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cupel

/ˈkjuː.pəl/

翻译: 一种小型多孔坩埚,通常由骨灰制成,用于灰吹法(烤钵冶金法)中,将金、银等贵金属与铅等贱金属分离。

1 个条目

noun

/ˈkjuː.pəl/C2formaltechnical
  • zh一种小型多孔坩埚,通常由骨灰制成,用于灰吹法(烤钵冶金法)中,将金、银等贵金属与铅等贱金属分离。

A small, porous bowl, typically made from bone ash, used in the assaying process to separate precious metals like gold or silver from base metals such as lead.

  1. Assaying vesselC2formalscientific

    A small, porous cup made of bone ash or similar material, used in the process of cupellation to separate precious metals like gold and silver from base metals such as lead.

    zh灰皿

    • The assayer placed the lead button containing the gold into the heated cupel.
    • Bone ash cupels are essential for accurate fire assay analysis.
    • The impurities were absorbed by the porous cupel, leaving a pure silver bead.

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词形
  • cupels plural form
  • cupels' possessive plural form
  • cupel's possessive singular form