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How to Oxidize Copper: 9 Steps - wikiHow

How to Oxidize Copper. If you want to add a rustic or antique look to copper jewelry or household items, add a patina to copper by oxidizing the copper yourself without buying an expensive kit from the crafts store.

How to Oxidize Copper: 9 Steps (with Pictures) - wikiHow

Prepare a solution consisting of 1 qt. liter) of water, 1 tbsp. g) of salt, 1 tbsp. g) of baking soda (sodium bicarbonate) and 1 .