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汞是在常温下唯一呈液态的金属,又名水银,银白色,比重13.546,熔点-38.87℃,沸点357℃。汞能与许多金属形成合金,称为汞齐。汞由于有特异的物理化学性能,被广泛用于化学、电气、仪表及军事工业等。此外,还用作原子核反应堆的冷却剂和防原子辐射材料,也用于提取有色金属,用混汞法提取金和从炼铅的烟尘中提取铊以及用于提取铝,在医药方面也有一定的用途。
Mercury is the only liquid metal at room temperature, also known as mercury, silver white, the proportion of 13.546, the melting point of -38.87 ℃, the boiling point of 357 ℃. Mercury can form alloys with many metals, called amalgams. Mercury is widely used in chemical, electrical, instrumentation and military industries due to its specific physico-chemical properties. In addition, it is also used as a coolant and anti-atomic radiation material for nuclear reactors. It is also used to extract non-ferrous metals, to extract gold from amalgam, to extract thallium from soot and to extract aluminum, and also to be used in medicine use.