TREO

La₂O₃ /TREO

CeO₂ /TREO

Pr₆O₁₁/TREO

Sm₂O₃/TREO

>95%

≥ 30%

≥ 60%

6-8%

<0.0010%

Nd₂O₃/TREO

Cl^-

SO₄^2-

CaO

Fe₂O₃

PbO

<0.1%

<0.30%

<0.30%

<0.4%

<0.01%

<0.0050%