Can Ammonium Metatungstate Be Used in The Production of Tungsten Carbide? 2023-02-28 Tungsten Oxide 138 Yes, ammonium metatungstate can be used as a precursor for the production of tungsten carbide. The synthesis involves the reduction of ammonium metatungstate with carbon in a high-temperature furnace. 0 0 ammonium metatungstateproductiontungsten carbide