氧化物总量(TREO):≥50.00%

Sm₂O₃/TREO:≥99.95%

稀土杂质含量
RE  Impurities  Content(%)

非稀土杂质含量
Non-RE  Impurities  Content(Max %)

CeO₂ :          0.003
La₂O₃:          0.005
Nd₂O₃:           0.002
Pr₆O₁₁:          0.005
Gd₂O₃:          0.025
Y₂O₃:           0.002
 

Fe₂O₃:      0.010
SO₄^2-:       0.045
CL^-:        0.050
SiO₂:       0.007
CaO:        0.015