Niobium Oxide, sometimes called columbium oxide, at UrbanMines refer to Niobium Pentoxide (niobium(V) oxide), Nb2O5. Natural niobium oxide is sometimes known as niobia.

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Niobium Oxide
Molecular Formula: Nb2O5
Synonyms: Niobium(V) oxide, Niobium pentoxide,Diniobium pentaoxide,Niobia,Niobium pentaoxide
Appearance: White power
Molecular Weight: 265.81 g/mol
Exact Mass 265.78732 g/mol
Monoisotopic Mass 265.78732 g/mol
Topological Polar Surface Area 77.5 Ų
Density   4.47 g/mL at 25 °C (lit.)
SMILES string   O=[Nb](=O)O[Nb](=O)=O
InChI   1S/2Nb.5O

High Grade Niobium Oxide Specification

Nb2O5(%min) Foreign Mat.≤ppm
L.O.I Size  Use
Ta Fe Si Ti Ni Cr Al Mn Cu W Mo Pb Sn P K Na S F
UMNO3N 99.9 100 5 5 1 5 3 1 1 1 3 3 2 2 10 10 100 0.30% 0.5-2µ can be used as raw materials to produce Niobium metal and Niobium carbide
UMNO4N 99.99 20 5 13 3 3 3 5 3 3 5 5 3 3 2 2 0.20% -60 Raw materials for lithium Niobate crystal and additive for special optical glass

Packing :In iron drums with inner sealed double plastic 

What is Niobium Oxide used for?

Niobium Oxide is used for Intermediates,Pigments, or as a catalyst and an additive in industry, and is also widely comsumed at  Electrical and electronic products,Glass,Paints and coatings. Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.

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