Analysis of precious metals in jewelry

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Courtesy of Xenemetrix Ltd.

Abstract

For thousands of years, man learned the craft of making jewelry from gold. Gold is a noble metal which does not react with the air and has a shiny yellow color.Over the years, alloying of the gold was necessary to improve its properties since pure gold is too soft to be used for jewelry. Alloying of the gold is usually by low-cost metals such as copper, zinc, silver or nickel. Since different metals have different financial value, which determines the value of the jewelry, it is important to accurately assess the different metals in the jewelry. The aim of this paper is to supply a solution for non destructive method for analysis of metallic content in jewelry.

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