What Are Physical and Chemical Properties of Ammonium Metatungstate?

The physical and chemical properties of ammonium metatungstate (AMT) mainly include the following aspects:

What are the physical properties of ammonium metatungstate?

Appearance of ammonium metatungstate

It is usually a white crystalline powder or slightly yellow.

Solubility of ammonium metatungstate

It is easily soluble in water, but insoluble in ethanol. At 20°C, its solubility in water is high, and the solubility increases with increasing temperature.

Crystal structure of ammonium metatungstate

It has a complex crystal structure consisting of metatungstate anions and ammonium cations.

Melting point of ammonium metatungstate

There is no fixed melting point because ammonium metatungstate undergoes multiple phase changes and decomposition processes when heated.

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