Evening Republican, Volume 21, Number 200, Rensselaer, Jasper County, 8 September 1917 — Silvering Metals. [ARTICLE]

Silvering Metals.

A simple process of silvering for copper, brass and other alloys is by means of a solution of silver in cyanide of potassium. The difference from the usual method consists in the use of zinc fillings with which the object to be silvered is coated. When the silvering solution of much durable character takes place. Rinsing in water easily removes the fillings, and they may be used repeatedly for the same purpose. The silvering solution is composed of one part cyanide of potassium in six parts water. Add this to a concentrated aqueous solution of nitrate of silver free from acid until the precipitate is redissolved. Mix this solution with fine chalk and apply after the previous cleaning of the object