氢化物发生-原子荧光光谱法测定尿中铅

Determination of Lead in Urine by Hydride-generating Atomic Fluorescence Spectrum Method

采用 AFS-2 3 0型双道原子荧光光度计测定尿中铅 ,对仪器条件、精密度、准确度等方面进行了探讨性实验 ,结果满意 ;方法的检出限为 0 .1 9ng/ ml,相对标准偏差为 2 .0 1 % ,回收率为 91 %～ 1 0 8% ,线性范围 0～ 5 0 0 ng/

This article is about determination of lead in urine with AFS 230 Type dual channel atomic fluorospectrophotometer. Instrumental operating condition, precision and accuracy were also studied with satisfactory results: Determination limit is 0.19ng/ml, relative standard deviation is 2.01%, recovery percent is 91%~108%, linear range is 0~500ng/ml.