Soluble in alkalis and nitric acid. Burns in air. Toxic by inhalation or ingestion. USI Selenium is obtained from lead, copper and nickel refining. Conducts electricity when struck by light.
Light causes it to conduct electricity more easily.
It is used in photoelectric cells, TV cameras, xerography machines and as a semiconductor in solar batteries and rectifiers. Also colours glass red. Sources of literature are given on the bibliographic page . If you have comments, correction or suggestions about this site, please send me an e-mail .