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通过对火焰原子吸收光谱法测定铝合金中铬含量的实验过程分析,建立了该法测定铝合金中铬不确定度的数学模型,计算了各不确定度分量,合成标准不确定度和扩展不确定度,找出影响不确定度的重要因素。
Based on the experimental analysis of the determination of chromium in aluminum alloy by flame atomic absorption spectrometry, a mathematical model for the determination of chromium in the aluminum alloy was established. The uncertainty components, the standard uncertainty of synthesis and the expansion To determine the degree of uncertainty and identify important factors.