氧化物总量(TREO):≥78.00%

CeO₂/TREO:≥99.95%

稀土杂质含量
RE  Impurities  Content( Max%)

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

La₂O₃:              ＜0.015
Pr₆O₁₁:             ＜0.005
Sm₂O₃:             ＜0.005
Y₂O₃:              ＜0.001

Fe₂O₃:       0.005
SO₄^2-:       0.020
CaO:        0.030
Al₂O₃：     0.005
F ：        26.00