石墨炉原子吸收光谱法检测血铅的方法学研究
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【摘要】目的建立一种简便、快速、准确的血铅测定方法，检测职业接触者和儿童的血铅水平。方法取全血0.1 ml,用HNO3和H2O2进行稀释，用石墨炉原子吸收光谱仪全自动方法进行测定。结果在实验条件下，方法测定的下限为5.0 μg/L，相对标准偏差为2.86%～3.84%，回收率在95.8%～103.6% 之间，已用于分析956例职业接触者和226例儿童血铅，结果满意。结论本法是一种理想的全血铅快速检测方法。
【关键词】石墨炉原子吸收光谱法；血铅；检测
Study on the determination of blood lead by graphite furnace atomic absorption spectrometry method ZHU Jian-feng,MIU Ying，CHEN Jun.Jiangyin Center for Disease Control and Prevention,Jiangyin 214400，China
【Abstract】ObjectiveTo develop a simple,rapid and accurate method for determination of blood lead in order to detect lead level in children and occupational contact crowd.MethodsAfter the 0.1 ml blood was diluted by HNO3 and H2O2,the level of blood lead was determined by graphite furnace atomic absorption spectrometric method.ResultsThe detection limit was 5.0 μg/L，relative SD was between 2.86%～3.84% and recovery rate waw between 95.8% to 103.6%.The method had been successfully used in 956 laborers and 226 children ......
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