The molecular formula of ammonium metatungstate varies depending on the crystallization conditions, and there are mainly the following forms:
(NH4)6H2W12O40·XH2O: This is a common molecular formula of ammonium metatungstate, where X represents the amount of crystal water, which may vary depending on the preparation conditions.
(NH4)6H2W12O40·nH2O: Here n also represents the amount of crystal water, similar to the above XH2O form, but different symbols are used to represent it.
(NH4)6(H2W12O40)•n H2O: This is another common representation, where “•” is used to connect the main part and the crystal water part, and n also represents the amount of crystal water.
In addition, O4W-2 is a simplified representation of ammonium metatungstate, but this is not the complete molecular formula.
Ammonium metatungstate is an inorganic compound, usually white or slightly yellow crystalline powder. Its large molecular weight and high water solubility make it widely used in chemical and industrial fields. The preparation process of ammonium metatungstate mainly includes neutralization method, tungstic acid method, thermal decomposition method, solvent extraction method and ion exchange method.
In practical applications, it is recommended to refer to specific product manuals or related literature. If necessary, please visit our website or directly contact our sales engineer of CTIA GROUP LTD.
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