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Tungsten oxide (WO₃) is a high-purity inorganic compound known for its excellent electrochromic, catalytic, and optical properties. It is widely used in smart windows, gas sensors, catalysts, and advanced electronic applications. Due to its unique structural characteristics and thermal stability, tungsten oxide plays a crucial role in precision engineering, energy-efficient technologies, and specialized coatings.
Product Overview
Tungsten oxide (WO3), also known as tungsten trioxide, is an oxide of the transition metal tungsten. In recent years, scientists have used hydrothermal synthesis to obtain shape-controlled tungsten trioxide semiconductors. It plays a significant role in various industrial applications, particularly in electronics, ceramics, and optics.
Key Features
- Appearance: Light yellow powder.
- Density: 7.16 g/cm³.
- Melting Point: 1,473°C.
- Boiling Point: 1,700°C (approx.).
- Solubility: Slightly soluble in HF, almost insoluble in water.
- Magnetic Susceptibility: -15.8·10⁻⁶ cm³/mol.
Applications
- X-ray Fluorescent Powder: Used in industrial production for X-ray fluorescence.
- Fireproof Fabrics: A key material in the production of fireproof fabrics.
- Gas Sensors: As a tungsten salt in gas sensors.
- Ceramics and Pigments: Used as a pigment material for ceramics and paints.
- Surface Enhanced Raman Spectroscopy: A potential candidate substrate for surface-enhanced Raman spectroscopy.
| Test Item | Test Result % |
| WO3 | 99.96 |
| Pb | 0.0001 |
| Bi | 0.0001 |
| Sb | 0.0005 |
| As | 0.005 |
| Fe | 0.004 |
| Al | 0.0005 |
| Si | 0.0008 |
| Ni | 0.0005 |
| Ca | 0.001 |
| Mg | 0.0005 |
| Mo | 0.018 |
| K | 0.005 |
| Na | 0.005 |
| Cu | 0.0003 |
| Mn | 0.0005 |
| P | 0.0005 |
| S | 0.0005 |
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