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: Swansea, Denmark, Ghana, Our products have won an excellent reputation at each of the related nations. Because the establishment of our firm. we've insisted on our production procedure innovation together with the most recent modern day managing method, attracting a sizable quantity of talents within this industry. We regard the solution good quality as our most vital essence character.
By Elva from Sri Lanka - 2018.12.22 12:52
It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
By Pamela from moldova - 2018.09.08 17:09
