Selenium CAS NO.7782-49-2

Selenium (Se) Technic: electrolysis –rectify. Analysis :ICP-MS or GDMS （Please find the COA attached! ） Size : ; lump ;Shot ,Powder Service …

Selenium (Se) Technic: electrolysis –rectify. Analysis :ICP-MS or GDMS （Please find the COA attached! ） Size : ; lump ;Shot ,Powder Service :Supply MSDS Provide solution for materials application. 1, Physical character: Atomic Weight: 78.96 Electronegative: 2.55 Density: ρ=4.81 g·cm?3 Melting Point: 221 ℃ Boiling Point: 685 ℃ 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, In, Mg, Ni, Pb, Sb, Te 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, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te 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.