Case (16.5" x 9.5" x 7.5") contains 192 cupels.
Each Cupel will absorb approximately 87.2 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. |