CLEANING AGENT FOR SILVER-CONTAINING COMPOSITION, METHOD FOR REMOVING SILVER-CONTAINING COMPOSITION, AND METHOD FOR RECOVERING SILVER

摘要

A cleaning agent for a silver-containing composition is provided which can readily remove silver adhered to an object to be cleaned with excellent operability and low environmental loads. This cleaning agent for the silver-containing composition includes an iron nitrate aqueous solution and used to remove silver derived from a composition containing silver nanoparticles having an average diameter of 1 nm to 100 nm adhered to the object to be cleaned.