Lanthanum Oxide La2O3 99.999% CAS 1312 81 8

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Характеристики

Lanthanum Oxide La2O3,
Properties
Molecular formula La2O3
Molar mass 325.81 g/mol
Appearance White powder, hygroscopic
Density 6.51 g/cm3, solid
Melting point 2315 'C (2588 K)
Boiling point 4200 'C (4500 K)
Solubility in water Insoluble
CAS No.: 1312-81-8

 

spec typical
TREO: 97% min. 98.5%
La2O3/TREO: 99.9% min. 99.95%
CeO2/ TREO: 0.025% max. 0.01%
Pr6O11/TREO: 0.025% max. 0.01%
Nd2O3/TREO: 0.015% max. 0.01%
Sm2O3/TREO: 0.02% max. 0.003%
Y2O3/TREO: 0.01% max. 0.001%
Fe2O3: 0.02% max. 0.008%
CaO: 0.20% max. 0.07%
Cl: 0.10% max. 0.06%
SiO2: 0.03% max. 0.03%
L.O.I.: 3% max. 1.2%

 

ITEM

SPEC

RESULT

ITEM

SPEC

RESULT

TREO

98% min.

99.33%

Indium

25ppm max.

10 ppm

La2O3/TREO

99.99%min

99.999%

Cobalt

25ppm max.

10 ppm

CeO2 /TREO

25ppm max.

3 ppm

Nickel

25ppm max.

5 ppm

Pr6O11/TREO

10ppm max.

3 ppm

Manganese

25ppm max.

10 ppm

Nd2O3/TREO

10ppm max.

2 ppm

Scandium

25ppm max.

5 ppm

Sm2O3/TREO

10ppm max.

2 ppm

Barium

12.5ppm max.

10 ppm

Y2O3/TREO

10ppm max.

2 ppm

Chrome

12.5ppm max.

5 ppm

Eu2O3/TREO

10ppm max.

1 ppm

Strontium

12.5ppm max.

5 ppm

Ga2O3/TREO

10ppm max.

1 ppm

Vanadium

10ppm max.

5 ppm

 

Description

 

White powder

 

White powder

Beryllium

10ppm max.

5 ppm

Tellurium

10ppm max.

5 ppm

Insoluble substances

0.1% max.

0.05%

Aluminium

  100ppm max.

56 ppm

Identification test

For Lanthanum(by chemical)

Should be positive

positive

Calcium

500ppm max.

35 ppm

Chloride:

0.07% max.

0.016%

Silicon

100ppm max.

42 ppm

L.O.I.:

1.0% max.

0.49%

Iron

5ppm max.

1.5 ppm

 

 

 

Heavy metals

20ppm max.

2.0 ppm

 

 

 

 

 

 

 

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