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Direct determination of trace impurity elements in earth phosphor by alkali fusion - inductively coupled plasma mass spectrometry (ICP-MS) |
Received:November 28, 2013 Revised:November 28, 2013 |
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KeyWord:Rare;earth phosphor, Impurity;elements, ICP-MS |
Author | Institution |
luanrijian |
中国冶金地质总局山东局测试中心 |
liyanxiang |
中国冶金地质总局山东局测试中心 |
zhangjuan |
山东省产品质量检验研究院 |
zhangyuqiang |
中国冶金地质总局山东局测试中心 |
马明 |
中国冶金地质总局山东局测试中心 |
lizhaoyan |
中国冶金地质总局山东局测试中心 |
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Abstract: |
A new analytical method was proposed to directly determine trace impurity elements (non-rare-earth elements and rare-earth elements) in rare earth phosphors by alkali fusion - inductively coupled plasma mass spectrometry (ICP-MS). The detection limits for the methord were in the found in the range: non-rare-earth element 0.007-1.036μg/g, rare-earth element 0.001-0.057μg/g, RSD<10%. The method has a simple sample pretreatment, low detection limit, good reproducibility, providing reliable analytical methods for the quality control of the high purity rare earth phosphor products. |
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