You can oxidize copper using a chemical process, such as by using liver of sulfur.
According to the provided YouTube video transcript, oxidizing copper jewelry can be done using the following method, utilizing liver of sulfur:
- Boil water: Boil about a cup of water in a microwave-safe container for a couple of minutes.
- Add liver of sulfur: Add liver of sulfur to the boiled water. The video suggests using one drop of liver of sulfur for each piece of jewelry.
- Liver of sulfur is a chemical compound (a mixture of potassium sulfides) used to create a patina or tarnish on copper, silver, and other metals. It accelerates the oxidation process.
