Ammonium metatungstate is an inorganic compound with well-defined chemical properties and a wide range of applications. The following is a detailed explanation of ammonium metatungstate:
- What is the basic information about ammonium metatungstate?
Chemical formula: usually expressed as (NH₄)₆H₂W₁₂O₄₀·xH₂O, where x represents the number of water molecules, which may vary depending on the preparation conditions and purity.
CAS number: 12333-11-8
Molecular weight: 2974.32000 (exact mass: 2975.44000)
Physical properties: Ammonium metatungstate is usually a white crystalline powder or slightly yellow, with good water solubility, but insoluble in ethanol.
- What are the main uses of ammonium metatungstate?
Ammonium metatungstate is an important precursor for the production of metallic tungsten, tungsten alloys and a variety of tungsten compounds.
In the ceramic industry, ammonium metatungstate is used as an additive or raw material.
Ammonium metatungstate is also widely used in the petrochemical industry as one of the main components of catalysts.
Due to its high atomic number and high density, ammonium metatungstate is also used as a radiation shielding material for nuclear reactors.
- What is the production process of ammonium metatungstate?
The production process of ammonium metatungstate involves multiple steps, including tungsten ore extraction, tungsten nitrate precipitation, and ammonia addition. The main raw material is tungsten ore, and the tungsten element is extracted by chemical methods. After a series of reactions and purification steps, the ammonium metatungstate product is finally obtained.
- What is the safety and toxicity of ammonium metatungstate?
Ammonium metatungstate itself is considered non-toxic, but proper safety measures need to be followed during use and handling.
If ingested or in contact with the skin, ammonium metatungstate may cause irritation.
Ammonium metatungstate is also flammable and should be stored away from fire sources.
- What is the industry status and development trend of ammonium metatungstate?
With the development of the global economy and the acceleration of industrialization, the market demand for ammonium metatungstate continues to grow.
Technological progress and industrial upgrading have promoted the development of the ammonium metatungstate industry, and new production processes and environmental protection technology applications continue to emerge. Ammonium metatungstate has shown new application potential in the fields of new energy, environmental protection and sustainable development.
In summary, ammonium metatungstate is an important inorganic compound with a wide range of applications and clear chemical properties. With the continuous development of technology and the growth of market demand, the production and application of ammonium metatungstate will continue to receive attention and development.
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