Best price rare earth 3N 4N White power Cerium Carbonate

Code

CC-3N

CC-3.5N

CC-4N

TREO %

≥50

≥50

≥50

Cerium purity and relative rare earth impurities

CeO₂/TREO%

≥99.9

≥99.95

≥99.99

La₂O₃/TREO%

≤0.05

≤0.02

≤0.004

Pr₆O₁₁/TREO%

≤0.01

≤0.01

≤0.002

Nd₂O₃/TREO%

≤0.01

≤0.01

≤0.001

Sm₂O₃/TREO%

≤0.01

≤0.005

≤0.001

Y₂O₃/TREO%

≤0.01

≤0.005

≤0.001

Non rare earth impurity

Fe₂O₃ %

≤0.0050

≤0.0020

≤0.0015

SiO₂ %

≤0.0200

≤0.0100

≤0.0050

CaO %

≤0.0200

≤0.0100

≤0.0100

MnO₂ %

≤0.0010

≤0.0010

≤0.0010

Na₂O %

≤0.0050

≤0.0050

≤0.0010

PbO %

≤0.0010

≤0.0010

≤0.0010

Cl^- %

≤0.0500

≤0.0500

≤0.0300

SO _{2 4}^- %

≤0.0100

≤0.0100

≤0.0020

Description:White powder,insoluble in water, soluble in acids.

Uses:Used in making Catalyst for cleaning automotive exhaust gas and also can be made into cerium metal,cerium oxide and other compounds of cerium.