目的建立食品中铅的氢化物发生-原子荧光光谱法。方法样品加硝酸经微波消解,氢化物发生-原子荧光光谱法测定铅含量。结果该法的线性范围为0~50μg/L,相关系数为0.999 5,方法检出限为0.010μg/L,相对标准偏差2.1%~4.4%,回收率为91.2%~108.4%。结论原子荧光光谱法测定食品中铅灵敏度高,准确、快捷。 Objective To establish a hydride generation-atomic fluorescence spectrometry of lead in food. Methods Samples were treated with nitric acid for microwave digestion and determination of lead by hydride generation-atomic fluorescence spectrometry. Results The linear range of this method was 0 ~ 50μg / L, the correlation coefficient was 0.999 5, the detection limit was 0.010μg / L, the relative standard deviation was 2.1% ~ 4.4% and the recovery was 91.2% ~ 108.4%. Conclusion Atomic fluorescence spectrometry for the determination of lead in food is sensitive, accurate and rapid.