高纯稀土氧化物的火花源质谱定量分析

摘要: 采用同位素稀释和相对灵敏度因子法相结合，定量分析了高纯稀土氧化物Ｔｍ２Ｏ３、Ｔｂ４Ｏ７和Ｅｕ２Ｏ３（纯度９９．９９９％～９９．９９９９％）中２５种痕量稀土杂质与非稀土杂质元素，测定下限为０．０Ｘ～０．００Ｘμｇ／ｇ，相对标准偏差在３０％以内，其中Ｃｕ、Ｚｎ、Ｂａ、Ｄｙ、Ｅｕ采用同位素稀释法分析，相对标准偏差均在１０％以内。

Abstract: Analysis of Trace Elements in High Purity Rare Earth Oxide by Spark Source Mass SpectrometrySui Xiyun; Wang Zishu; Liu Huiming; Bi Shuwei; Ma Huijinn; Wen Jin(Changchun Institute of Applied Chemistry, Chinese Academy of Sciences,Changchun 130022,China)Abstract:Quantitative analysis of 25 trace elements in high purity Eu2O3,Tb4O7 and Tm2O3samples by isotope dilution spark source mass spectrometry are described. The detection limit of the method is 0. 0X~0. 00Xμg/g,relative standard derivation is 5%~30%.Keywords: isotope dilution spark source mass spectrometry, trace elements,rare earth oxide