United Precious Metal Refining

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Melt & Sample
Your gold lot then moves into our secure induction melting facility to be processed. Once there, the gold is melted until it is in a homogenous molten form at which point pin samples are pulled from the core. Three pins are pulled from the lot and taken to our analytical laboratory to be analyzed.

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#Analytical #Testing
Once the samples are brought to the lab, a Fire Assay is conducted on your pin samples. This test is typically done in triplicate to ensure the most accurate results ensuring minimal variance between each test. The Fire Assay is the oldest and most trusted method of testing for fine gold content and is commonly used in precious metal refiners.

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United is the largest US-owned full service primary refiner for #gold, #silver, #platinum, and #palladium in the nation. We specialize in refining for the jewelry industry, processing everything from gold scraps to polishing sweeps and other jewelry manufacturing byproducts.

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