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Making silver mirrors using chemistry

September 6, 2017

The silver that eventually coats the bottle originally comes from a solution of silver nitrate. In order to arrive at the perfect silver mirror, a few other reagents are necessary: ammonia and sodium hydroxide. The ammonia is necessary to react with the silver nitrate to produce something called ‘Tollens’ reagent’. Tollens’ reagent is a clear solution of a diamine silver (I) complex, often more simply referred to as ammoniacal silver nitrate. This reagent is commonly used in organic chemistry classes as a means to identify aldehyde compounds.

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Making silver mirrors using chemistry