Fire Assaying
Fire assaying is an important method in precious metals purification. Fire assaying is the quantitative determination in which a metal or metals are separated from impurities by fusion processes and weighed in order to determine the amount present in the original sample. Gold Stock Corp. provides this service with full accuracy and reliability.
Metals recovered in fire assaying are the metals that emerge from the fusion of the material in an assay furnace. For example, fire assaying of gold is usually done at temperatures of about 2,000 degrees F. The fire assay method is centuries old, but it is still one of the most reliable methods for performing assays (to determine the metal content of an ore) of ores that contain precious (noble) metals—gold, silver, and platinum.
Ore from the mine or exploration sampling program is scientifically sampled using a statistically accurate method fitting the desired accuracy; it is then prepared by crushing, splitting, and pulverizing. This is a process referred to as sample preparation.
At Gold Stock Corp., we use the latest laboratory equipment and approved methodology to carry out accurate fire assaying. Whether you're testing jewelry, coins, bullion, or gold scraps, our skilled assay professionals promise clear and comprehensive results. Before selling, trading, or keeping your precious metals, be sure to confirm their actual purity and value with Gold Stock Corp.