High definition Mno2 Nanopowder - Selenium Se powder – Xinglu
High definition Mno2 Nanopowder - 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 always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for High definition Mno2 Nanopowder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Adelaide, Cancun, Iraq, As operation principle is "be market-oriented , good faith as principle, win-win as objective", holding on "customer first, quality assurance, service first" as our purpose, dedicated to provide the original quality, create excellence service , we won the praise and trust in the industry of auto parts. In the future, We will provide quality product and excellent service in return to our customers , welcome any suggestions and feedback from all over the world.
By Yannick Vergoz from Danish - 2018.12.25 12:43
This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
By Beulah from Singapore - 2017.12.31 14:53
