cupel 的 2 个定义
- a small, cuplike, porous container, usually made of bone ash, used in assaying, as for separating gold and silver from lead.
- a receptacle or furnace bottom in which silver is refined.
cu·peled, cu·pel·ing or cu·pelled, cu·pel·ling.
- to heat or refine in a cupel.
更多cupel例句
- Before removing the piston, turn it half-way round upon its axis so as to loosen and smooth the face of the cupel.
- A conveniently sized cupel is 1-1/4 inches in diameter and about 3/4 inch high.
- The cavity of the cupel is about 1/4 inch deep, and something of the shape shown in fig. 5.
- Silver remains after cupellation in flattened elliptical buttons, adhering but only slightly to the cupel.
- Another possible source of loss is the infiltration of small particles of alloy into the cupel.