Abstract:
A silver plating solution is provided. The silver plating solution, including: a silver salt; a complexing agent, comprising ethylenediamine and potassium ferrocyanide; a surfactant, comprising peregal; and an addition agent, comprising benzotriazole; wherein the value of pH of the silver plating solution is 7.8 to 9.6. A method of silver plating by chemical replacement is provided, including: placing the workpiece to be plated into the silver plating solution, wherein the silver plating solution is the silver plating solution of the present disclosure.