Position:China Rare Earth Network>Rare Earth standards>Carbonic acid praseodymium
Carbonic acid praseodymium
From;  Author:Stand originally
Carbonic acid praseodymium

Chemical type Formula:PR2(CO3(CO3

The element measures Mol.wt.461.8

Norms Specification:

Brand

PC-2N5

PC-2N

TREO Min % of gross of rare earth oxide

45

45

Pr6O11/ TREO Min %

99.5

99

Relative RE-impurities Max% of rare earth impurity

La203 / TREO

0.05

Total

1.0

CeO2/ TREO

0.05

Nd2O3/ TREO

-

Sm2O3/ TREO

-

Y2O3/ TREO

-

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

Fe2O3

0.002

0.002

SiO2

0.004

0.004

CaO

0.01

0.01

Cl-

0.05

0.07

Explain: Reseda powder, not dissolve at water, dissolve at acid.

Utility: The important raw material of the other compound of production oxidation praseodymium and praseodymium.