Sterling silver wedding band style ring: 938,700 ppm Silver & 52,000 ppm Copper (+ Tin, Vanadium & Barium.)
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XRF test results for the ring pictured. This is a really good example of typical total metals content for 925-marked modern Sterling Silver. The two main ingredients in modern Sterling are Silver [usually at least 925,000 ppm — hence the “925” mark, which translates to 92.5% of the total make up of metals for the item],…