TREO%

≥99.9%

≥99.95%

≥99.99%

CeO₂/TREO %

99.9

99.95

99.995

La₂O₃/TREO %

≤0.08

≤0.04

≤0.004

Pr₆O₁₁/TREO %

≤0.01

≤0.01

≤0.003

Nd₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Sm₂O₃/TREO %

≤0.004

≤0.005

≤0.002

Y₂O₃/TREO %

≤0.0001

≤0.001

≤0.001

Fe₂O₃ %

≤0.005

≤0.005

≤0.002

SiO₂ %

≤0.02

≤0.015

≤0.01

CaO %

≤0.01

≤0.005

≤0.005

Cl^- %

≤0.06

≤0.06

≤0.05

SO 2 4^- %

≤0.06

≤0.06

≤0.05

Radioactive

  Note

Description: light yellow powder, insoluble in water and in acids

Uses: Mainly used as the glass decolorizing agent and the glass polishing powder. Also used as the raw material in making metal cerium. High purity Cerium dioxide is very important in the applications of rare earth fluorescent materials.