Description: Lot of 8 Cupels Each Cupel will absorb 69.2 grams of lead. Cupels are made from high quality dead burnt magnesia (MgO). Hard, smooth surface with consistency in weight and size. Provide exceptional results in gold mines, precious metal refiners, alloy melters, hallmarking, geological and test laboratories worldwide. CUPEL DIMENSION is 1-3/4" across the top & 1-7/16" tall The lead button for cupellation is typically generated in the crucible fusion from the fire assay process, but can also be produced by a scorification assay, or a bullion assay where the precious metal is wrapped in lead foil. Typical cupellation furnace temperatures in gold and silver assays are 1650-1700F, but can vary with technique, air flow volume, and cupel material. Lot of 8 Cupels Each Cupel will absorb 69.2 grams of lead
Price: 51.87 USD
Location: Los Angeles, California
End Time: 2024-12-21T09:51:15.000Z
Shipping Cost: 0 USD
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Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
EAN: 0613825987533
ISBN: 0613825987533
Package Dimensions LxWxH: 12.99x2.32x2.32 Inches
Weight: 1.85 Pounds
Type: Does not apply
Brand: Make Your Own Gold Bars
