氧化物总量(TREO):≥85.15%

Dy₂O₃/TREO:≥99.50%

稀土杂质含量
RE  Impurities  Content( Max%)

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

CeO₂:              ＜0.035
La₂O₃:             ＜0.030
Pr₆O₁₁:             ＜0.050
Sm₂O₃:             ＜0.007
Y₂O₃:              ＜0.005

Fe₂O₃:      0.005
SO₄^2-:       0.035
CaO:        0.025
Al₂O₃：     0.015
F ：        26.00