用途：用于制取金属镝的原料、玻璃、钕铁硼永磁体的添加剂，还用于金属卤素灯、磁光记忆材料、钇铁或钇铝石榴石、原子能工业中。性质：分子量：373.0。白色或淡***粉末。规格：“此数据仅供参考”分析结果氧化物总量/TREO%：≥99Dy2O3/TREO：≥99.5%稀土杂质含量REImpuritiesContent(Max%)非稀土杂质含量Non-REImpuritiesContent(Max%)Tb4O7/TREO<0.04Fe2O3<0.0015Ho2O3/TREO<0.03CaO<0.007Er2O3/TREO<0.01SiO2<0.006***2O3/TREO<0.01PbO<0.001Y2O3/TREO<0.01CuO<0.0005Yb2O3/TREO<0.01NiO<0.001Cl-<0.006灼减:L.O.I(1000℃2hr)%<1.0分析结果氧化物总量/TREO%：≥99.59Dy2O3/TREO：≥99.9%稀土杂质含量REImpuritiesContent(Max%)非稀土杂质含量Non-REImpuritiesContent(Max%)La2O3/TREO<0.01Ho2O3/TREO<0.03Fe2O30.0006Ce2O3/TREO<0.01Er2O3/TREO<0.01CaO0.0040Tm2O3/TRO<0.01Pr6O11/TREO<0.01SiO20.0035Yb2O3/TREO<0.01Nd2O3/TREO<0.01Cl-<0.006Y2O3/TREO<0.01***2O3/TREO<0.01Tb4O7/TREO<0.01Eu2O3/TREO<0.01Lu2O3/TREO<0.01Gd2O3/TREO<0.01L.O.I<1.0)