Sentence Examples

  • If the button is too large for cupellation, or if it is hard, it may be scorified either alone or mixed with test lead before cupellation.
  • Under the most favourable conditions there is a slight loss of gold and silver in the fusion, the scorification and the cupellation, both by absorption in the slag and by actual volatilization and absorption in the cupel.
  • The process of cupellation is briefly as follows: - The gold alloy is fused with a quantity of lead, and a little silver if silver is already present.
  • Cupellation brings up the gold to about 900 fine.
  • Thus, while cupellation still furnishes the only means for the final separation of lead and silver, it has become an auxiliary process to the two methods of concentration given.

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Words near cupellation in the dictionary