Discountable price Nano Zirconium Oxide Powder - Selenium Se powder – Xinglu
Discountable price Nano Zirconium Oxide Powder - 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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Quality First,and Customer Supreme is our guideline to provide the best service to our customers.Nowadays, we are trying our best to become one of the best exporters in our field to meet customers more need for Discountable price Nano Zirconium Oxide Powder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Irish , Plymouth , Panama , Only for accomplishing the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment. We always think about the question on the side of the customers, because you win, we win!
By Caroline
from Victoria
- 2018.08.12 12:27
We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
By Dawn
from Egypt
- 2018.06.19 10:42
