| ICP-AES Determination of Germanium in GdSiGe Series Alloys as Magnetic Refrigeration Material |
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| 作者姓名： | 刘鹏宇 李娜 劭荣珍 刘冰 伍星 |
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| 作者单位： | National Center of Analysis and Testing for Nonferrous Metals and Electronic Materials, General Research Institute for Nonferrous Metals, Beijing 100088, China |
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| 基金项目： | Project supported by the New Technology and New Method Item of Ministry of Science and Technology of PRC （2005JG200030） |
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| 摘 要： | The ICP-AES method for the determination of Ge in GdSiGe series alloys was studied.As the three main elements in the alloys,Gd,Si,and Ge differ greatly from each other in chemical properties,it was difficult to pretreat the sample.Two decomposition methods were compared,and a mixture of HNO3＋HF was used to decompose the sample and the effect of the HF amount on the sample decomposition was examined.The adsorption effect of GdF3 on Ge was discussed.Three GdSiGe series alloy samples were analyzed,and the RSDs of this method were in the range of 0.85%～2.66%.
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| 关 键 词： | 锗元素 化学元素 磁铁材料 稀土 |
| 文章编号： | 1002-0721（2007）03-0377-04 |
| 收稿时间： | 26 September 2006 |
| 修稿时间： | 2006-09-262007-03-23 |
ICP-AES Determination of Germanium in GdSiGe Series Alloys as Magnetic Refrigeration Material |
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| Liu , Li Na, Shao Rongzhen, Liu Bing,Wu Xing.ICP-AES Determination of Germanium in GdSiGe Series Alloys as Magnetic Refrigeration Material[J].Journal of Rare Earths,2007,25(3):377-380. |
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| Authors: | Liu Li Na Shao Rongzhen Liu Bing Wu Xing |
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| Affiliation: | National Center of Analysis and Testing for Nonferrous Metals and Electronic Materials, General Research Institute for Nonferrous Metals, Beijing 100088, China |
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| Abstract: | The ICP-AES method for the determination of Ge in GdSiGe series alloys was studied. As the three main elements in the alloys, Gd, Si, and Ge differ greatly from each other in chemical properties, it was difficult to pretreat the sample. Two decomposition methods were compared, and a mixture of HNO3+HF was used to decompose the sample and the effect of the HF amount on the sample decomposition was examined. The adsorption effect of GdF3 on Ge was discussed. Three GdSiGe series alloy samples were analyzed, and the RSDs of this method were in the range of 0.85%～2.66%. |
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| Keywords: | GdSiGe series alloys Germanium analysis ICP-AES rare earths |
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