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https://platinumjewelry.com/why-platinum/pure/
Purity is the game. Platinum Jewelry When you select platinum jewelry, you’re buying a product that consists of a metal that’s almost entirely pure – 90-95%. Mined from deep within the Earth and transformed for jewelry use with a minimum of other ingredients, platinum’s luster, strength and …
https://platinumjewelry.com/metal-matters/
With a high concentration of platinum in its alloys—the term used to indicate mixtures of precious metals used in manufacturing—platinum is known for its ability to withstand daily wear without thinning. That’s why it’s the industry standard for a diamond’s setting. A Platinum crown ensures that a diamond …
https://www.brilliance.com/education/metals/platinum
Often heralded as just as beautiful as the gems it displays, platinum boasts a silvery-white luster that imparts unmistakable elegance and blends well with a variety of metals and stones. Four times stronger than gold, platinum is renowned for its hard-wearing properties, resistance to damage and wear, and its …Estimated Reading Time: 4 mins
https://www.consumer.ftc.gov/articles/platinum-gold-and-silver-jewelry
Platinum Jewelry Platinum jewelry is rarely made with 100% pure platinum. Instead, platinum is mixed with similar metals or non-precious base metals. Generally, jewelry with a higher percentage of pure platinum is worth more.
https://www.bluenile.com/education/metal/platinum
Platinum jewelry is very rare; in fact, 30 times more so than gold. Our platinum is 95% pure (5% iridium, palladium, ruthenium, and other alloys), and its purity makes it naturally hypoallergenic, ideal for those with sensitive skin issues. How to Maintain Platinum's Metal Luster
https://www.ganoksin.com/article/platinum-alloy-applications-for-jewelry/
The ideal composition for a Pt/lr system has been the 900/100 alloy. It was called Irido-platinum in the 20s and is to this day a very important alloy. P/lr 900/100 has been the “work-horse” of alloys in the U.S.
https://www.gemsociety.org/article/jewelry-metals-overview/
May 07, 2020 · Chemically, noble metals resist oxidation and corrosion in moist air. They also possess varying degrees of resistance to acids. This group includes the following elements: ruthenium, rhodium, palladium, osmium, iridium, gold, silver, and platinum.Gold Color: Alloys
https://www.silverrecyclers.com/blog/950-platinum.aspx
The number 950 refers to its level of purity, and it means that your item is 95% platinum and 5% alloy. This number system is an easy way to tell an item's purity. Another example is 900 platinum which is equal to 90% platinum. The alloy used with platinum is typically either copper, rhodium, titanium, palladium, cobalt, or iridium.
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