriculture and electronics.
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We strive for excellence, service the customers", hopes to become the best cooperation team and dominator enterprise for personnel, suppliers and customers, realizes value share and continuous promotion for High reputation Nano Cerium Oxide Power - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Haiti, Ecuador, Egypt, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and perfect service . We also warmly welcome customers to visit our company and purchase our products.
By Natalie from Uzbekistan - 2018.11.02 11:11
The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
By Bertha from Monaco - 2017.04.28 15:45