电感耦合等离子体-原子发射光谱法测定塑料中的铅的不确定度评价  

Evaluation of the Uncertainty for Determination of Lead in Plastic by Inductively Coupled Plasma-Atomic Emission Spectrometry

作　　者：葛成相[1] 张霞[2] 

机构地区：[1]合肥市疾病预防控制中心,合肥市宿松路218号230022 [2]安徽省电子产品监督检验所,合肥市230061

出　　处：《光谱实验室》2009年第5期1336-1339,共4页Chinese Journal of Spectroscopy Laboratory

摘　　要：对电感耦合等离子体-原子发射光谱法测定塑料中的铅含量的不确定度进行了评定。建立了该方法的定量数学模型并推导出不确定度计算公式,找出了该检测过程中的不确定度来源,并且计算了公式中各个变量的不确定度,最后计算出了检测结果的合成标准不确定度和扩展不确定度。The uncertainty for determination of lead in plastic by inductively coupled plasmaatomic emission spectrometry was evaluated.The mathematic model was established and calculation formula was deduced.The source of uncertainty was discussed.The uncertainty of each variable was calculated.The combined standard uncertainty and expanded uncertainty were finally obtained.

关 键 词：不确定度 电感耦合等离子体原子发射光谱法 铅 

分 类 号：O657.31[理学—分析化学]