Precipitation by oxalate is the primary method to produce rare earth oxides. 稀土草酸鹽沉淀法是制備稀土氧化物的主要方法。
This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method. 該方法能同時(shí)測定富銪混合稀土氧化物中多種非稀土元素的含量,提高了分析速度。