Discountable price Nano Zirconium Oxide Powder - Selenium Se powder – Xinglu
Discountable price Nano Zirconium Oxide Powder - 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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Our products are broadly regarded and reliable by end users and can meet up with constantly transforming financial and social requires of Discountable price Nano Zirconium Oxide Powder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Nepal, UAE, Mauritania, We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with customers both at home and abroad. We expect sincere cooperation and common development!
By Elva from Sao Paulo - 2018.05.22 12:13
In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
By Steven from Angola - 2017.02.28 14:19
