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https://www.sbcgold.com/blog/test-gold-5-simple-ways-spot-fake-gold/
Jul 24, 2014 · All precious metals can be tested through the use of an acid test that will only harm fake materials. Genuine gold will stand up to your attempt to conduct a nitric acid test at home. Make a tiny mark on the piece of gold to penetrate the surface. Drop a small amount of liquid nitric acid on that scratch and wait for a chemical reaction.
https://www.jewelrynotes.com/how-to-test-if-gold-is-real/
If a jewelry piece is gold plated or gold filled, a deep enough scratch would reveal the metal beneath the gold surface. So, if you see any scratches under which the metal below is visible or discolored spots where the top layer has been rubbed off , this is a sign that the jewelry is just covered with gold and note made entirely of it.
https://www.youtube.com/watch?v=pzaKMePtwik
Aug 13, 2012 · Want to know if your jewelry is real gold? We'll walk you through three at-home methods you can use to verify whether your favorite pieces of jewelry are as ...Author: National Jewelry Liquidation Center
https://www.wikihow.com/Test-Gold-with-Vinegar
Aug 26, 2019 · Gold is a beautiful metal that can be found in jewelry, coins, and watches. You may have just bought a new piece and want to see if it's real, or test the genuineness of an old family heirloom. Testing gold with vinegar is a simple method...95%(20)
https://bullionexchanges.com/learn/test-gold-real
You can perform this test with gold jewelry or bullion by rubbing (or scratching) it across your material of choice. First, hold your gold in your hand. Next, carefully wipe it along the testing material. Do this firmly enough to leave a mark, but without seriously damaging your gold piece.
https://ourpastimes.com/test-gold-vinegar-5854786.html
Use the eye dropper to place two or three drops of vinegar onto the gold piece. If the piece is very small or doesn't lay flat, put the gold into a small bowl so the vinegar can stay in contact with it. Ignacio Lopez/Demand Media. Observe any changes to the gold piece.
https://www.leaf.tv/articles/how-to-test-jewelry-gold-platinum-palladium/
Wearing disposable gloves, follow the directions on the test kit. Typically, you'll rub the gold onto a piece of stone, then apply the nitric acid to the stone over the rub mark. The acid will dissolve onto the stone and completely dissipate when it’s not genuine gold. Any color change, though, indicates gold.
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