|
Selenium |
1.Physical Properties
Red or grayer powder; Atomic weight: 78.96; Electro negativity:
2.48; Melting point: 217°C; Boiling point: 684.9°C;
Density: 4.82g/cm3. |
2. Specifications:
Chemical Purity
High Purity Selenium Se-05 Grade 99.999. The content of
selenium is above 99.999%. The total content of Ag, Al,
Bi, Cd, Cu, Fe, Ga, In, Mg, Ni, Pb, Sb, Te and Tl is below
10 ppm.
Ultra Purity Selenium Se-06 Grade 99.9999. The content
of selenium is above 99.9999%. The total content of Ag,
Al, Au, Bi, Co, Cu, Fe and Ni is below 1 ppm. |
| 3.Physical character: lump, ingot, powder. |
4. Packing
The product is sealed in a polyethylene bottle. |
|
|
|
Copyright(C)2002, Newsmart(Nantong) Chem-spec Ind. All Rights
Reserved.
Member of ChemNet.com
CCN Supported
by Hi2000
|
|
|
