氧化钆
化学式Gd2O3
性状外观：白色粉末
主要用途：用作钇铝和钇铁石榴石掺入剂、医疗器械中的增感荧光材料、核反应堆控制材料、金属钆的制取原料、制磁泡材料和光学棱镜添加剂等。
项目	规格			分析仪器
牌号	HL-Gd-A1	HL-Gd-B1	HL-Gd-C1
TREO(wt%)	≥99	≥99	≥99
稀土相对纯度RE(%)
La2O3/TREO	≤0.00005	≤0.001	≤0.005	ICP 光谱仪
CeO2/TREO	≤0.00005	≤0.001	≤0.005
Pr6O11/TREO	≤0.00005	≤0.001	≤0.005
Nd2O3/TREO	≤0.00005	≤0.001	≤0.005
Sm2O3/TREO	≤0.00005	≤0.05	≤0.02
Eu2O3/TREO	≤0.00005	≤0.05	≤0.01
Gd2O3/TREO	≥99.999%	≥99.99%	≥99.5%
Tb4O7/TREO	≤0.00005	≤0.001	≤0.005
Dy2O3/TREO	≤0.00005	≤0.001	≤0.005
Ho2O3/TREO	≤0.00005	≤0.001	≤0.005
Er2O3/TREO	≤0.00005	≤0.001	≤0.005
Tm2O3/TREO	≤0.00005	≤0.001	≤0.005
Tb2O3/TREO	≤0.00005	≤0.001	≤0.005
Lu2O3/TREO	≤0.00005	≤0.001	≤0.005
Y2O3/TREO	≤0.00005	≤0.001	≤0.005
非稀土杂质含量(wt%)
Fe	≤0.001	≤0.0003	≤0.005	原子吸收分光光度计
Ca	≤0.001	≤0.002	≤0.005
Si	≤0.001	≤0.002	≤0.01
Al	≤0.0005	≤0.005	≤0.005
Na	≤0.0005	≤0.005	≤0.005
Mg	≤0.0002	≤0.002	≤0.002
Cu	≤0.0002	≤0.002	≤0.002
Cl	≤0.01	≤0.03	≤0.1
灼减L.O.I.	≤1.0	≤1.0	≤1.0