thulium oxide

Determination of Rare-Earth Impurities in Ultra-pure Thulium Oxide, Ytterbium Oxide, Lutetium Oxide by Extraction Chromatography-Atomic Emission Spectrometry

萃取色谱分离-原子发射光谱测定超高纯氧化铥、氧化镱和氧化镥中痕量稀土杂质

Determination of major ( thulium) and neighbouring Rare Earth Element Impurities in pure thulium oxide by XRF-FLIM paper method

X射线荧光滤纸片法测定纯氧化铥中主量氧化铥及相邻稀土氧化物杂质

The sample preparation by the filter paper method and the direct determination of major ( thulium) and five neighbouring micro-rare earth element impurities in pure thulium oxide by XRF are described.

本文拟定了一种采用滤纸片法制样，X射线荧光直接测定纯氧化铥中氧化铥主量以及氧化钬、氧化铒、氧化镱、氧化镥和氧化钇等稀土杂质含量的分析方法。

14 rare earth impurities in 99.99% thulium oxide were determined. The rate of recovery is 82.5 110% RSO is 1.9 9.3%.

本方法可以测定99.99%高纯氧化铥中十四种稀土杂质，回收率为82.5-110%相对标准偏差为1.9-9.3%。