MLD方法正确度和精密度验证试验研究  

Experimental study on accuracy and precision verification of MLD method

作　　者：刘玉兵 隋善耘 廉锋 戴平[1] 李付新 LIU Yubing(China Building Materials Academy,Beijing 100024,China)

机构地区：[1]中国建筑材料科学研究总院,北京100024 [2]平邑中联水泥有限公司,山东临沂273300

出　　处：《水泥》2023年第6期55-59,共5页Cement

摘　　要：对MLD方法检测样品化学成分的精密度和正确度进行验证试验,结果显示:检测的10类不同浓度水平的样品中除氧化钠以外的各化学成分的Horrat值小于1.0,精密度符合要求;使用国家标准样品进行正确度核查,与标准值的差值均不超过标准样品证书声明的重复性限,表明MLD方法精密度和正确度验证通过,满足水泥企业质量控制需求。The precision and accuracy of chemical components detected by MLD method were verified.The results showed that the Horrat values of all chemical components except sodium oxide were less than 1.0 in 10 kinds of samples with different concentration levels,and the precision met the requirements.The accuracy of the national standard sample was checked,and the difference between the test value and the standard value did not exceed the repeatability limit declared by the certificate of the standard sample,indicating that the precision and accuracy of the MLD method passed the verification and met the quality control requirements of cement enterprises.

关 键 词：MLD方法 正确度 精密度 X射线荧光分析 玻璃熔片 Horwitz方程 

分 类 号：TQ172.614[化学工程—水泥工业]