What cleans pennies without damaging them?

Copper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange juice, because those juices are acids, too.
Takedown request   |   View complete answer on exploratorium.edu


How do you clean a penny without damaging it?

Wet the affected coin with clean tap or distilled water, roll in baking soda, then gently scrub with a soft toothbrush. Rinse the baking soda and debris off with more clean water, and repeat the steps if necessary.
Takedown request   |   View complete answer on topvegasbuyer.com


How do you clean old pennies without devaluing them?

If your coins are still dirty, you can fill the plastic container with a 1-inch layer of warm water. Next, add a squirt of dishwashing liquid and agitate the water to create bubbles. Add the coins, and rub each one until the surface looks shiny. Rinse with warm water, then dry.
Takedown request   |   View complete answer on realsimple.com


What substance gets pennies cleanest?

Vinegar and lemon juice both work really well for cleaning pennies. But, ketchup was the clear winners for our pennies, with soy sauce next, maybe with a little more time they would have gotten a little bit cleaner.
Takedown request   |   View complete answer on teachbesideme.com


Can vinegar damage pennies?

Pennies become dull over time as copper on the surface reacts with oxygen from the air. The two elements combine to form dark chemicals called copper oxides. The acetic acid in vinegar dissolves these chemicals and leaves the copper surface of the penny looking shiny.
Takedown request   |   View complete answer on parents.highlights.com


How to clean coins without damaging them



How do professionals clean coins?

Vinegar and salt

According to research professor Vinod Patel, washing coins with natural white vinegar and iodized salt in distilled water is a non destructive way of cleaning coins.
Takedown request   |   View complete answer on en.wikipedia.org


How do you make pennies shine like new?

Vinegar is a very weak acid on its own, but mixing vinegar and salt creates a slightly stronger acid that will eat away all the copper oxide, and leave you with a nice, shiny penny!
Takedown request   |   View complete answer on friscolibrary.com


What cleans pennies the fastest?

Copper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange juice, because those juices are acids, too.
Takedown request   |   View complete answer on exploratorium.edu


What kind of juice cleans pennies best?

Shake and stir each of the cups to allow the liquids to have an effect on the pennies. After 10 or so minutes, remove the pennies from the cups, dry and compare against other liquids What happens? The lemon juice cleans the pennies the best!
Takedown request   |   View complete answer on ocf.berkeley.edu


Why does ketchup clean pennies better than vinegar?

Ketchup contains vinegar, a weak acid, which breaks down the copper oxide on the surface of the penny. The salt in the ketchup goes on to add dissolved chloride ions to the mix.
Takedown request   |   View complete answer on thinkstretch.com


Does hydrogen peroxide clean pennies?

Hydrogen peroxide will dissolve the years of dirt on the coins and sterilize them. Materials needed: One bowl. Hydrogen peroxide.
Takedown request   |   View complete answer on phonesoap.com


Why does vinegar clean pennies so well?

Copper oxide dissolves in water, but it usually takes a long time. The combination of vinegar (a weak solution of acetic acid), and table salt (sodium chloride) helps to dissolve the copper oxide, and also forms the blue copper(II) ion, which is soluble in water. The penny becomes shiny again!
Takedown request   |   View complete answer on acs.org


Can you clean pennies with rubbing alcohol?

You can clean your coins without damaging them by soaking them in a bath of isopropyl alcohol and salt. When combined, these ingredients are both abrasive and acidic and will clean any built-up dirt off your coins.
Takedown request   |   View complete answer on thehealthyjournal.com


Does Toothpaste clean a penny?

Don't use toothpaste – Toothpaste is extremely abrasive. It can make your coins appear shiny, but cause significant damage to the surface. Don't use ketchup – You might have learned in science class that dipping a penny in ketchup can restore their shine.
Takedown request   |   View complete answer on doylestowngoldexchange.com


Can toothpaste clean pennies?

Other options for cleaning pennies include using toothpaste (gel types work best) on a soft cloth or even mixing some warm water with table salt to clean away any stubborn dirt that may be present—a bit more elbow grease will likely be needed, though!
Takedown request   |   View complete answer on nwmaids.com


Can soapy water clean a penny?

Soap and water won't clean the pennies because oxidation is a chemical change. Washing pennies with water is a physical change. The pennies will need a chemical reaction to make them shiny again!
Takedown request   |   View complete answer on frugalfun4boys.com


How do you clean coins quickly?

Take the coins out and sprinkle some baking soda over them; then use a soft-bristled toothbrush to brush them clean. Rinse them out thoroughly with hot water; using tongs or gloves to hold them to avoid burning your fingers. Place them on a soft, cotton towel and leave to air dry.
Takedown request   |   View complete answer on raincitymaids.com


How do you clean a lot of pennies at once?

Vinegar & Salt

Mix up a concoction of vinegar and salt. Stir it around to dissolve the salt and then dump in your dirty pennies. Mix it up a bit and let it sit for several minutes. You will be able to see the cleaning process in action.
Takedown request   |   View complete answer on pennycollector.com


How much is 10 lbs of copper pennies worth?

One modern US penny weighs 0.088 ounces. That means it would take approximately 1,818 pennies to weigh 10 pounds, which would be worth 18 dollars and 18 cents.
Takedown request   |   View complete answer on alexaanswers.amazon.com


Does vinegar make pennies shiny?

When you place the pennies in the salt and vinegar solution, the acetic acid from the vinegar dissolves the copper oxide, leaving behind shiny clean pennies. The copper from the copper oxide stays in the liquid. You could use other acids instead of vinegar, like lemon juice. Instant Verdigris!
Takedown request   |   View complete answer on redhookcentralschools.org


Does ketchup make pennies shiny?

Soak your pennies in ketchup to clean them like new. Well, after you wash the ketchup off, that is. The salt and acetic acid in vinegar do the trick. Hot sauce, like Tabasco or taco sauce, also will remove the oxides off pennies.
Takedown request   |   View complete answer on mrbondscienceguy.com


Does Coke make a penny shiny?

When the copper oxide (the pennies) and the phosphoric acid (the cola) get together in the bath, the acid reacts with the copper oxide on the pennies and dissolves it. That's why the pennies get shiny.
Takedown request   |   View complete answer on education.com


Why do coin collectors not like cleaned coins?

Most Cleaning is Destructive: It Can Literally Change the Surface of a Coin. Any cleaning that requires rubbing leaves microscopic scratches. They are not apparent to the naked eye, but a collector will see them. A collector will look for them.
Takedown request   |   View complete answer on aboutredlands.com


Is Coke good for cleaning coins?

Our cola contains phosphoric acid which is why cola is acidic. The acid reacts with the oxide rusty coating that has covered our coins and returns them back to almost as good as new.
Takedown request   |   View complete answer on sublimescience.com
Previous question
What are some gangster slang words?