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对气相色谱法检测无水肼中水含量过程的不确定度进行评定,系统分析检测过程中不确定度来源和各不确定度分量对分析结果的影响,通过对不确定度的分量进行分析和合成,可知标准溶液配制的过程、标准曲线的拟合和测量样品时的重复操作带来的不确定度分量是影响无水肼中水含量测定不确定度的主要来源。
The uncertainty of the water content in anhydrous hydrazine by gas chromatography was evaluated. The sources of uncertainty and the influence of each uncertainty component on the analysis results were systematically analyzed. Through the analysis of the component of uncertainty It can be seen that the process of preparing the standard solution, the fitting of the standard curve and the uncertainty component caused by the repeated operation when measuring the sample are the main sources of the uncertainty affecting the determination of the water content in the anhydrous hydrazine.