Clean copper coins free#

You may be surprised to learn that ketchup can be used to clean copper coins. You can also use some rubbing alcohol to remove stubborn residue. This will help eliminate any Goo Gone residue left on the coin’s surface. Most of these methods work best on pennies before 1982 since they are mostly copper, new pennies are zinc.

Simply grab a bottle of ketchup from your fridge and smear a little on the penny.

Clean copper coins free#

You don’t need any fancy gadgets or science kits to clean these coins, all you need are a few household ingredients and you will have shiny new coins in less than an hour. Free & Fast Methods For Cleaning Copper Pennies 1 Ketchup for copper Yes ketchup. Once the coin is clean, wash it with soap and water. Get your copper coins out of the containers where they’ve been hiding for many years and get them cleaned. It can also be useful to industries that work with copper. A rise in distilled water, or a soak in isopropyl alcohol, or acetone, or xylene will remove surface dirt or oils without hurting the coin, a long as you do no. Try cleaning the coin surface again after a little while. This experiment is useful because you can use this information to clean copper around your household.

The Ketchup cleaned the penny almost as well, because ketchup contains salt and vinegar. Adding salt to an acid like vinegar makes hydrochloric acid which is a very powerful acid. After one hour I took the pennies out, rinsed them, and placed them on the properly labeled paper towels. My hypothesis was correct, the vinegar and salt cleaned the pennies the best because it has the most acid. Copper carbonate can be removed by a 5 solution of either citric or sulphuric acid but you need to determine of its there because the silver coin has been.

For the vinegar and salt I used 1 tablespoon of vinegar and 1/4 teaspoon of salt, and for the soap and water I used 3 drops of Dawn dishwashing soap and 1 tablespoon of water. The following methods can be used for cleaning copper coins: 1) Cleaning with Soft Erasers, a Toothpick, a Bone Stylus, and Ink eraser for large amounts of the. Which solution will clean copper pennies the best, soap and water, lemon juice, vinegar and salt, coca cola, or ketchup? If I put a copper penny in soap and water, lemon juice, vinegar and salt, coca cola, or ketchup, then vinegar and salt will clean the copper penny the best because it has the most acid.