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CUPEL - 2 reference results
Coupe
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Cupel
A cupel is a special pourous pot made of bone ash or clay, used in cupellation. It must be silica poor. Its porous nature absorbs the lead along with the metals that it bonded to itself into the matrix or the clay. The prill of silver is left on top.

References

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Coupe
Shop & Find GM Vehicles. Get Price, Offers & Quote All On One Site!
www.GM.com/ShopCoupe
Geology & Assay Supplies
Great prices and selection. Convenient online ordering.
Sponsored Results www.Lmine.com
cupel
Jan 01, 1996; cupel vessel for assaying gold and silver. XVII. — F. coupelle — late L. cūpella , dim. of cūpa (see...
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cupellation
Jan 01, 2004; cupellation A method of separating noble metals (e.g. gold or silver) from base metals (e.g. lead) by melting the mixture with a...
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test
Jan 01, 1996; test A. cupel used in treating gold and silver alloys or ore XIV (rare before XVI); B. trial, examination XVI. -OF. test pot...
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test(1)
Jan 01, 1988; Webster's NewWorld Dictionary 01-01-1988 test(1) (test) n. 1. orig., cupel (sense 1) 2. an examination, experiment, or trial, as...
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The fire test for ores.(Brief Article)
Mar 01, 2002; In making the first test of ores supposed to contain gold or silver, a quantity of the ore is pulverized until it will pass...
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