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X射线荧光光谱法测定铝土矿中组分不确定度评估Uncertainty Evaluation for the Determination of Components in Bauxite Samples by X-Ray Fluorescence Spectrometry
袁建, 夏晨光, 刘香英, 刘高辉
X射线荧光光谱法, 铝土矿, 不确定度X-Ray Fluorescence Spectrometry, Bauxite, Uncertainty
《Advances in Analytical Chemistry》, Vol.6 No.2, 2016-05-23
The study discussed the source of uncertainty about measuring the Al2O3 of bauxite by X-ray Fluo-rescence Spectrometry in detail; moreover, we assessed the uncertainty of all components possibly. According to the research we could know there were several reasons that caused the uncertainty about measuring the Al2O3 by X-ray Fluorescence Spectrometry, such as the method of measurement, standard reference materials, weighing error, etc. The uncertainty of each compo-nent was calculated and analyzed quantitatively; the extended uncertainty of measurement results was obtained from synthesis of each uncertainty source.