The solubility of Ammonium Metatungstate is affected by a number of factors, including temperature, pH, solvent type and ionic strength. Therefore, its specific solubility value is not fixed, but will vary according to different conditions.
Influence of temperature
Temperature is one of the important factors affecting the solubility of ammonium metatungstate. Generally speaking, the solubility of ammonium metatungstate will increase with the increase of temperature. However, the specific solubility value needs to be determined according to the specific temperature and solvent conditions.
Influence of pH value
The pH value of the solution also affects the solubility of ammonium metatungstate. In a weakly acidic environment, the solubility of ammonium metatungstate is higher; while in a weakly alkaline environment, its solubility is lower.
For example, the solubility of ammonium metatungstate is highest at a pH value of about 7.0. And its solubility decreases sharply when the pH is greater than 9.0 or less than 5.0.
Influence of solvent
Ammonium metatungstate is usually more soluble in water than in ethanol.
Specific solubility values
Since the solubility of ammonium metatungstate is affected by many factors, there is no fixed, generalized solubility value. Its solubility may vary under different conditions.
Normally, the solubility of ammonium metatungstate in water is roughly between 0.2% and 0.4% at room temperature. However, please note that this value may vary depending on specific conditions.
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