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Rare Earth Oxides

Cerium Oxide

Formula:CeO₂ CAS:1306-38-3

Mol.wt.172.12 Cerium Oxide

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Product Details

Specification

Code	CO-3.5N	CO-4N
TREO%	≥99	≥99

Cerium purity and relative rare earth impurities

CeO₂/TREO %	≥99.95	≥99.99
La₂O₃/TREO %	<0.02	<0.004
Pr₆O/TREO %	<0.01	<0.002
Nd₂O₃/TREO %	<0.01	<0.002
Sm₂O₃/TREO %	<0.005	<0.001
Y₂O₃/TREO %	<0.005	<0.001

Non rare earth impurities

Ca %	<0.01	<0.005
Fe %	<0.003	<0.002
Na %	<0.005	<0.005
Pb %	<0.005	<0.003
AI %	<0.005	<0.003
SiO₂%	<0.02	<0.01
CI%	<0.08	<0.06
SO₄^2-%	<0.05	<0.03

Description

Light yellow powder,insoluble in water and slightly soluble in acid.

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.

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