How To Oxidize Copper Wire

How To Oxidize Copper Wire – Here’s an old ham radio trick for cleaning old and corroded welding wires. Hard to find this technique anywhere! I’m Ham, NH7ZE, from my Elmer (mentor). I’m passing. Hope it helps someone who needs to clean their wires 😛 Please vote!

Usually, if you strip the wire and it’s corroded, you won’t be able to get it back to its shiny new conductive properties. Scratches and scratches come to mind, but you’ll never achieve the smoothness that can be soldered long ago. After a long, long time of working and agonizing over the corroded wires, you find that the sweat from your palms and fingers corrodes the copper wires again! ! ! ! Oh God. Do not worry! ! ! ! ! Pat yourself on the back because what you’re getting out of your little trick now will have all the corroded copper wires running around in terror! ! ! ! Here’s how to clean corroded wire in 30 seconds without touching it! What’s more, you can even solder it! ! !

How To Oxidize Copper Wire

How To Oxidize Copper Wire

This process uses two solutions, common table salt and vinegar. Any type of vinegar will work, from balsamic to rice vinegar to white vinegar. What you want is the acidity and corrosiveness of the salt and vinegar. Another solution is sodium bicarbonate or baking soda and water. This is used to neutralize the corrosiveness of other solutions and further clean the wires.

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Step 2: Take 2 containers, one for each solution. It can be paper cups, plastic, glass, bowls, anything you can find. I have the vials because I am a professional electronics installer and use these solutions in the field.

How To Oxidize Copper Wire

Step 3: Take 1 tablespoon of raw salt and put it in one of the bowls. Fill the rest of the bowl with vinegar and mix both. As a general rule, add as much salt as possible to the vinegar to dissolve it.

Step 4: Take 1 tablespoon of sodium bicarbonate (baking soda) and add it to another bowl. Add the rest to the water and mix well. Add more baking soda to thicken. The amount used is not important, as long as it can compensate for the alkalinity of the acid in the vinegar solution.

How To Oxidize Copper Wire

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Step Five: Place the bare end of the wire in the vinegar solution and stir the solution with the wire. Any wire you clean must be in the solution. Moving the wire through the liquid speeds up the process.

Step 6: After about 2 minutes, the wire will look very shiny and new in the vinegar solution. The acids and salts in the solution will corrode the oxide, exposing the bare metal. Make sure the metal shines evenly. If the whole thing is not completely clean, leave it longer.

How To Oxidize Copper Wire

Step 7: Once the wire is completely clean, remove the wire from the vinegar and dip it in a baking soda solution to neutralize the corrosiveness of the acid. If the wire is exposed to air without first neutralizing the acid, it will corrode again very quickly. Baking soda keeps it clean and shiny. Swirl the wire in the baking soda water for about 10 seconds and you’re done! ! Shiny new wires ready to solder and conducting again! ! Both of these colors are caused by the oxidation of copper as it reacts with the elements in the environment. Green oxidation is common when pool chlorine is stored in the same room as electrical equipment and with minimal ventilation, forming copper sulfide or hydrated copper sulfate. The example above is a close-up of the service connection on the switchboard in the pool equipment room, where the pool chemicals are stored.

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Normal oxidation gradually darkens copper over time, which can be seen as copper plumbing ages. But overheated copper wire can develop a dark gray to black oxidized patina on the exposed surface of the wire, similar to what happens to an overheated copper pan on the stove. Overheating can be caused by excessive current in the wires or a lightning strike, and is usually accompanied by melting or discoloration of the insulation near the wire connections.

How To Oxidize Copper Wire

Over time, high humidity in the air combined with water ingress into the panel box can also cause an uneven green patina to appear on the bare copper wires. The ones we see most often are older mobile home service panels that mount to posts next to the house and have accumulated rust holes and open punch holes.

In a recent incident in a Florida village, charging a golf cart battery pack in a small garage released hydrogen and hydrogen sulfide into the air, setting off carbon monoxide alarms (they are also sensitive to high concentrations of hydrogen) and sending firefighters Another example of a pollutant environment that blackens nearby copper wires.

How To Oxidize Copper Wire

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Defective “Chinese” plasterboard imported at the height of the 2006 construction boom was another source of ferrous copper. It gave off a distinct smell of sulfur, which was a secondary indicator that defective drywall was the cause of the problem.

Then there’s the blackened copper on the switch terminals, caused by someone obsessively adding a thin layer of black antioxidant paste to all the switch terminals, even though it’s only needed for the aluminum wire. Look at this carefully.

How To Oxidize Copper Wire

Unfortunately, sometimes it’s just a mystery. Hydrogen sulfide in a sewer gas leak in a power line area is an example of a possible cause, if this was a one-time event long ago, it would be impossible to discern. Fortunately, copper oxide is still a good conductor, while aluminum oxide is not.

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How To Oxidize Copper Wire

• Can I just put a wire nut on the end of unused or discarded NM cable or wiring?

Visit our electrical page for other relevant blog posts on this topic, or visit the index for a complete list of all our articles.

How To Oxidize Copper Wire

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Buying a home in North / Central Florida? See our rates for ateam inspections by two FL licensed contractors and inspectors. Over 8,500 inspections have been completed over 20 years. to rush? We will do it for you. Copper oxidation is a natural process. Copper is an element that belongs to the group of metals and occupies the 29th place in Mendeleev’s periodic system of elements. Copper, like all other metals, is capable of oxidation, forming stable bonds in the form of oxides and salts. To understand what copper oxide is, look at an ancient bronze statue that has stood for many years. The statue will have a greenish tint because the copper in the bronze has oxidized. The new bronze statue will be brick-colored, but due to humid air and carbon dioxide, the following reactions will occur over time:

How To Oxidize Copper Wire

There are many ways to oxidize copper products. Industrially, copper oxide is produced by anodizing using electrodes. This method requires special equipment and is a complex and expensive process. It is much simpler to oxidize at home.

Aluminum Vs. Copper Wiring

To fully understand what copper oxidation is, we can do an experiment. It is not difficult to make copper oxide at home. We need the following:

How To Oxidize Copper Wire

So, we hold one side of the copper wire with pliers and heat the free end of the copper wire in the flame of the burner. Due to the high burning temperature, the wire will turn black over time. During a chemical reaction, copper turns into copper oxide:

Then we put the copper wire in the hydrochloric acid solution. We immediately see that the solution changes from colorless to turquoise. This color is characteristic of the copper chloride formed during the reaction:

How To Oxidize Copper Wire

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Black copper wires were also reduced with ethanol. Throw it in a bottle of ethanol and copper objects will turn gold again. Thus, ethanol is oxidized to acetaldehyde due to complex chemical reactions. Click here for amazing experiments with copper.

In order to return the darkened copper wire to its original color, we can also use a powder in the form of ammonium chloride.

How To Oxidize Copper Wire

We place a hot copper wire at the bottom of an earthen vessel containing ammonium chloride (NH4Cl). As a result of the reaction, ammonia gas is released, and the blackened copper wire turns gold again.

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During chemical experiments, you should follow safety rules when using gas or alcohol burners and corrosive substances such as hydrochloric acid.

How To Oxidize Copper Wire

Dozens of experiments you can do at home One of the most exciting and ambitious home chemistry tutorials

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