The quality control of AAS measurement such as the test preparation, the standard solution and sample preparation method, the sample analysis and the data processing were introduced.
介绍原子吸收光谱法检测过程中实验准备、标准溶液和样品制备方法、样品分析及数据处理等几个环节的质量控制措施。
The experimental instrument, sample preparation and determination method of the trace element Se in solution by total reflection X-ray fluorescence analysis are described in this paper.
本文叙述了用全反射X荧光分析方法测定溶液中微量硒的实验装置、制样技术和测定方法。
The main sources of measurement uncertainties were from sub-uncertainties of sample preparation, calibration solution preparation, calibration curve fitting and instrument measurements, etc.
分析了不确定度的重要来源，包括样品制备、标准溶液配制、标准曲线拟合和仪器测量过程等引入的不确定度分量。
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