High reputation Nano Cerium Oxide Power - Selenium Se powder – Xinglu
High reputation Nano Cerium 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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Our pros are lessen prices,dynamic sales team,specialised QC,sturdy factories,top quality services and products for High reputation Nano Cerium Oxide Power - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Seattle , Myanmar , Sri Lanka , We are very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
By Barbara
from Honduras
- 2017.09.26 12:12
Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
By Janet
from Jordan
- 2018.09.29 17:23
