Lanthanum Oxide La2O3 CAS 1312-81-8

Category

Product Description

Formula: La2O3
CAS No.: 1312-81-8
Molecular Weight: 325.82
Density: 6.51 g/cm3
Melting point: 2315
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Strongly hygroscopic

roduct Code 5790 5791 5792 5793 5795 5797
Grade 99.9999% 99.999% 99.995% 99.99% 99.9% 99%
CHEMICAL COMPOSITION
La2O3/TREO (% min.) 99.9999 99.999 99.995 99.99 99.9 99
TREO (% min.) 99.5 99 99 98 98 98
Loss on ignition (% max.) 1 1 1 2 2 2
Rare Earth Impurities ppm max. ppm max. ppm max. ppm max. % max. % max.
CeO2
Pr6O11
Nd2O3
Sm2O3
Eu2O3
Gd2O3
Y2O3
0.5
0.5
0.5
0.2
0.2
0.2
0.5
3
3
2
2
2
2
5
5
5
5
5
5
5
5
50
50
50
10
10
10
10
0.05
0.02
0.02
0.01
0.001
0.001
0.01
0.5
0.1
0.1
0.1
0.1
0.1
0.1