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Cerium oxide

Brand : JST Chemical

Product origin : Zibo

Delivery time : Within 5-7 days after receive the advanced payment

Supply capacity : 5000kg per month

Product specification:
CAS No.: 1306-38-3
EINECS No.:215-150-4
Molecular Weight: 172.12
HS Code: 2846101000
Molecular Formula:: CeO2
Density: 7.22 g/cm3
Melting point: 2400° C
Appearance: Yellow to tan powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic

Properties:
Pale yellow or brown powder to help. Density 7.13g/cm3. Melting point 2397 C. Insoluble in water and alkali, slightly soluble in acid.


Cerium Oxide CeO2

Purity

5N5

5N

4N5

4N

3N

2N5

2N

REO % Min.

99

99

99

99

99

99

99

CeO2 /REO Min.

99.9995

99.999

99.995

99.99

99.9

99.5

99

Rare earth impurities

% Max.

CeO2

0.00005

0.0001

0.0005

0.0015

total

total

total

Pr6O11

0.00005

0.0001

0.0005

0.0015

0.1

0.5

1

Nd2O3

0.00005

0.0001

0.0005

0.001

 

 

 

Sm2O3

0.00005

0.0001

0.0005

0.001

 

 

 

Y2O3

0.00003

0.0001

0.001

0.001

 

 

 

Eu2O3

0.00003

0.00005

total

total

-

-

-

Gd2O3

0.00003

0.00005

0.002

0.004

Tb4O7

0.00003

0.00005

 

 

Dy2O3

0.00003

0.00005

 

 

Ho2O3

0.00003

0.00005

 

 

Er2O3

0.00003

0.0001

 

 

Tm2O3

0.00003

0.00005

 

 

Yb2O3

0.00003

0.00005

 

 

Lu2O3

0.00003

0.00005

 

 

Non rare earth impurities

% Max.

Fe2O3

0.0001

0.0002

0.0003

0.0005

0.001

0.005

0.01

SiO2

0.001

0.003

0.005

0.005

0.01

0.05

0.05

CaO

0.0005

0.001

0.005

0.005

0.01

0.05

0.2

CuO

0.0001

0.0002

0.0002

0.0005

-

-

-

NiO

0.0001

0.0002

0.0002

0.0005

-

-

-

PbO

0.0002

0.0005

0.0015

0.003

-

-

0.005

Cl-

0.005

0.01

0.02

0.03

0.03

0.05

0.2

Na2O

0.0005

0.0005

0.001

0.001

-

-

0.1

S

-

-

-

-

0.03

0.05

-

L.O.I % Max.

1

1

1

1

2

3

4



Application:
Cerium Oxide, also called Ceria, is widely applied in glass, ceramics and catalyst manufacturing. In glass industry, it is considered to be the most efficient glass polishing agent for precision optical polishing. It is also used to decolorize glass by keeping iron in its ferrous state. The ability of Cerium-doped glass to block out ultra violet light is utilized in the manufacturing of medical glassware and aerospace windows. It is also used to prevent polymers from darkening in sunlight and to suppress discoloration of television glass. It is applied to optical components to improve performance. High purity Ceria are also used in phosphors and dopant to crystal.

Package:
1) 25kg net weight for each bag, inner lined with double layers plastic bags, outer with drum (plastic/cardboard/iron), woven bag or kraft bag;
2) 1000kg net weight on a plastic or wooden pallet.

Safety Protection:
Kept under dry and Cool place, Keep away from goods that can affect the quality of the goods, against damp. Careful load and unload, be care not pollute or torn the package, avoid rain and insolation during transportation.

Synonyms:
Ceria; ceric oxide,cerium oxide,Cerium Oxide (CeO2).






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