Fixed Competitive Price Silver Metal - Selenium Se powder – Xinglu
Fixed Competitive Price Silver Metal - 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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As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, Fast Service" for Fixed Competitive Price Silver Metal - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Angola, Uruguay, Sao Paulo, Each product is carefully made, it will make you satisfied. Our products in the production process have got strictly monitored, because it is only to provide you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
