本文对x-射线荧光光谱的制样方法、谱线干扰校正、背景扣除进行了研究,将滤纸片法应用于分析痕量稀土元素,方法准确可靠,快速简便。 In this paper, the preparation method of x-ray fluorescence spectroscopy, the interference correction of spectral line and the background subtraction were studied. The filter paper method was applied to the analysis of trace rare earth elements. The method was accurate, reliable, and quick and easy.