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I know you will get a reaction from either silver or gold if they come in contact with either acid, although off the top of my head i don't recall what color . Acid test kit gold 10k 14k 18k 22k silver platinum testing stone jewelers tool : If the metal is gold plated, the base metal under . Pen gold silver platinum palladium tester patented by, pin on hollywood, how flame test colors are produced, the verigold product range, 3 ways to tell gold . It is as hard as the file) the metal is not gold or silver, no other test is necessary.
Using testing acids requires a steady hand and good eyesight,.
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You need to purchase a gold testing acid kit (for each karat), a black gold testing stone, .
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