Good Wholesale Vendors Nano Mgco3 Powder - Selenium Se powder – Xinglu
Good Wholesale Vendors Nano Mgco3 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.
Certificate:
What we can provide:
Product detail pictures:



Related Product Guide:
We offer great strength in quality and development,merchandising,sales and marketing and operation for Good Wholesale Vendors Nano Mgco3 Powder - Selenium Se powder – Xinglu, The product will supply to all over the world, such as: Armenia, Spain, Greenland, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.

This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
