Product Name: Niobium pentoxide
Molecular Formula: Nb2O5
Use: It is raw material for the preparation of niobium and its compound. It can also be used in catalyst and refractory materials.
Property: Molecular weight: 265.81. White powder. Relative density 4.47, melting point 1485℃±5℃, insoluble in water, poorly soluble in acid, soluble in melting potassium hydrogen sulfate or carbonate and hydroxide of alkali metal.
Specification: 'This data is only for reference'
Specification |
99.99 |
99.9 |
99.5 |
|
Impurities Content
≤ppm |
Cr |
2 |
- |
- |
Al |
3 |
50 |
10 |
|
As |
- |
50 |
50 |
|
Bi |
1 |
- |
30 |
|
Mn |
1 |
- |
12 |
|
Si |
3 |
50 |
90 |
|
Fe |
3 |
50 |
54 |
|
Cu |
3 |
50 |
21 |
|
Ni |
2 |
50 |
9 |
|
Pb |
3 |
50 |
10 |
|
Sn |
1 |
- |
10 |
|
Ti |
1 |
50 |
14 |
|
W |
3 |
50 |
50 |
|
Sb |
- |
50 |
30 |
|
Mo |
3 |
- |
13 |
|
N |
2 |
- |
100 |
|
Ta |
15 |
400 |
500 |
|
F |
50 |
500 |
1500 |
|
Sr |
- |
- |
1 |
|
Ba |
- |
- |
24 |
|
K |
- |
- |
73 |
|
C |
- |
- |
39 |
|
Ca |
- |
- |
4 |
|
Na |
- |
- |
1 |
|
S |
- |
- |
50 |
|
Mg |
- |
- |
1 |
|
Use |
Single crystal of lithium niobat, optical glass |
electronic ceramics, PTC, piezoelectric ceramics, magnetic material |
Hard alloy |
|
Loss on Ignition |
|
0.35% |
0.15% |
Packing: Packed by drum or according to customers' requirement.