应用高灵敏度的无火焰原子吸收法测定痕量金属,在冶金分析中尚未广泛。就测定铅而论,目前报导多半还局限于废水、食品和有机物,而对高纯金属及其氧化物仅有一些为数不多的简单报导。至于硅中铅,测定资料就更为欠缺。我们通过实验认为,应用高温石墨炉无火焰法测定单晶硅中痕量铅是较为满意的。方法准确可靠,操作也不复杂,灵敏度可 Determination of trace metals using high-sensitivity flameless atomic absorption spectrometry has not been extensively used in metallurgy analysis. In terms of measuring lead, most of the current reports are limited to wastewaters, foodstuffs and organic matter, with only a few simple reports on high purity metals and their oxides. As for the lead in silicon, the measurement data is even more lacking. We believe through experiments that the application of high temperature graphite furnace flameless method for the determination of trace lead in monosilicon is more satisfactory. Accurate and reliable method, the operation is not complicated, the sensitivity can be