Lot of 10 - # 8 Mabor Cupel 1-3/4"x1-1/8" Gold-Assay-Smelting-Refining-Cupels
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Product details
| Management number | 220311304 | Release Date | 2026/05/03 | List Price | $11.98 | Model Number | 220311304 | ||
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Lot of 10 CupelsEach Cupel will absorb 58 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 & 1-1/8" tallThe 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.
- You will receive 10 cupels used in the smelting of your Gold
- Each Cupel will absorb 58 grams of lead
- CUPEL DIMENSION is 1-3/4" across the top & 1-1/8" tall
| Item Weight | 1.87 pounds |
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| Manufacturer | Maybor |
| Item model number | QU-YULI-VXQ2 |
| Product Dimensions | 1.75 x 1.37 x 1.18 inches |
| Is Discontinued By Manufacturer | No |
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