一、铊应用的发展概况铊为稀散金属之一,其来源主要为重有色金属锌、铅、铜冶炼的副产物,铊亦为一种毒性金属,铊金属及其化合物均有毒。在所有稀散金属中,铊较少有重要的工业应用,最初由于其毒性而将其化合物作杀鼠、灭蚁、杀虫和 First, the development of application of thallium Thallium is one of the scattered metals, the main source of heavy non-ferrous metals zinc, lead and copper smelting by-products, thallium is also a toxic metal, thallium metal and its compounds are toxic. Among all the rare-earth metals, thallium has few important industrial applications, and initially its compounds are used for killing mice, ants, insecticides and