1, Physical character:

Atomic Weight: 78.96

Electronegative: 2.48

Density: ρ=4.82 g/cm³

Melting Point: mp: 217 ℃

Boiling Point: bp: 684.9 ℃

2, Specification:

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, Co, In, Mg, Ni, Pb, Sb, Te, Zn, Mn,Ca & Tl is bellow 10 ppm;

Uitra Purity Selenium:

Se-06 Grade 99.9999. The content of Selenium is above 99.9999%. The total content of Ag, Al, Mg, Au, Bi, Cd, Co, In, Cu, Fe, Te, Pb & Ni is bellow 1 ppm.

3, Physical Size:

Virgulate, Powder.

4, Usage:

It is mainly used in the preparation of the material of the selenium drum, photoelectric material, electrostatic photogragh and other materials of optical instrument..

5, Packing:

It is packed with dacron film, then covered with a sealed plastic film bag.