Usage:

1) Used for producing alloy steel of ferric and vanadium, alloy of aluminium and vanadium and other alloy and removing carbon and removing sulfur and as catalyst in synthetizing ammonia.
2) Staining material in dye printing and ceramic and main material in producing catalyst for sulfuric acid.
3) Corrosion inhibitor for equipment antisepsising in petroleum and chemical device.
4) Material of producing vanadium.

Applications:

As catalyst in the oxidation of SO2 to SO3 alcohol to acetaldehyde, etc for the manufacturer of yellow glass inhibiting ultraviolet light transmission in glass depolarizer as developer in photography in form of amminium vanadate as mordant in dyeing and printing fabrics and in manufacturer of aniline black.