H3PO4 + 12(NH4)2MoO4 + 21HNO3
(NH4)3PMo12O40•6H2O + 21NH4NO3 + 6H2O
Phosphoric acid react with ammonium molybdate and nitric acid to produce ammonium molybdenumphosphate hexahydrate, ammonium nitrate and water.
Qualitative reaction on ions PO43-.