Testing Gold: Fire Assay and Aqua Regia Dissolving for Accurate Purity Analysis скачать в хорошем качестве

Testing Gold: Fire Assay and Aqua Regia Dissolving for Accurate Purity Analysis

Testing Gold: Methods for Fire Assay and Aqua Regia Dissolving. Testing Gold Purity with Gold Assay. This method involves testing the gold purity by using various techniques such as cupellation, acid testing, XRF testing, and fire assay. Fire assay is a widely used gold testing method and involves using a crucible, heat source, additives, and other equipment to separate the gold from other minerals. Aqua regia dissolving is another method that involves using hydrochloric and nitric acids to dissolve the gold sample, filtering it, and precipitating the gold out of solution. Gold assay is an important process that helps determine the gold purity and can be done through various methods to get accurate results.