Well-designed Nano Tin Oxide Power - Selenium Se powder – Xinglu
Well-designed Nano Tin 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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While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Well-designed Nano Tin Oxide Power - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: San Diego, Lithuania, Malaysia, We guarantee that our company will try our best to reduce customer purchase cost , shorten the period of purchase , stable merchandise quality , increase customers' satisfaction and achieve win-win situation .
By Margaret from Rome - 2017.09.29 11:19
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
By Jeff Wolfe from Jersey - 2017.09.26 12:12
