Ammonium metavanadate

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Other name: 
Ammoniun metavanabate

azanium,oxido(dioxo)vanadium
 

CAS No.: 7803-55-6

Molecular Weight: 116.98
 

Characters: White or yellowish crystalline powder, slightly soluble in cold water, hot ethanol and ether, soluble in hot water and ammonium hydroxide.
 

Specifications:

Ammonium metavanadate	A.R.	C.P.	Electro-plating grade	Catalyst grade
Assay %	≥99.0	≥98.0	≥99.5	≥99.0
Water solubility test	Pass	Pass	Pass	Pass
Chlorides(CL) %	≤0.005	≤0.02	≤0.001	≤0.02
Sulphates(SO4)%	≤0.01	≤0.02	≤0.005	≤0.02
Carbonate(CO3)%	—	—	Pass	Pass
Iron (Fe)%	≤0.005	≤0.01	≤0.001	≤0.005
Arsenic (As)%	—	—	≤0.0002	≤0.0002
Heavy metal(Pb)%	—	—	≤0.001	≤0.005
Appearance	similar to white powder

Product Usage: As catalyst, dyes, analytical reagent; also used in paints, printing ink etc.

Packaging: 25kg cardboard drum, lined with double-layer plastic bag

Storage Precautions: Stored in a cool, ventilated and dry place at room temperature.

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