氧化物总量/TREO %：≥42

CeO₂/TREO：≥99.9%

稀土杂质含量

RE Impurities Content(Max %)

非稀土杂质含量

Non-RE Impurities Content(Max %)

La₂O₃/TREO

<0.005

Fe₂O₃

<0.005

Pr₆O₁₁/TREO

<0.01

CaO

<0.005

Nd₂O₃/TREO

<0.01

SiO₂

<0.01

Sm₂O₃/TREO

<0.001

Cl-

<0.01

Y₂O₃/TREO

<0.001

SO42-

<0.01