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https://www.sbcgold.com/blog/test-gold-5-simple-ways-spot-fake-gold/
Jul 24, 2014 · Skin discoloration from wearing fake gold jewelry is not a myth. For this test, simply hold the gold in your hand for a few minutes. Perspiration on the skin creates a chemical reaction with the gold. Skin will discolor (a black or green color) if the gold isn’t real.
https://www.jewelrynotes.com/how-to-test-if-gold-is-real/
Below are some of the more reliable ways to test jewelry for gold: Acid Test. Testing gold with nitric acid is a pretty reliable way to tell how pure a gold alloy is. (Text continues below ad.) Advertisement. Advertisement. The piece being tested is scratched against a testing …
https://www.leohamel.com/blog/index.php/2018/04/how-to-test-gold-at-home/
Many jewelers use the nitric acid method to determine the authenticity of gold jewelry. Drop a small amount of nitric acid onto the piece and look for a reaction. If the jewelry is gold plated, you may have to make a tiny scratch in the metal to allow the acid to saturate the underlying metal.
https://bullionexchanges.com/learn/test-gold-real
One of the easiest methods of testing gold purity is the Skin Discoloration Test. Real gold won’t ‘stain’ or discolor your skin. However, if you are wearing fake gold jewelry or handle fake gold bullion, your skin will discolor. Just hold your gold item in your hand for a couple of minutes.
https://blog.esslinger.com/testing-gold-silver-and-precious-metals/
Jun 12, 2014 · When you want to test white gold, you can test it in two ways, non-destructively and destructively. Since most white gold is plated either with rhodium or a nickel based alloy, they will react differently than traditional gold and other metals.
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