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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 · Once you have ruled out steel and iron, take the item and scratch it along the surface of the stone like you would with any piece of gold. Make sure that you have a thick and visible deposit line that you can test accurately and is about 1 inch long. Step 3. Apply a drop of your platinum testing acid across the streak on your testing stone.
https://www.amazon.com/Silver-Platinum-Testing-Stone-Jewelers/dp/B000OVHWLK
6 New Jewelry PuriTEST Testing Solutions. This is a new set of 6 testing solutions. Everything you need to appraise 10k, 14k, 18k, 22k, silver and platinum.4.5/5(1.1K)
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.quicktest.co.uk/testing_white_metals.htm
Most of the low-cost (under £500.00) electronic gold testers also (supposedly) test for platinum.
https://www.leaf.tv/articles/how-to-test-jewelry-gold-platinum-palladium/
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. Other tests for platinum are the scratch-test method (similar to the one for gold); a melting-point test that looks for tarnish when flame is applied to the metal; and a density test, which involves weighing the platinum.
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