The apt chemical properties of gold, silver and the platinum group elements pose challenges in geochemical analysis. Often occurring in homogenously in geological materials, ranging from micron-sized inclusion in minerals to massive nuggets. There has been many instances of solvent digestions can succumb to adsorption with respect to gold in a process named as preg robbing. As such, industry players are looking to offer authentic and reproducible precious metal analysis by fire assay, ... Read more
