Preparation method of high tap density monodisperse silver powder

The invention discloses a preparation method of high tap density monodisperse silver powder. The preparation method includes the following steps: adding base metal salt induced agents and the like into silver nitrate water solution to obtain a silver nitrate system, obtaining a redox system, taking the redox system as a parent, adding the silver nitrate system into the redox system to react through mixing, after reaction, cleaning sliver powder until the conductivity of the sliver powder to be smaller than or equal to 20 us/cm, filtering and drying the sliver powder. In the reaction process, traces of the base metal salt induced agents are added for using in a mixing mode, and the problem of mononuclear crystallization of the sliver powder is solved. The silver powder grows and forms rapidly, and crystallized silver powder is good in dispersity, and the silver powder with the single tap density being larger than 5.5 g/m1 can be prepared. The tap density of mixed silver powder in different specifications is la