微量铅的定量测定通常采用双硫腙光度法和火焰原子吸收法。近来,有人用碘化物-甲基异丁酮萃取后用石墨炉原子吸收法测定。但有机试剂有毒,易挥发,造成环境污染。我们对矿山排放水中微量铅,采用塞曼无火焰原子吸收法测定,得到满意的结果。本法的灵敏度为0.0015微克/毫升/1%吸收,测定浓度范围0～0.080微克/毫升。实验部分 Quantitative determination of trace amounts of lead commonly used dithizone photometry and flame atomic absorption spectrometry. Recently, some people with iodide - methyl isobutyl ketone extraction by graphite furnace atomic absorption spectrometry. However, organic reagents are toxic and volatile, causing environmental pollution. We are on the mine discharge of trace lead in water, using Zeeman flame atomic absorption spectrometry determination, and get satisfactory results. Sensitivity of this method is 0.0015 μg / ml / 1% absorption, the determination of the concentration range of 0 ~ 0.080 μg / ml. Experimental part