【摘要】 目的　分析离子吸附型稀土富集物中的放射性。方法　利用HPGe-γ谱议测量离子吸附型各种稀土富集物中放射性核素的比活度 ,用FJ— 2 60 3低本底α、β测量仪测定它们的α总放和 β总放 ,用X射线荧光光谱仪分析其中相应的La2 O3 和Y2 O3 含量。结果　HPGe -γ能谱法分析离子吸附型稀土富集物中的放射性 ,具有方便、快速、准确的优点 ,一次测定几乎可以分析所有感兴趣的γ放射性核素 ;X射线荧光光谱法是一种非损坏性的多元素分析方法 ,具有测定含量范围宽 ,分析结果准确的特点。结论　本文为离子吸附型稀土生产中的辐射防护以及三废处理提供了基本数据 ,为深入研究离子吸附型稀土矿提供了方法和经验。更多还原

【Abstract】 Objective To analyze the radioactivity in Rare Earth （RE） enrichment of ion adsorption type RE ores.Methods Using HPGe-gamma spectrometer to analyze the activity ratio of gamma radionuclides in kind of samples,using FJ-2603 low background alpha,beta measurement apparatus to measure their total alpha and total beta activities,and using X-ray fluorescence spectrometer to analyze contents of La₂O₃ and Y₂O₃,respectively.Results HPGe gamma spectroscopy and X-ray fluorescence spectroscopy are simple,convenient and non-destructive methods of analyzing radionuclides and La₂O₃,Y₂O₃ in RE enrichment of ion adsorption type RE ores,respectively.Conclusion In this paper,the basic data were provided for radiation protection and treatment of gas,liquid and solid waste in RE production of ion adsorption type RE ores;method and experience were provided for studying ion adsorption type RE ores.更多还原