Ammonium Paratungstate and Ammonium Metatungstate Difference 2023-02-24 Tungsten Oxide 207 The difference of ammonium paratungstate (APT) and ammonium metatungstate (AMT) firstly lays in their molecular structure, as the picture bellow: 0 0 ammonium metatungstateammonium paratungstatedifference