X射线荧光光谱法测定土壤样品中氯的不确定度评定

基金项目:

国家科技基础条件平台项目--全国分析测试体系的建立与完善[FC（03-04年度）-01]

Uncertainty Evaluation of Measurement Results for the Determination of Chlorine in Soil Samples by X-ray Fluorescence Spectrometry

1.
Zhengzhou Quality Surveision and Testing Center for Mineral Resources, The Ministry of Land and Resouces, Zhengzhou 450012, China
2.

摘要: 用实例对x射线荧光光谱法测定土壤样品中氯的不确定度进行了评定。测量结果的不确定度由仪器综合稳定性、制样、标准物质、回归工作曲线、重复测量等所引入的不确定度分量组成。在对各个不确定度分量进行量化的基础上，通过合成得到测量结果的标准不确定度，再乘以95％置信概率下的扩展因子2，得到测量结果的扩展不确定度。
- 测量不确定度 /
- X射线荧光光谱 /
- 氯
Abstract: The uncertainty of chlorine content in soil samples determined by X-ray fluorescence spectrometry has been evaluated.The uncertainty of measured results mainly comes from integrated stability of the instrument,sample preparation step,standard reference ma
- measurement /
- uncertainty /