Tungsten Trioxide yellow powder. Tungsten trioxide, yellow powder, insoluble in water. Soluble in alkali. This is used for the manufacture of high melting points alloys and hard alloys, as well as tungsten wires and fireproof materials.
Color: yellow, purple, blue
Particle size 70nm
About Tungsten Oxide WO3 Powder:
Is an organic substance that has the chemical formula
It is a yellowish powder. This is achieved by adding acid to the soda ash after the fusion.
Tungsten trioxide is
It is a bright yellow orthorhombic crystal powder. As the powder is heated, it changes color from darker to more light. It has a specific gravity of 7.16 grams per cm3, a melting point of 1473degC and a boiling point of 1750degC. The temperature at which it melts is 850degC. It becomes subliminal and green. It is stable in air and insoluble with water and other inorganic acids, except hydrofluoric, and can slowly dissolve in ammonia solution and concentrated sodium hydroxide solution.
The chemical compound known as tungsten trioxide (or tungstic anhydride), WO3, contains both oxygen and the tungsten transition metal. It's used to recover tungsten from its mineral sources. Alkalis is used to make WO from tungsten ore. Further reactions with carbon and hydrogen gases reduce tungsten to pure metal.
Tungsten(VII) oxide can be found in nature as hydrates. This includes minerals such as tungstite WA3*2H2O or meymacite WA3*2H2O as well as hydrotungstite (of similar composition to meymacite but sometimes referred as H2WO4). These secondary tungsten mineral minerals can only be found as rare or very scarce.
The crystal structure of tungsten trioxide is temperature-dependent. The crystal structure of tungsten trioxide is temperature-dependent. At higher temperatures than 740°C, it becomes tetragonal. The most popular structure for WO3 with space group p21/n is monoclinic.
Tungsten trioxide is
A strong oxidizing agent. It reacts strongly with rare-earth metals, such as iron, copper, manganese and zinc. The reaction with gold or platinum makes it into dioxide.
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Tungsten Oxide Powder
Tungsten Oxide Powder WO3 Performance:
Tungsten Trioxide is an orthorhombic, light-yellow crystal powder. Its color can change to lighten or darken depending on how it is heated. Specific gravity is 7.16g/cubic cmimeter. It melts at 1473degC. It boils at 1750degC. However, it is remarkably stable at 850degC. Once melted, it becomes green. The ammonia solution and the concentrated sodium hydroxide solution are stable and insoluble in air.
Technical Parameters of Tungsten Oxide WO3 Pulp:
WO3 Certificate of Analysis ---ppm
How is Tungsten Oxide WO3 Powder produced?
Tungsten trioxide is prepared in many different ways. The CaWO4, also known as scheelite can react with HCl in order to make tungstic acid. At high temperatures, it decomposes to WO3 or water.
CaWO4 + CaCl2 + CaWO4
H2WO4 - H2O + WO3
An alternative method of synthesizing WO3 in common is to calcinate ammonium paratungstate under oxidizing conditions.
(NH4)10[H2W12O42] * 4H2O - 12 WO3 + 10 NH3 + 10 H2O
Applications Tungsten Oride WO3 Pulp:
Tungsten Trioxide can be used for many purposes in everyday life. This is what you use in your daily life to produce Xray phosphors and fireproof fabrics. Its rich yellow color makes it a great pigment to use in paints and ceramics.
1.Tungsten oxide is mostly used in calcining the reduction of tungsten to create tungsten flour and tungsten carbide powder. It then gets used for the fabrication of cemented carbonide products like the making of molds and tools.
2.Tungsten trioxide can also be used to manufacture pure tungsten products, tungsten bars, tungsten wires, tungsten electrodes;
3.A small amount of yellow ceramic colorant is used for industrial production.
4. In the shipbuilding sector, tungsten dioxide of tungsten can be used as an important coating or paint anticorrosive.
5. In recent years, tungsten Trioxide has been used in the production of electrochromic or smart windows. The light transmission properties of these windows can be altered by applying voltage. They are electrically-switchable. By doing this, users can tint their windows and change the light or heat passing through.
6.X-ray Screen and Fireproof Textile, and the Colorant and Analysis Reagent of Chinaware.
7.Tungsten dioxide can also be used to reduce radiation.
A lot of research has been done on 8.WO3, due to its potential for being electrooptical, ferroelectric, and catalytic.
9. Radioion shielding material, and the metal that produces tungsten.
Tungsten Oide WO3 Powder Storage:
Tungsten oxide WO3 powder should be stored dry, cool, and sealed of the environment. It cannot be exposed to the air.
Packing & Shipping of Tungsten Oride WO3 Powder
You can pack it in two plastic bags with the inside.
Tungsten Oxide powder packing: 100g, 500g and 1kg/bag. 25 kg/barrel. Or as you request.
Tungsten Oxide W3 Powder shipping . After payment has been received, shipping could be done by sea or air.
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