99.999%-99.9999%Selenium granule shot powder oxygen-free

Selenium (Se)

Physical character:

Atomic Weight: 78.96

Electronegative: 2.48

Density: 蟻=4.82 g/cm³

Melting Point: mp: 217 鈩?/span>

Boiling Point: bp: 684.9 鈩?/span>

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, Ga, In, Mg, Ni, Pb, Sb, Te & 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, Au, Bi, Co, Cu, Fe & Ni is bellow 1 ppm.

Physical Size:

Virgulate, Powder.

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..

Packing:

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