用途：用作氧化铕的原料。
萃余液经萃取除杂后，获一定量的荧光级氧化铕产品。
After the impurities were extracted from raffinate, some products of fluorescent grade europia were produced.
本发明公开了一种氧化铕红光发光薄膜及其制备方法。
The invention discloses a europium oxide red light luminescent thin film and a preparation method thereof.
在单晶硅衬底的一个侧面沉积有一层氧化铕红光发光薄膜。
A layer of europium oxide red light luminescent thin film is deposited on one side surface of a single crystal silicon substrate.
用标准加入法测出氧化铕基准中的微量杂质元素，消除了由于忽略基准中的杂质元素的含量给分析测定带来的误差。
Determining trace impurity element of the standard europium oxide by the standard addition method. So the errors owing to neglecting the impurity in the standard are eliminated.
该方法能同时测定富铕混合稀土氧化物中多种非稀土元素的含量，提高了分析速度。
This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method.
方法灵敏、快速、简便，满足4～5N高纯金属铕及其氧化物产品分析的要求。
The method is sensitive, rapid and easy to operation, and meets the requirement for the product analysis of 4 -5N high purity europium metal and its oxide.
优选地，该多晶氧化镝掺杂有铕、铈和铽中的一种或多种，所掺杂的铕、铈和铽中的一种或多种的含量基于氧化物在重量百分比约0.1至约10的范围内。
Preferably, the polycrystalline dysprosium oxide has been doped with one or more of europium, cerium, or terbium in an amount from about 0.1 to about 10 percent by weight on an oxide basis.
优选地，该多晶氧化镝掺杂有铕、铈和铽中的一种或多种，所掺杂的铕、铈和铽中的一种或多种的含量基于氧化物在重量百分比约0.1至约10的范围内。
Preferably, the polycrystalline dysprosium oxide has been doped with one or more of europium, cerium, or terbium in an amount from about 0.1 to about 10 percent by weight on an oxide basis.
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