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https://www.mgsrefining.com/blog/2020/11/25/how-to-test-for-platinum/
Nov 25, 2020 · Even before any precious metal testing, there are a couple of ways to tell if a metal is platinum. The first way is to use visual cues. Pure platinum jewelry, or …Estimated Reading Time: 3 mins
https://blog.esslinger.com/how-to-test-for-platinum/
Jun 12, 2014 · Apply a drop of your platinum testing acid across the streak on your testing stone. Note: If you will not be testing platinum often, you can use 22 karat gold acid to test for platinum. However, if you plan to be testing platinum with any sort of regularity, you will want to invest in a platinum testing …
https://www.leaf.tv/articles/how-to-test-jewelry-gold-platinum-palladium/
To test for platinum, use a magnet. This is the simplest way to test platinum jewelry without causative acids. If the magnet sticks, there is iron in the piece, and the piece is not pure.
https://www.youtube.com/watch?v=i6JQZGSyzuk
Apr 06, 2009 · Testing for platinum by putting it in hydrogen peroxide. Platinum acts as a catalyst which reacts with the hydrogen peroxide releasing oxygen. If it bubbles ...Author: Francis Simon
https://www.specialtymetals.com/blog/2016/6/9/how-to-recognize-platinum-when-you-see-it
Jun 09, 2016 · Platinum might be a “modern” metal, but has been used to make jewelry – and cigarette cases and other items – for many years. Not Sure What You Have? Send It to Us for Testing If you have a silver-toned item that could be made of platinum, call us at 800-426-2344 and ask us to test it for you.Estimated Reading Time: 2 mins
https://www.quicktest.co.uk/testing_white_metals.htm
ELECTRONIC TESTERS Most of the low-cost (under £500.00) electronic gold testers also (supposedly) test for platinum.
https://www.leaf.tv/articles/how-to-identify-a-platinum-ring/
Metal test kits use acid to check for the existence of platinum. Rub the ring on a test stone, and add a drop of acid to the metal streak on the stone. Notice the reaction time of the drop of acid. Unlike many metals, platinum is stable in its chemical makeup and will not react immediately to the acid drops.
https://blog.esslinger.com/how-to-test-for-palladium/
Jun 12, 2014 · Like platinum, palladium is another high quality white colored precious metal used for jewelry. If someone brings in some metal to sell and calls it palladium, you can test it in much the same way you would test gold to be sure that it is what they claim it is before buying it.
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