CAS number : 7803-55-6
Molecular weight :116.98
Molecular formula/chemical symbol :NH4VO3
Description :
White or with pale yellow crystalline powder, physical properties: relatively tight 2.326; Melting point 200 ℃, slightly soluble in cold water, hot ethanol and ether, soluble in hot water and dilute aqueous ammonia; The air when burning into vanadium pentoxide, poisonous. Chemical properties: in vacuum heated to 135 ℃ began to decompose, more than 210 ℃ when the formation of vanadium oxide at a low price. When in the air when burning into vanadium pentoxide.
USES :
Mainly used for chemical reagent, catalyst, drier, mordant, etc. Ceramic industry is widely used as a glaze. Can also be used in producing vanadium pentoxide
Report :
test item |
test result |
||
content(%) |
Electronic special |
chemically pure |
analytically pure |
NH4VO3 |
≥99.5 |
≥98.0 |
≥99.0 |
chloride(Cl) |
≤0.001% |
≤0.05% |
≤0.005% |
sulfate(SO4) |
≤0.005% |
≤0.02% |
≤0.01% |
arbonate(CO3) |
qualified |
qualified |
qualified |
Ferrum(Fe) |
≤0.001% |
≤0.01% |
≤0.005% |
heavy metal(Pb) |
≤0.001% |
|
|
Ammonia water dissolved in test |
qualified |
qualified |
qualified |