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Substance Name: Black metal, copper electrolytic slime smelting
RN: 67711-97-1


  • TSCA Definition 2018: Slimes from electrolytic cells are smelted in a cupel, producing "black" metal and a slag. The "black" metal contains silver as a major constituent with significant amounts of tellurium and selenium and minor amounts of copper, gold and other metals.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

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Names and Synonyms


  • Blackmetal
  • Copper matte from slimes smelting
  • EINECS 266-974-6

Systematic Name

  • Black metal, copper electrolytic slime smelting

Registry Numbers

CAS Registry Number

  • 67711-97-1

System Generated Number

  • 0067711971