Definition of Cupellation. Meaning of Cupellation. Synonyms of Cupellation

Here you will find one or more explanations in English for the word Cupellation. Also in the bottom left of the page several parts of wikipedia pages related to the word Cupellation and, of course, Cupellation synonyms and on the right images related to the word Cupellation.

Definition of Cupellation

Cupellation
Cupellation Cu`pel*la"tion (k[=u]`p[e^]l*l[=a]"sh[u^]n) n. [See Cupel.] The act or process of refining gold or silver, etc., in a cupel. Note: The process consist in exposing the cupel containing the metal to be assayed or refined to a hot blast, by which the lead, copper, tin, etc., are oxidized, dissolved, and carried down into the porous cupel, leaving the unoxidizable precious metal. If lead is not already present in the alloy it must be added before cupellation.

Meaning of Cupellation from wikipedia

- Cupellation is a refining process in metallurgy where ores or allo**** metals are treated under very high temperatures and have controlled operations to...
- ****a**** by an ****ay office. Silver is ****a**** by titration, gold by cupellation and platinum by inductively coupled plasma optical emission spectrometry...
- material often used in cupellation, a process by which precious metals (such as gold and silver) are removed from base metals. In cupellation, base metals in...
- techniques. One ancient process for extracting the silver from lead was cupellation. Lead was melted in a bone ash 'test' or 'cupel' and air blown across...
- artifacts contained less than 0.5% lead, which strongly indicates cupellation. Cupellation was also being used in parts of Europe to extract gold, silver...
- chloride produced to the metal. The situation changed with the discovery of cupellation, a technique that allowed silver metal to be extracted from its ores...
- then be recovered with cupellation. Gold can also be parted using salts or using mercury. Large scale cupellation using a cupellation hearth is also covered...
- Prior to the development of the BBOC, BRM used cupellation in a 15 tonne (“t”) reverberatory cupellation furnace to recover the precious metals from this...
- is the fire ****ay, or cupellation. As applied to gold bearing metallics, as in hallmark ****aying, it is also known as cupellation and can have an accuracy...
- smaller amounts of gold include parting and inquartation as well as cupellation, or refining methods based on the dissolution of gold in aqua regia....
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