OEM manufacturer Cuo - Selenium Se powder – Xinglu
OEM manufacturer Cuo - 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 items are commonly identified and trusted by people and can fulfill repeatedly altering economic and social wants of OEM manufacturer Cuo - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Turkey , kazan , South Korea , Our company promises: reasonable prices, short production time and satisfactory after-sales service, we also welcome you to visit our factory at any time you want. Wish we have a pleasant and long terms business together!!!
By Polly
from Lahore
- 2018.02.21 12:14
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
By Rita
from Czech Republic
- 2017.05.02 11:33
