Formula: Ce2(CO3)3·
Mol.wt.460.27
CAS NO:54451-25-1
DESCRIPTION OF GOODS:White or with light yellow crystalline powder, color change and slight changes with the purity, is inclined FangJing department, soluble in water. Will the water boiling suspension, the hydrolysis of carbonate formation alkali. And most acid reacts to the corresponding salt. In 900 ℃ heat decomposition for CeO2.
Package:50 KG/PP DRUM., inside the packed in plastic bags
Standard: GB/T16661-2008
Function:Mainly used for production in the middle of the ce compounds, and can be used for chlorinated ce, cerium oxide and other ce compounds of raw material.
PRODUCT CODE
|
023240
|
023235
|
023230A
|
023230B
|
023220
|
023215
|
|||
Chemical composition (mass fraction) / %
|
REO≥
|
45
|
45
|
60
|
45
|
45
|
45
|
||
CeO2/REO ≥
|
99.99
|
99.95
|
99.9
|
99.9
|
99.0
|
95.0
|
|||
Impurity content ≤
|
Relative RE-impurities max%
|
La8O4
|
0.003
|
0.02
|
0.1
|
1.0
|
5.0
|
||
Pr6O11
|
0.003
|
0.01
|
|||||||
Nd2O3
|
0.001
|
0.01
|
|||||||
Sm2O3
|
0.001
|
0.001
|
|||||||
Y2O3
|
0.001
|
0.001
|
|||||||
OTHER
|
0.001
|
0.008
|
|||||||
Non-RE-impurities max%
|
Fe2O3
|
0.001
|
0.005
|
0.005
|
0.01
|
0.01
|
0.02
|
||
SiO2
|
0.002
|
0.005
|
0.005
|
0.01
|
0.01
|
0.03
|
|||
CaO
|
0.005
|
0.01
|
0.01
|
0.01
|
0.02
|
0.03
|
|||
Al2O3
|
0.01
|
0.02
|
0.02
|
0.02
|
---
|
---
|
|||
MgO
|
0.002
|
0.003
|
0.003
|
0.003
|
---
|
---
|
|||
PbO
|
0.001
|
0.002
|
0.002
|
0.003
|
---
|
---
|
|||
Na2O
|
0.02
|
0.05
|
0.02
|
0.05
|
---
|
---
|
|||
ZnO
|
0.005
|
0.008
|
0.005
|
0.01
|
0.03
|
0.05
|
|||
Cl-
|
0.03
|
0.05
|
0.03
|
0.05
|
0.08
|
0.1
|
|||
SO2-4
|
0.01
|
0.01
|
0.01
|
0.02
|
0.03
|
0.05
|