Position:China Rare Earth Network>Rare Earth standards> Nitric acid cerium
Nitric acid cerium
From;  Author:Stand originally

Chemical type Formula:CE(NO3E(NO3·6H2O

The element measures Mol.wt.434.25

Norms Specification:

Brand

CH-4N

CN-3N5

CN-3N

TREO Min % of gross of rare earth oxide

39

39

39

CeO2/ TREO Min %

99.99

99.95

99.9

Relative RE-impurities Max% of rare earth impurity

La203 / TREO

0.005

0.01

0.05

Pr6O11/ TREO

0.002

0.01

0.02

Nd2O3/ TREO

0.001

0.01

0.01

Sm2O3/ TREO

0.001

0.01

0.01

Y2O3/ TREO

0.001

0.001

0.005

Be not Non-RE-impurities Max% of rare earth impurity

Fe2O3

0.0005

0.001

0.0015

SiO2

0.005

0.005

0.005

CaO

0.005

0.005

0.005


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