vanadium dioxide
- Số CAS
- 12036-21-4
- Khối lượng phân tử
- Công thức phân tử / ký hiệu hóa học
- VO2
Mô tả
Keywords:OxideDark blue crystal powder, monoclinic system structure. Density 4.260 g/cm3. Melting point 1545 ℃. Insoluble in water, soluble in acid and alkali in. Soluble in acid cannot generate four valence ion, and generate positive bivalent vanadium oxygen ion. In the dry hydrogen flow heating to red heat was reduction into vanadium trioxide, also can be air or nitric acid generation vanadium pentoxide, soluble in base of the generation and vanadate. Can be made of carbon, carbon monoxide or oxalic acid reduction vanadium pentoxide system. Used for glass, ceramic stain. With phase change properties of the metal oxide, the phase transition temperature of 68 ℃, phase change before and after the change of the structure of the d to produce to infrared light by the transmission to the reflection of the reversible change, people according to this characteristic is applied to the preparation of intelligent temperature control film field
ỨNG DỤNG
Used for glass, ceramic colorants; Vanadium dioxide in material world with its rapid and sudden transformation and appear different, the phase transition temperature of 68 degrees Celsius. Vanadium dioxide is the conductive characteristic to the optical device, the electronic device and photoelectric device has wide application potential.
Phiếu kiểm nghiệm
inspection report
|
the name or description of a commodity |
vanadium dioxide |
CAS: 12036-21-4 |
|
character |
Dark blue crystal powder |
|
|
chemical formula |
VO2 |
Purity: 99% |