![]() ![]() Brass can sometimes be oxidized but results are highly unpredictable. Surface contaminants will cause the metal to resist oxidation and effect results. Be sure your metal is clean by using pickle or sandpaper and then rinse. It will not work if the silver has an e-coating, anti-tarnish treatment or a plating finish of fine silver, rhodium or gold. Liver of sulfur works best on silver and copper. If you choose to use the same tongs for your pickle, you will get large black flakes in the liquid but it will still work just fine. They will completely blacken in the liver of sulfur. Designate a pair of copper tongs for your patina and pickle station. Plugin the crock and heat enough water to cover your piece(s) then fully dissolve liquid or crystal liver of sulfur into the warm water and you are ready to add a jewelry patina. The chemical works best when it is warm or hot so most studios have a small crockpot designated for liver of sulfur. Most metalsmiths have their preferred approximate recipe but generally speaking a tablespoon or so of liquid liver of sulfur per small 8oz crock is plenty. There is not a precise recommended ratio of liver of sulfur per ounce of water, for example. ![]() Liver of sulfur is a chemical compound that oxidizes the surface of some jewelry metals to blacken or darken the metal. Experiment with liver of sulfur metal jewelry patinas and see how much fun you can have with surface finishing. It looks gross, it smells gross but it makes magic. ![]()
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