石墨炉原子吸收法对全血中的铅测定方法研究  

Measurement of whole blood lead by graphite furnace atomic absorption spectrometry

作　　者：刘宇[1] 张琦[2] 张欣[2] 于波[2] 

机构地区：[1]沈阳市皇姑区疾病预防控制中心,沈阳110032 [2]沈阳市疾病预防控制中心,沈阳110031

出　　处：《中国卫生检验杂志》2009年第4期812-813,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：采用石墨炉原子吸收法测定全血中的铅。方法：全血样品经10%硝酸酸化,以塞曼效应扣背景,用石墨炉原子吸收法直接测定。结果：标准曲线在0.0027-350μg/L范围内线性良好,线性方程为Y=0.00082X＋0.0019,相关系数r=0.9991,方法的检出限为0.0027μg/L,相对标准偏差（RSD）〈5%,质控样品检测结果满意。结论：该方法快速、简便,准确度高,重复性好,符合卫生部《血铅临床检验技术规范》要求。Objective： To measure the content of whole blood lead （PbB） by graphite furnace atomic absorption spectrometry. Methods：The whole blood sample was acidified by 10% nitric acid, and measured by graphite furnace atomic absorption spectrometer with zeeman effect background adjustment technology. Results ： The standard curve was linear in the range of 0. 0027 -350μg/L The linear regression eqution ： Y = 0. 00082X ＋ 0. 0019, correlation coefficient r = 0. 9991. The determination limit of the method for PbB was 0. 0027 μg/L, RSD 〈5%, the measurement result of the control sample was satisfactory. Conclusion： The method is rapid, simple, accurate and good repeatable.

关 键 词：血铅 石墨炉原子吸收分光光度法 

分 类 号：O657.31[理学—分析化学]