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介绍了离子色谱法对氧化钪中的Cu,Ni,Zn等元素的分离和测定.提出了将CL-P350草淋树脂用于Sc与杂质元素预分离的方法.分析柱为阳离子交换柱NucleosilSA,流动相为草酸-乙二胺体系,以PAR为柱后衍生显色剂.Cu,Ni,Zn的线性范围分别为0.1~5.0,0.1~5.0,0.05~5.0mp/L,检出限分别为0.25,0.025,0.010mg/L.本法已用于氧化钪样品分析和提纯工艺的监控中.
The separation and determination of Cu, Ni, Zn and other elements in scandium oxide by ion chromatography are introduced. A method of using CL-P350 grass-leaching resin for pre-separation of Sc and impurity elements was proposed. The analytical column was a cation exchange column NucleosilSA, the mobile phase was oxalic acid-ethylenediamine system, and the PAR was post column derivatization reagent. The linear ranges of Cu, Ni and Zn were 0.1-5.0,0.1-5.0,0.05-5.0mp / L, respectively. The detection limits were 0.25,0.025,0 .010mg / L. This method has been used for scandium oxide sample analysis and purification process monitoring.