Rare Earth Product Information
& Standard Specifications
product details
Cerium Ammonium Sulfate
Cerium Ammonium Sulfate

Cerium Ammonium Sulfate is applied as industrial antioxidant and etching agent for the integrated circuit, is also raw material for polishing powder, special glass and ceramics.
Formula (NH4)4Ce(SO4)4
CAS No. 10378-47-9
Molecular Weight 596.52
Appearance Yellow
Solubility Soluble in water & strong mineral acids
Stability Hygroscopic
GermanCerAmmoniumSulfatFrenchSulfate d'Ammonium De Cerium SpanishSulfato Del Amonio Del Cerio
Standard Specifications
Product Code 58543 58545 58547
Grade 99.99%  99.9% 99%
CHEMICAL COMPOSITION   กก กก
CeO2/TREO (% min.) 99.99 99.9 99
TREO (% min.) 25 25 25
Ce4+/Total Ce (% min.) 97 96 96
Rare Earth Impurities % max. % max. % max.
La2O3/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Y2O3/TREO 		0.005
0.005
0.001
0.001
0.001		 0.03
0.01
0.05
0.01
0.01		 0.5
0.5
0.5
0.05
0.03
Non-Rare Earth Impurities % max. % max. % max.
Fe2O3
SiO2
CaO
PbO
Al2O3
NiO
CuO
Cl-

 		0.0005
0.01
0.005
0.001
0.01
0.0005
0.0005
0.01
 0.005
0.03
0.03
0.002
 0.005
0.05
0.05
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The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at the product's grade, or Send An Enquiry, you will receive our prompt reply within 24 hours.

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