China Manufacturer Supply Electronic Grade Ammonium Ceric Sulfate rare earth sulfate

Code

S-2.5N

S-3.5N

S-4N

TREO %

≥32

≥35

≥35

Cerium purity and relative rare earth impurities

CeO₂/TREO %

≥99.9

≥99.95

 ≥99.99

La₂O₃/TREO %

≤0.05

≤0.030

≤0.004

Pr₆O₁₁/TREO %

 ≤0.02

 ≤0.005

≤0.002

Nd₂O₃/TREO %

≤0.02

≤0.005

≤0.002

Sm₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Y₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Non rare earth impurity

Fe %

≤0.005

≤0.002

≤0.001

Ca %

≤0.02

       ≤0.005

≤0.001

Cd %

≤0.0005

≤0.0005

≤0.0003

K %

≤0.0005

≤0.0005

≤0.0003

Na %

≤0.0005

≤0.0005

≤0.0003

Ni %

≤0.0005

≤0.0005

≤0.0003

Pb %

≤0.005

≤0.002

≤0.0003

Cl^-

≤0.005

≤0.002

≤0.001

Description:Cerium ammonium nitrate is the orange color.

Uses:Mainly used for redox titration reagents