| Place of Origin: | |
|---|---|
| Brand Name: | |
| Model Number: |
Quick Details
Specifications
Specifications
Our comnpany manufacture lanthanum oxide of high purity itself.
Chemical composition(mass fraction)/% | REO, not less than | 99.0 | 99.0 | 99.0 | 98.0 | 97.0 | 95.0 | ||
La2O3/REO,not less than | 99.999 | 99.995 | 99.99 | 99.9 | 99.5 | 99.0 | |||
Impurity content, not more than | Rare earth impurities REO | CeO2 | 0.0002 | 0.0005 | 0.0015 |
resultant 0.1 |
resultant 0.5 |
resultant 1.0 | |
Pr6O11 | 0.0002 | 0.0005 | 0.0015 | ||||||
Nd2O3 | 0.0002 | 0.0005 | 0.0010 | ||||||
Sm2O3 | 0.0002 | 0.0005 | 0.0010 | ||||||
Y2O3 | 0.0003 | 0.0010 | 0.0010 | ||||||
Non rare earth impurities | Fe2O3 | 0.0002 | 0.0003 | 0.0005 | 0.001 | 0.005 | 0.010 | ||
SiO2 | 0.0030 | 0.0050 | 0.0050 | 0.010 | 0.050 | 0.050 | |||
CaO | 0.0010 | 0.0050 | 0.0050 | 0.010 | 0.050 | 0.10 | |||
CuO | 0.0002 | 0.0002 | 0.0005 | — | — | — | |||
NiO | 0.0002 | 0.0002 | 0.0005 | — | — | — | |||
PbO | 0.0010 | 0.0020 | 0.0050 | — | — | — | |||
Cl— | 0.02 | 0.03 | 0.03 | 0.03 | 0.05 | 0.05 | |||
igloss(mass fraction)/%not more than | 1.0 | 1.0 | 1.0 | 2.0 | 3.0 | 5.0 | |||
CAS: 1312-81-8
EINECS: 215-200-5
Appearance: white powder
Properties: It has hygroscopicity , easily absorb moisture, can rapidly absorb moisture and carbon dioxide from the air, should be sealed in a container, soluble in mineral acids to form salts, insoluble in water, and have irritation.
Application: Mainly used in the manufacture of cameras, microscopes, electronic ceramics industry, as well as catalyst preparation.