ICP-AES法测定4J32膨胀合金中铜的不确定度分析  

Analysis of uncertainty for determination of Cu in expansion alloy 4J32 by ICP-AES

作　　者：刘虹[1] 杨胜喜[1] 徐丽辉[1] 

机构地区：[1]重庆仪表材料研究所国家仪表功能材料工程技术研究中心,重庆400700

出　　处：《冶金分析》2003年第3期45-47,共3页Metallurgical Analysis

摘　　要：采用ICP-AES法测定4J32膨胀合金中铜的含量,应用现代统计学理论对其分析结果进行不确定度评定,分析了误差源及各误差源对总不确定度的影响,确定了测定结果的置信区间。Cu content in expansion alloy 4J32 was determined by ICP-AESThe uncertainty of the results was evaluated by statistics. The source of error and its effects on total uncertainty were analyzedThe confidential interval of the results was determined

关 键 词：4J32膨胀合金 铜 测定 不确定度 ICP-AES 置信区间 

分 类 号：TG115.3[金属学及工艺—物理冶金]