11. Cupellation works by exposing the mixture at high temperature to air or oxygen.12. They are the most common archaeological evidence of cupellation in the Early Bronze Age. 13. The cupellation process finishes when the silver is about 99.7 % pure. 14. Until 1990, BHAS recovered silver in a two-stage reverberatory cupellation process. 15. In addition, cupellation , developed in the 8th century, was more often used. 16. The silver was obtained through the cupellation of lead, carried out in some houses. 17. This process is known as cupellation . 18. Cupellation is still in use today.19. From the presence of lead in silver artefacts, archaeologists suggest that cupellation may have occurred there. 20. A primary use of cupellation was related to minting activities, and it was also used in testing jewelry.
