The solubility of ammonium metatungstate (AMT) is affected by many factors, among which the type of solvent is an important factor. The following is a brief overview of the solubility of ammonium metatungstate in different solvents:
Water
Ammonium metatungstate has a high solubility in water.
At 20°C, the solubility of AMT in water is 303.9g/100g H₂O, indicating that it has a strong solubility in water. As the temperature increases, the solubility of AMT in water will further increase.
Ethanol
Compared with water, ammonium metatungstate has a low solubility in ethanol.
Ammonium metatungstate is a white or slightly yellow crystalline powder that is insoluble in ethanol.
Other organic solvents
The specific solubility of ammonium metatungstate in other organic solvents is not clearly mentioned in the article.
But in general, due to the slightly acidic nature of ammonium metatungstate, it may have a certain solubility in some polar organic solvents, but its solubility in non-polar solvents is likely to be low or almost insoluble.
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