Niobium Oxide

Category

Main uses: used as raw materials for metal niobium, niobium bars, niobium alloys, niobium carbides, tantalum-niobium composites, electronic ceramics, optical glass and lithium niobate crystals.

Description

Physical properties:

white powdery crystals, the color becomes light yellow when oxygen defects appear in the crystal lattice, it is an amphoteric oxide, hardly soluble in water, slightly soluble in hydrofluoric acid, hardly soluble in inorganic acids other than hydrofluoric acid, Soluble in molten NaOH, KOH, K2S2O7, KHSO4.

Packing:

double-layer plastic packaging in outer iron drum, or inner aluminum foil bag and outer carton packaging.

Chemical composition: Industrial grade niobium pentoxide implements industry standard YS/T428-2000.

Impurities
element
Impurity content (%, ≤)
FNb2O5 -1
FNb2O5 -2
FNb2O5 -3
Ta
0.03
0.08
0.3
Ti
0.001
0.002
0.005
W
0.003
0.005
0.01
Mo
0.002
0.003
Cr
0.002
0.003
Mn
0.002
0.005
Fe
0.005
0.02
0.03
Ni
0.002
0.01
0.02
Cu
0.002
0.005
0.005
Al
0.002
0.002
0.01
Si
0.005
0.01
0.02
As
0.005
Sb
0.005
Pb
0.005
S
0.01
P
0.01
0.08
0.1
0.15
Ignition reduction (%)
0.2
0.3
0.4
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