We utilize expert assaying services to determine the types and quantities of different metals in an item. We use state-of-the art X-ray fluorescence analysis to determine the metal type and percent of total. We can identify elements of 26 different metals, including gold, silver, platinum, palladium, copper, zinc, cadmium, and lead among many others. Only The Bullion Bank provides the most accurate assessment of your items’ metal content thereby giving you the highest amount of money when selling gold, silver or other unwanted precious metals.