Jislizard

Cloudy ammonia + dirty coins @ 0 minutes , 5 minutes & 10 minutes soak

Colour changes to the cloudy ammonia when really dirty coins are put in it. After a few minutes you can see a brown tinge around the edges of the coins as the dirt flows off the coin. After a prolonged time the cloudy ammonia goes blue in colour as copper is dissolved off the surface of the coins.

Cloudy ammonia + dirty coins @ 0 minutes , 5 minutes & 10 minutes soak
Jislizard, Apr 24, 2017
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  • Album:
    Cleaning coins
    Uploaded By:
    Jislizard
    Date:
    Apr 24, 2017
    View Count:
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