cupel

[kyoo-puh l]

cupel Definition

• 1. a small, shallow dish made of bone ash or a similar substance, used for assaying precious metals
• 2. to refine or purify (a metal) in a cupel

Using cupel: Examples

Take a moment to familiarize yourself with how "cupel" can be used in various situations through the following examples!

• Example

  The gold was assayed in a cupel to determine its purity.

• Example

  The silver was cupelled to remove impurities.

cupel Synonyms and Antonyms

Synonyms for cupel

• assay
• test
• purify
• refine

Phrases with cupel

• cupel furnace

  a furnace used for cupellation

  Example

  The cupel furnace was used to refine the gold.

• cupellation

  the process of refining a metal in a cupel

  Example

  The cupellation process was used to purify the silver.

• cupel test

  a test to determine the purity of a metal by heating it in a cupel and observing the amount of impurities left behind

  Example

  The cupel test showed that the gold was 99.9% pure.

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Summary: cupel in Brief

'Cupel' [kyoo-puh l] is a noun and a verb that refers to a small, shallow dish made of bone ash or a similar substance, used for assaying precious metals, or to refine or purify a metal in a cupel. It is often used in phrases like 'cupel furnace,' 'cupellation,' and 'cupel test.'