Put the pennies in a plastic drink container (a half gallon apple juice container works great) with a screw-on top. Does this cleaning chemistry work on other coins?ģ. White vinegar makes an awesome penny cleaner. Here are 3 copper coins straight from the dirt. Mechanical cleaning should never be done. This is a handy guide for those who find coppers with metal detectors. This safe, non toxic coin cleaner is the best way to clean your common metal detecting finds. 1 2 Next > Detecto92 Well-Known Member As with any coin cleaning, there is a right way and a wrong way. For the best results, use a toothbrush (your spouses works best) and scrub the surface lightly to work the ketchup into all the tight areas. By Daniel Bernzweig In another Learning Library article, Cleaning Your Finds, we talk about Finch’s Magic Tumble Clean. Simply grab a bottle of ketchup from the fridge and rub a little onto the penny. Will other acids (like lemon juice or orange juice) work as well?Ģ. Drawbacks: Awkward, laborious Ketchup The Ol Ketchup technique is a time-tested standard for collectors. ![]() Nickel coins can be cleaned the same way as copper. To make it a true experiment, you can try to answer these questions:ġ. There are two categories that we need to discuss and they are copper coins and silver coins. SIMPLE SOLUTIONS 1. Place one or two nuts and bolts in the vinegar and watch – they may become COPPER in color! The vinegar removed some of the copper from the pennies, if there is enough copper in the vinegar, the copper will become attracted by to the metal in the nuts and bolts and they will take on a new copper color – cool. In time the pennies will turn greenish-blue as a chemical called malachite forms on your pennies. You’re not done yet, though, lets try another experiment:Īdd more pennies to the bowl for 10 seconds, but this time, don’t rinse them off. It turns out that vinegar is an acid, and the acid in the vinegar reacts with the salt to remove what chemists call copper oxide which was making your pennies dull. There is some pretty fancy chemistry going on in that little bowl of yours. For all coins and all metals the individual application and special solution. Admire their shininess! How does it work? Take out the pennies and rinse them out in some water. Put about 5 pennies into the bowl and count to 10 slowly. Pour the vinegar into the bowl and add the salt – stir it up.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |