Rare Earth Product Information
& Standard Specifications
product details
Cerium Oxalate
Cerium Oxalate

Cerium Oxalate, in forms of crystalline aggregates, is the important material for catalyst, glass, phosphors and polishing powders.
Formula Ce2(C2O4)3.xH2O
CAS No. 15750-47-7
Molecular Weight 544.29
Appearance Yellow
Solubility Soluble in strong mineral acids
Stability Easily hygroscopic
GermanCerOxalatFrenchOxalate De Cerium SpanishOxalate Del Cerio
Standard Specifications
Product Code 5881 5883 5885 5887
Grade 99.999% 99.99%  99.9% 99%
CHEMICAL COMPOSITION     กก กก
CeO2/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 39 39 39 39
Rare Earth Impurities % max. % max. % max. % max.
La2O3/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Y2O3/TREO 		0.0005
0.0005
0.0001
0.0001
0.0001		 0.005
0.005
0.001
0.0005
0.0005		 0.05
0.05
0.01
0.01
0.01		 0.5
0.5
0.05
0.05
0.05
Non-Rare Earth Impurities % max. % max. % max. % max.
Fe2O3
SiO2
CaO
SO4-
SnO
PbO
NiO
CdO
CuO
CoO
SrO
K2O

 		0.0005
0.005
0.005
0.005
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
0.0003
 0.0005
0.01
0.005
0.005
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
0.0003
0.0003
 0.005
0.03
0.005
0.03
 0.01
0.03
0.01
0.05
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