If youre a contractor or plumber that has a lot of copper piping from plumbing fixtures, if you can cut the brass fittings and tin solder off from the ends of the copper tubing, you will be able to make more money on it.
It depends somewhat on what is in the brass. But if its just zinc and copper, you can dissolve the brass in hydrochloric acid with air bubbled through it and precipitate the copper by reduction with ascorbic acid .
Different processes, such as cementation, can be used to remove and separate Cu 2+ from different solutions and from leach solutions. The aim of this work is to recover and separate metal values such as zinc and copper from brass by applying a hydrometallurgical method using sulfuric acid as the leaching agent.
Extracting Copper From Brass by Selective Electrodeposition Step 1: Gather Your Materials. Step 2: Mix the Acid. Mix the water and acid in a ratio of 1:1 by volume in a well ventilated area. This step is just to... Step 3: Hook Everything Up. Attach the brass electrode to the positive ...
Step 1, Clean the metal if necessary. Both brass and copper develop a patina with age, usually green but sometimes other colors.1 X Research source If none of the original metal is visible, try brass cleaning techniques. These typically work for both metals, but to be safe you could use a commercial brass and copper cleaning product.Step 2, Hold the metal under white light. If the metal is highly polished, you may see false colors due to reflected light.2 X Research source Look at it in ...