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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It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for Well-designed Nano Tin Oxide Power - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Maldives, Grenada, Jordan, Ensuring high product quality by choosing the best suppliers, now we have also implemented complete quality control processes throughout our sourcing procedures. Meanwhile, our access to a large range of factories, coupled with our excellent management, also ensures that we can quickly fill your requirements at the best prices, regardless the order size.
By Sara from kazakhstan - 2017.12.19 11:10
The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
By Raymond from Turkey - 2017.04.18 16:45
