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随着现代地质学的发展,稀土元素作为一种理想的地质地球化学指示剂,日益受到重视,对稀土元素图谱的应用和稀土总量,轻、重稀土含量及相互比值,铕/铕比值等各种稀土模式的研究更趋于普遍和深入,这就给十五个稀土分量的准确测试提出了很高的要求。 多年来,分析工作者采用共沉淀,离子交换,溶剂萃取,柱上色谱等各种化学富集手段,以中子活化,电感耦合等离子体光谱,X射线荧光光谱等各种测定方法,
With the development of modern geology, rare earth elements have received increasing attention as an ideal geo-geochemical indicator. The applications of rare earth elements and total rare earths, light and heavy rare earth contents and their mutual ratios, europium / europium ratio, etc. The research of various rare earth modes tends to be universal and in-depth, which puts high demands on the accurate testing of fifteen rare earth components. Over the years, analysts have used various chemical enrichment methods such as coprecipitation, ion exchange, solvent extraction, column chromatography, and various measurement methods such as neutron activation, inductively coupled plasma spectroscopy and X-ray fluorescence spectrometry,