Ammonium metavanadate
- Số CAS
- 7803-55-6
- Khối lượng phân tử
- 116.98
- Công thức phân tử / ký hiệu hóa học
- NH4VO3
Mô tả
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.
ỨNG DỤNG
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.
Keywords: Electronic chemicals
Phiếu kiểm nghiệm
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Product name |
ammonium metavanadate |
CAS: 7803-55-6 |
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character |
White or with pale yellow crystalline powder |
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chemical formula |
NH4VO3 |
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test item |
test result |
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content（%） |
Electronic special |
chemically pure |
analytically pure |
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NH4VO3 |
≥99.5 |
≥98.0 |
≥99.0 |
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chloride（Cl） |
≤0.001% |
≤0.05% |
≤0.005% |
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sulfate（SO4） |
≤0.005% |
≤0.02% |
≤0.01% |
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arbonate（CO3） |
qualified |
qualified |
qualified |
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Ferrum（Fe） |
≤0.001% |
≤0.01% |
≤0.005% |
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heavy metal（Pb） |
≤0.001% |
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|
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Ammonia water dissolved in test |
qualified |
qualified |
qualified |
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