Ammonium metatungstate ceramic colorant is a coloring material used in the ceramic industry, mainly composed of ammonium metatungstate (HN₆OW, also known as AMT). The following is a detailed explanation about ammonium metatungstate ceramic colorant:
Composition and properties
Ammonium metatungstate is an inorganic compound that appears as a white crystalline powder or slightly yellow. It is soluble in water, which is a clear difference from ammonium paratungstate (APT), because ammonium paratungstate is slightly soluble in water. The molecular formula of ammonium metatungstate is HN₆OW, and the molecular weight is 2974.32000 (exact mass: 2975.44000).
Uses
In the ceramic industry, ammonium metatungstate is used as a ceramic colorant, which can provide ceramic products with specific colors or color effects. In addition to the ceramic industry, ammonium metatungstate is also widely used in the manufacture of metal tungsten, alloy steel, fireproof fabrics, etc.
Characteristics as a colorant
Ammonium metatungstate ceramic colorant can be evenly dispersed in ceramic materials to ensure the consistency of the color of ceramic products.
It has good high temperature resistance, can remain stable during the ceramic firing process, and is not easy to fade.
Ammonium metatungstate ceramic colorant can also be used in combination with other colorants to produce richer color effects.
Production and Application
The production of ammonium metatungstate ceramic colorant usually adopts specific process methods, such as solvent extraction, ion exchange, etc.
In the ceramic production process, ammonium metatungstate ceramic colorant is added to the ceramic raw materials in a certain proportion, and after mixing, molding, drying, firing and other process steps, a ceramic product with a specific color is finally obtained.
In short, ammonium metatungstate ceramic colorant is an important ceramic industrial raw material that can provide stable and rich color effects for ceramic products. At the same time, it also has excellent properties such as high temperature resistance and easy dispersion, and has been widely used in ceramic production.
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