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https://www.sbcgold.com/blog/test-gold-5-simple-ways-spot-fake-gold/
Jul 24, 2014 · The Magnet Test. Genuine gold will not attract a magnet. The magnetic test is the most convenient and portable test for genuine gold, since the magnet can be carried around in your pocket. Imitation gold and other alloys will attract the magnet. Coins can appear to be gold, when in fact the surface is simply gold …
https://www.jewelrynotes.com/how-to-test-if-gold-is-real/
Real gold jewelry is made of a solid gold alloy, whose gold content is above a certain threshold. In the United States, for example, pieces containing less than 58.3% gold (10 karats) are not considered gold for commercial purposes.
https://www.wikihow.com/Test-Gold-with-Vinegar
Aug 26, 2019 · White vinegar is the most acidic vinegar, so it works the best for testing gold. It is also clear-colored, so it will show a color change the best. You’ll want to use an eyedropper to pour your vinegar so that you can control the amount that you put on your gold piece. Fill the eyedropper about halfway, or enough for a couple of drops.95%(20)
https://www.jewelrynotes.com/calculate-amount-pure-gold-in-jewelry/
The karat marks on gold jewelry are usually stamped in places that are not readily visible, and karats are denoted by the sign K or Kt. The standard karat numbers you are most likely to see are 10K, 14K, 18K, 20K, and 22K. Another common way of marking gold jewelry is by using parts-per-thousandnumbers instead of karats.
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.
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