Platinum - Wikipedia
Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name is derived from the Spanish term platino, meaning "little silver".4 Ways to Identify Platinum and Silver Jewelry - wikiHow,May 14, 2018 · How to Identify Platinum and Silver Jewelry. In this Article: Article Summary Examining Your Jewelry Using an Acid Scratch Testing Kit Using a Testing Solution Directly on Silver Testing Jewelry with Hydrogen Peroxide Community Q&A. To the untrained eye, platinum, silver, and sterling silver may appear very similar at first glance.New cost-slashing platinum technology gaining impressive,,The lack of power capacity in Zimbabwe and high cost of establishing smelters and refineries is taken care of by Kell, which uses less than a fifth of the power required for smelting and refines the platinum group metals (PGMs) as part of the process.