Alternatively, aqueous ammonia can be added directly to silver nitrate solution.[1] At first, ammonia will induce formation of solid silver oxide, but with additional ammonia, this solid precipitate dissolves to give a clear solution of diamminesilver(I) coordination complex, [ Ag ( NH 3 ) 2 ] + {\displaystyle {\ce {[Ag(NH3)2]+}}} . Filtering the reagent before use helps to prevent false-positive results.