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Record 1 1983-08-23

English

Subject field(s)
  • Precious Metals (Metallurgy)
DEF

In the recovery of precious metals, the separation of silver from gold.

DEF

The final process after cupellation to remove the silver from the bullion bead.

French

Domaine(s)
  • Métaux précieux (Métallurgie)
OBS

Enlevé périodiquement, l'alliage enrichi sera coulé en lingots et traité par distillation (1 400 °C); les produits volatilisés: zinc et poudre bleue sont réutilisés ou retraités, le plomb enrichi et les crasses sont coupellés; on obtient un doré qu'on sépare électrolytiquement en argent et en or et des scories qui seront réincorporées dans le lit de fusion du water-jacket.

Spanish

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