Assay Amp Certificate Of Authenticity Coa Defined
An assay is an analysis designed to measure and test the composition in ore, alloys, and precious metals. with respect to precious metals, specifically silver and gold, it is a way to make sure that all the coins or bars produced in a mint meet the correct purity standards and content.for example, if a mint promises that a gold bar has 99.9 percent purity, an assay is necessary to make sure feb 28, 2019 assay: test which determines metal content and quality. bullion: precious metals in a bulk, uncoined form such as gold bars, considered in mass rather than value. carat: not to be confused with karat in north america, a carat is a unit of measurement used for precious stones. equal to 200 milligrams. outside of north america, carat is used in the same context as karat.