Ammonium metavanadate

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Other name: 
Ammoniun metavanabate

azanium,oxido(dioxo)vanadium
 

CAS No.: 7803-55-6

Molecular Formula: 

NH4VO3

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.


Ammonium metavanadate


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