Selenium
Selenium
Physical Properties
Atomic number: 34
Atomic Weight: 78.89
Melting Point: 217°C
Boiling point: 684.9°C
Density: 4.81g/cm
Selenium is a solid with gray metallic luster.
Chemical property
Selenium can burn in air and sent out blue flame, generate two selenium oxide. It can also react with metal or non-metal directly, including hydrogen and halogen, but it can not react with inoxidability acid
Specification
Se-5N(99.999%), <10 ppm
Se-6N(99.9999%), <1 ppm
Application
Selenium is primarily used in the material of toner cartridge, photoelectric material, electrostatic photograph and other materials of optical instrument.