性狀：玫瑰紅色粉末，相對密度7.814熔點1350℃沸點：2200℃溶于硫酸不溶于水和酸用途：磁性材料及熒光粉的激活劑和玻璃陶瓷材料氧化物總量（TREO）： 99.00%Er2O3/TREO：≥99.90%稀土雜質含量RE Impurities Content(max%)非稀土雜質含量Non-RE Impurities Content(max%)Dy2O3/TREO≤0.01%Ho2O3/TREO≤0.05%Er2O3/TREO/Tm2O3/TREO≤0.01%Yb2O3/TREO≤0.01%Lu2O3/TREO≤0.01%Y2O3/TREO≤0.01%Fe203≤0.01%CaO≤0.01%SiO2 ≤0.01%L.O.I ≤1%Cl~≤0.05%