
Niobium oxide nano and micron powder
Other name: diniobium pentaoxide, Niobium(V) oxide
CAS no. : 1313-96-8; 12627-00-8
EINECS no. : 215-213-6
Formula: Nb2O5
Molecular weight: 265.8098
Melting point: 1520 ℃
Solubility: insoluble
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Purity: 99.9%
Particle size: 500nm, 2um
Micron grade Test Results ( part of index ): ( ppm )
Ta   80
Fe   15
Sb  200
SÂ Â Â Â 30
As  20
PÂ Â Â Â 50
CÂ Â Â Â 50
Bi   20
FÂ Â Â Â 500
L.O.I Â 0.27%
Physical and chemical properties: white powder, yellow when heated, insoluble in water, co-soluble with potassium pyrosulfate, potassium hydroxide and potassium carbonate, soluble in carbonate and hydroxide of alkali metals, hydrofluoric acid and hot sulfuric acid.
USES: Niobium pentoxide is used as raw material for the production of metallic niobium, and is also used in optical glass and electronic industry. Niobium pentoxide is used as a single crystal of nickel niobate to make special optical glass, high-frequency and low-frequency capacitors and piezoelectric ceramic components. Also used for the production of metal niobium, ferroniobium, niobium, niobium carbide, tantalum niobium complex and special steel needs of a variety of niobium alloys.
Also used as catalyst, refractory, etc.
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