摘要
Sodium metal with strong reducibility is used to manufacture tetraethyl lead-an antiknock agent used in gasoline. After the use of leaded gasoline wasbanned, sodium metal is mainly used in dye industry for producing indigo,and pharmaceutical, pesticides, precious metals smelting industries and etc.The consumption of sodium metal in indigo dye sector occupies about 60%of China’s total consumption, while in pharmaceutical intermediates
