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https://blog.esslinger.com/how-to-test-for-palladium/
Jun 12, 2014 · Be aware that you can use either 18 or 22 karat gold testing acid to test for palladium, but we recommend you use 22 karat testing acid because it will give you the clearest results. Step 3 Observe the reaction of the streak to the acid. If the metal has palladium content, it will very slowly turn a yellowish green color.
https://firstnationalbullion.com/ways-to-find-out-if-palladium-is-fake-or-real/
May 14, 2020 · Recently, there have been cases of unscrupulous retailers attempting to pass off copper jewelry that has been thinly plated in silver as palladium. Nitric acid can be used to perform a quick test to differentiate between palladium and silver. Palladium won’t react to nitric acid, whereas silver will oxidize and turn a light brown color.Estimated Reading Time: 4 mins
https://www.youtube.com/watch?v=T0avlPOadCY
Jun 03, 2016 · To test if Palladium is real put a drop of 22 acid test onto your mark. If the mark turns yellowish green it's real Palladium. If it does not change colors...
https://www.leaf.tv/articles/how-to-test-jewelry-gold-platinum-palladium/
To test palladium, first make sure your piece is not platinum. Weigh the piece—this is the easiest way to determine that palladium is not platinum. Most palladium is lighter than platinum. Pure palladium is rare in vintage jewelry because it was used only as a filler metal for other jewelry.
https://www.youtube.com/watch?v=2ficnUcTEVs
Dec 15, 2017 · This is the simplest way of distinguishing Paladium and Silver, since they are difficult to distinguish by color and weight.
https://blog.esslinger.com/testing-gold-silver-and-precious-metals/
Jun 12, 2014 · There are three ways to test the metal obtained from destructive testing: Acid placed directly onto the item Testing metal shavings taken from filings from the item And using an open area from the item to rub onto the testing stone
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