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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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way for Fixed Competitive Price Silver Metal - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Japan, Miami, Finland, We pay high attention to customer service, and cherish every customer. We've maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.
By Nick from Istanbul - 2018.07.26 16:51
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Carey from Boston - 2018.11.06 10:04
