Selenium (Se)
1, Physical character:
Atomic Weight: 78.96
Electronegative: 2.48
Density: ρ=4.82 g/cm3
Melting Point: mp: 217 °C
Boiling Point: bp: 684.9 °C
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.