化学式 Formula:CeO₂

CAS :1036-38-3

分子量 Nol.wt.172.12

氧化铈  Cerium Oxide 

规  格 Specification

稀土氧化物总量 TREO%

≥99

≥99

≥99

铈纯度与相关稀土杂质（Cerium purity and relative rare earth impurities）

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

放射性（Radioactive）

说明：淡黄色粉末，不溶于水和酸。

用途：用于玻璃脱色剂，玻璃抛光剂，也是制备金属铈的原料。高纯度氧化铈在稀土发光材料中有重要应用。

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.