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https://www.superbmelt.com/how-to-identify-gold/
These include basic methods such as: Contrast Color: This is one of the easiest ways to spot fake gold. In chapter one above, the various types of gold and... Acid Test: This is a simple test that capitalizes on the reaction of gold with acid to prove its originality. All …
https://www.nbcnews.com/better/business/easy-way-tell-if-your-gold-jewelry-fake-ncna780131
Jul 08, 2017 · If it’s real gold it will not stick to the magnet. (Fun fact: Real gold is not magnetic.) Fake gold, on the other hand, will stick to the magnet. If that necklace leaps to the magnet, your ...
https://www.sbcgold.com/blog/test-gold-5-simple-ways-spot-fake-gold/
Jul 24, 2014 · 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. Fake gold will immediately turn green where the acid is. Gold-over-sterling silver will become milky in appearance.
https://www.jewelrynotes.com/how-to-test-if-gold-is-real/
In the United States, for example, pieces containing less than 58.3% gold (10 karats) are not considered gold for commercial purposes. What people usually refer to as fake gold is jewelry that is made of another metal (such as nickel, copper, silver, etc.) and covered with a layer of gold (gold plated) or with a thin gold sheet (gold filled).
https://brightside.me/inspiration-tips-and-tricks/12-useful-tips-on-how-to-spot-fake-jewelry-601610/
Sep 12, 2018 · Gold can be checked with the help of iodine. If there is a stain left on the item after the test, it is a true sign of a fake or an alloy, the composition of which has a big amount of base metals. A drop of iodine applied to platinum items will stay dark — the more saturated its color is, the higher the hallmark of the item is.
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