高纯氧化镝中14种稀土杂质光谱测定  

Spectrographic Determination of Fourteen Rare Earth Elements in Highly Pure Dysprosium Oxide

作　　者：李全福[1] 周朝雁[1] 

机构地区：[1]北京有色金属研究总院,北京100088

出　　处：《分析试验室》1991年第2期48-50,共3页Chinese Journal of Analysis Laboratory

摘　　要：在3.4米Ebert光栅摄谱仪上,以控制气氛直流电弧粉末法测定高纯氧化镝中14个稀土杂质。采用正交设计试验对测定条件进行了优化,一次摄谱完成了高纯氧化镝中14个稀土杂质的测定,其测定下限在0.01～0.0005%,相对标准偏差为7～19%。Microamounts of fourteen rare earth elements in highly pure dysprosium oxide have been determined by At-O_2 atmosphere DC arc excitation on a 3.4m Ebert spectrograph。The orthogonal design was used to optimize the excitation and instrumental parameters。All the rare earth elements can be determined in a single exposure。The detection limits of these elements are in the range of 0.01～0.0005%。The relative standard deviations are from 7% to 19%。

关 键 词：氧化镝 稀土元素 光谱 

分 类 号：TQ133.3[化学工程—无机化工]