硒属于稀散元素,在工业上用量还不甚大,但应用范围却很广,如电子、化工、陶瓷、玻璃、医药和冶金等工业都有所应用。近年来,硒在电子工业和电气工业领域里应用的比例是:90%用于干板整流器,10%用于干电池、干印刷板和电视录象机等。目前,我国所研制的复印机,其主要部件硒鼓,X光静电射影的硒板,所用的硒量也逐渐增加。电子工业领域中使用的硒,其纯度在 Selenium is a scattered element, the amount used in the industry is not very large, but the scope of application is very wide, such as electronics, chemicals, ceramics, glass, pharmaceutical and metallurgical industries have applications. In recent years, the share of selenium used in the electronics and electrical industries has been 90% for dry-plate rectifiers and 10% for dry cells, dry printing plates and video recorders. At present, our country developed copiers, the main components of cartridges, X-ray electrostatic selenium board, the amount of selenium is also gradually increased. Selenium used in the electronics industry, its purity in