| Place of Origin |
China (Mainland) |
ItemsSpecificationsREO (% min.)999999Er2O3 / REO (% min.)99.9999.9599.9purity and relative RE impurities (% max.)Tb4O7 / REO0.00050.05In total0.1In totalDy2O3 / REO0.001Ho2O3 / REO0.002Tm2O3 / REO0.002Yb2O3 / REO0.001Y2O3 / REO0.001Non-RE impurities (% max.)Fe2O30.0010.0010.001SiO20.0030.0050.005CaO0.0010.010.02CuO0.0010.0020.01Loss on ignition(1000 degree Celsius 1 hour)1.01.01.0