Ammonium metatungstate (AMT) has wide application fields and a large number of production companies in my country.

ammonium metatungstate, referred to as amt, is an inorganic compound with the molecular formula h28n6o41w12. it refers to a tungsten compound composed of four chemical elements: tungsten, nitrogen, hydrogen, and oxygen. it appears as a white or slightly yellow powder and is soluble in water, insoluble in ethanol. ammonium metatungstate has good water solubility, thermal stability, high temperature oxidation resistance, machinability, wear resistance and other characteristics.…