Classe · NACE Rev. 2.1 / TEÁOR'25
24.41 Produção de metais preciosos
Precious metals production
As notas explicativas oficiais são apresentadas em inglês.
Esta classe compreende
- production of basic precious metals:
- production and refining of unwrought or wrought precious metals: gold, silver, platinum, etc., from ore and scrap
- production of precious metal alloys
- production of precious metal in semi-manufactured or in powder forms
- cladding of base metals with a covering of silver, gold or platinum, affixed by soldering, brazing, welding, hot-rolling or similar mechanical means
Esta classe compreende também
- manufacture of wire of precious metals by drawing
- manufacture of precious metal plates, sheets, strips and foil laminates
- silver recovery from waste and scrap by electrolytic refining
- melting and casting of precious metal into ingots, blocks or similar forms