Feature(may vary by option.)
●Design for:This Precious Metal Test Stone is used to verify the gold content in items. And it use together with Acids to test silver gold and other perciouse metal.
●How to Use: Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue.
●Verify the Metals:Precious Metal Test Stone solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and platinum pure.
●Application:Precious Metal Test Stone Ideal for testing jewelry, , antique gold, silver, platinum collectibles. Suitable for jewelry making, jewelry collector and gold rusher.
●Working Principle:Precious Metal Test Stone Acid changes color based on purity. Very easy to use.
[Large]
Description
Features
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1. This touchstone is used to verify the gold content in items. 2. Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue. |
3. This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22-24K, silver, and platinum pure. |
4. Acid changes color based on purity. Very easy to use. 5. Ideal for testing jewelry, coins, antique gold, silver, platinum collectibles. |
