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Niobium Oxide

Update: 2020/3/27      View:
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Introduction

Physical Properties

White powder crystal, when oxygen defects appear in the lattice, the color becomes primrose yellow, it is amphoteric oxide,  difficult to soluble in water, slightly soluble in hydrofluoric acid, insoluble in inorganic acid other than hydrofluoric acid, soluble in molten NaOH, Koh, K2S2O7, KHSO4.

 Main usage

Used as raw material of niobium, niobium bar, niobium alloy, niobium carbide, tantalum niobium complex, electronic ceramics, optical glass and lithium niobate crystal.

Packaging

Iron (paper) drum out, double plastic packaging inside.

●Chemical compositionIndustry standard of industrial niobium pentoxideYS/T428-2000

Impurity Impurity element(%,
 Element 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
F- 0.08 0.1 0.15
Igloss(% 0.2 0.3 0.4
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