CAS number : 54451-25-1
Molecular weight :
Molecular formula/chemical symbol :Ce2(CO3)3.xH2O
Description :
Melting point：848 ° C
Appearance:white or with pale yellow crystalline powder,color with purity change and a little change, belong to orthorhombic system.
Solubility：hardly soluble in water.
USES :
Mainly used for preparation of rare-earth luminescence materials, automobile tail gas purification catalysts, polishing material and color engineering plastics with color. It can also be used for chemical reagent. For making cerium chloride and incandescent lamp shade.
Keywords:Environmental protection paint;Catalyst
Report :
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Product name |
Cerium (III) carbonate hydrate |
CAS:54451-25-1 |
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Appearance |
White or with pale yellow crystalline powder |
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Chemical formula |
CH2CeO4 |
Purity: ≥98.0% |
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Testitems (%) |
Testresult |
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mark |
CC-2N |
CC-3N |
CC-3N5 |
CC-4N |
analytical method |
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The total amount of rare earth oxidesTREO％
|
50±2 |
50±2 |
50±2 |
50±2 |
- |
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Rare earth cerium purity and related impurities (%) |
CeO2/TREO
|
＞99
|
＞99.9
|
＞99.95
|
＞99.99
|
AES,ICP
|
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La2O3/TREO
|
＜0.5
|
＜0.05
|
＜0.02
|
＜0.005
|
AES,ICP
|
||
|
|
Pr6O11/TREO
|
＜0.1
|
＜0.01
|
＜0.005
|
＜0.002
|
AES,ICP
|
||
|
|
Nd2O3/TREO
|
＜0.1
|
＜0.01
|
＜0.005
|
＜0.002
|
AES,ICP
|
||
|
|
Sm2O3/TREO
|
＜0.1
|
＜0.01
|
＜0.001
|
＜0.0005
|
AES,ICP
|
||
|
|
Y2O3/TREO
|
＜0.01
|
＜0.01
|
＜0.001
|
＜0.0005
|
AES,ICP
|
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|
Non-RE（％）
|
Fe2O3
|
＜0.01
|
＜0.005
|
＜0.002
|
＜0.001
|
AES,ICP
|
||
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|
SiO2
|
＜0.03
|
＜0.02
|
＜0.01
|
＜0.005
|
AES,ICP
|
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|
CaO
|
＜0.03
|
＜0.02
|
＜0.01
|
＜0.005
|
AAS
|
||
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MnO2
|
＜0.005
|
＜0.001
|
＜0.001
|
＜0.001
|
AAS
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