The physical properties of ammonium metatungstate (AMT) are as follows:
Appearance: Ammonium metatungstate usually exists in the form of white crystalline powder or amorphous solid.
Solubility: Ammonium metatungstate has good solubility and can be dissolved in water to form a solution. Solubility increases with temperature.
Density: The density of ammonium metatungstate typically ranges from 2.4 to 3.0 g/cm3, depending on crystalline form and water content.
Melting point: The melting point of ammonium metatungstate is about 125 to 250 degrees Celsius, depending on the crystal form and water content.
Thermal stability: Ammonium metatungstate can exist stably at high temperature and is not easy to decompose. It can withstand certain heat treatment conditions.
Toxicity: Ammonium metatungstate has low toxicity, but still need to pay attention to safe operation and appropriate protective measures.
It should be noted that the physical properties of ammonium metatungstate may vary due to factors such as crystal form, water content and preparation method. Specific physical properties can be measured and determined according to experimental conditions and specific samples.
These are brief descriptions about the general physical properties of ammonium metatungstate. For more detailed or specific information on physical properties, please refer to relevant literature or perform experimental measurements.
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