针对采用石墨炉原子吸收光谱法测定血、尿铅的实验室普遍存在的准确度、精密度及检测结果的重现性较差等现象,结合标准、规范和各实验室的实际情况,探讨实验室在检测过程中关于采(留)样、样品的储存及所选择的检测方法等存在的共性问题,并提出针对性的解决方案,旨在进一步推动和提高生物样品检测实验室的整体水平。 In view of the ubiquitous accuracy, precision and poor reproducibility of the results of the determination of blood and urine lead by graphite furnace atomic absorption spectrometry in the laboratory, and combining with the standards, norms and the actual situation of the laboratories, the experiment Room in the detection process on the mining (sample), the storage of samples and the choice of testing methods exist common problems, and put forward targeted solutions to further promote and improve the overall level of biological sample testing laboratories.