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.
Certificate：
What we can provide：
Product detail pictures:
Related Product Guide:
Responsible excellent and fantastic credit rating standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality initial, buyer supreme" for High definition Mno2 Nanopowder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Ethiopia , Madagascar , United Arab Emirates , Nowadays our merchandise sell all over the domestic and abroad thanks for the regular and new customers support. We supply high quality product and competitive price, welcome the regular and new customers cooperate with us!
By Jason
from Romania
- 2018.10.31 10:02
The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
By Jean
from Algeria
- 2018.12.28 15:18
