3 Ways To Remove Copper On The Surface Of Materials
You can add more hydrogen peroxide to keep the reaction going longer. This will be necessary if you have a lot of material (more than the size of a penny). You should use a solution of 35% hydrogen peroxide or stronger. For example, if you add 30 mL of hydrogen peroxide, you will need 60 mL of vinegar. Note that this reaction takes a long time, and it is not particularly effective....