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Cerium oxide

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Product

Molecular Formula:CeO2

Molecular Weight:172,12

CAS No:1306-38-3

Property:Pale yellow, pinkish or white refractory powder. Soluble in water, sparingly soluble in strong mineral acids. Easily hygroscopic.

Specification:

Degree of cleanliness
99.999%-- 99.99%-- 99.9%-- 99%
CHEMICAL COMPOSITION
CeO2/TREO (% min.)
99.999-- 99.99-- 99.9-- 99
TREO (% min.)
99-- 99-- 99-- 99
Losses during combustion (% max.)
1.0-- 1.0-- 1.0-- 1.0
Rare Earth impurities
% max.-- % max.-- % max.-- % max.
La2O3/TREO
0.0002--0.005--0.1--0.5
Pr6O11/TREO
0.0002--0.005--0.1--0.5
Nd2O3/TREO
0.0002--0.001--0.01--0.05
Sm2O3/TREO
0.0002--0.001--0.01--0.05
Y2O3/TREO
0.0002--0.001--0.01--0.05
Non- Rare Earth impurities
% max.-- % max.-- % max.-- % max.
Fe2O3
0.0002--0.001--0.02--0.03
SiO2
0.005--0.01--0.03--0.05
CaO
0.003--0.01--0.05--0.05
PbO
0.0005--0.001
Al2O3
0.001
NiO
0.0005
CuO
0.0005

Usage:

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