gold testing methods

  • How to Fire Assay Gold

    How to Fire Assay Gold

    The Crucible of Truth: A Comprehensive Guide to Fire Assaying Gold For centuries, when the stakes were high and absolute certainty was paramount, fire assay has stood as the gold standard for determining the precious metal content of ores, concentrates, and bullion. This rigorous and time-honored technique—steeped in alchemical tradition and refined by the precision…

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