How to Clean Coins With Cyanide?

Answer Cyanide is a poisonous chemical compound that is a combination of nitrogen and carbon. Cyanide was used back in the 1800s to clean coins because it left the coins shiny and new looking. This method... Read More »

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How to Clean Coins With Electrolysis?

This article would benefit from step-by-step photos. You can help wikiHow by adding photos to this article. Click here for instructions. Notice added on 2009-12-26.One of electrolysis uses is purif... Read More »

If you make a cyanide solution, and dilute it so there is no cyanide left, will taking it daily cure death?

How to Clean Coins and Plates With Silver?

Silver is a popular metal used in coins and expensive plates. Over time, silver tarnishes and begins to look darker and less shiny. This tarnishing happens when sulfur in the air combines with the ... Read More »

How to Clean Coins?

Want to bring out the shine in those old coins your parents or grandparents gave you? Think twice before cleaning them. If the coins are collectible or valuable, cleaning will almost always reduce ... Read More »