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Rare Earth Oxides

Large Particle Size Cerium Oxide

Formula:CeO₂ CAS:1306-38-3

Mol.wt.172.12 Large Particle Size Cerium Oxide

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Product Details

Specification

Code	CO-3.5N(LP)	CO-4N(LP)
TREO%	≥99	≥99

Cerium purity and relative rare earth impurities

CeO₂/TREO %	≥99.95	≥99.99
La₂O₃/TREO %	<0.02	<0.004
Pr₆O₁₁/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 %	<0.005	<0.003
Fe %	<0.003	<0.002
Na %	<0.003	<0.002
K %	<0.002	<0.001
Pb %	<0.003	<0.002
Al %	<0.01	<0.01
SO₄^2-%	<0.01	<0.01
D50	25~50μm	25~50μm

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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